Dental Assisting Exam Preparation Guide
Course Introduction
Dental Assisting is an essential course designed to introduce students to the fundamental principles and practical skills necessary for supporting dental practitioners in clinical and administrative settings. The course covers topics such as dental anatomy, instrument identification, infection control procedures, chairside assisting techniques, patient management, and basic laboratory tasks. Students will also gain knowledge in taking dental radiographs, maintaining dental records, and understanding ethical and legal considerations in dental practice, preparing them to contribute effectively as valuable members of the dental healthcare team.
Recommended Textbook
Modern Dental Assisting 10th Edition by Doni L. Bird
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64 Chapters
2493 Verified Questions
2493 Flashcards
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Chapter 1: History of Dentistry
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Sample Questions
Q1) Which are examples of early oral hygiene aids?
A)Wooden sticks
B)Animal-hair bristle brushes
C)Tree twigs
D)All of the above
Answer: D
Q2) The first dental school was established by:
A)Horace Hayden and Chapin Harris.
B)Wilhelm Conrad Roentgen.
C)Robert Tanner Freeman.
D)Hazel Torres and Ann Ehrlich.
Answer: A
Q3) Who originated the title of "surgeon dentist" and dispelled the theory that tooth decay was caused by tooth worms?
A)Pierre Fauchard
B)Claudius Galen
C)John Baker
D)Leonardo da Vinci
Answer: A
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Page 3
Chapter 2: The Professional Dental Assistant
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Sample Questions
Q1) The duties an EFDA can perform will vary according to:
A)state.
B)office.
C)personal ability.
D)all of the above.
Answer: D
Q2) In addition to working in a dental office,a dental assistant may find employment opportunities in:
A)dental product sales.
B)teaching dental assisting.
C)processing insurance claims.
D)any of the above.
Answer: D
Q3) The organization that represents the dental assisting profession is:
A)the American Dental Assistants Association.
B)the National Dental Assistant Society.
C)Dental Assistants United.
D)Dental Assistants of America.
Answer: A
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Page 4
Chapter 3: The Dental Healthcare Team
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Sample Questions
Q1) A duty that may not be delegated to a dental hygienist in most states is:
A)removing deposits on teeth.
B)placing sealants.
C)providing restorative treatment.
D)administering local anesthesia.
Answer: C
Q2) The dental specialty that is concerned with the restoration and replacement of natural teeth and tissues is:
A)orthodontics.
B)periodontics.
C)endodontics.
D)prosthodontics.
Answer: D
Q3) The sterilization assistant is responsible for:
A)processing all instruments and managing biohazard waste.
B)completing the written prescription for dental laboratory work.
C)placing topical fluoride and dental sealants.
D)vacuuming the carpets.
Answer: A
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Page 5
Chapter 4: Dental Ethics
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Sample Questions
Q1) If a dentist extracts healthy teeth on the request of the patient,the dentist is:
A)ethical under autonomy.
B)unethical under autonomy.
C)ethical under "do no harm."
D)unethical under "do no harm."
Q2) Volunteering to give oral hygiene instructions to preschoolers is an example of:
A)regard for justice.
B)promotion of well-being.
C)confidentiality.
D)veracity.
Q3) Ethics deals with:
A)legal issues.
B)absolutes of right and wrong with no gray areas.
C)issues that are subject to individual interpretation.
D)issues of little importance to dental healthcare, because ethical principles are well defined by the courts.
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6
Chapter 5: Dentistry and the Law
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Sample Questions
Q1) Which of the following would be considered competent to agree to an expressed contract?
A)Mentally incompetent person
B)Patient who has taken a sedative
C)Parent
D)Sixteen year old
Q2) _______ is granted from criminal or civil liability for reporting abuse as required in states that legally mandate the reporting of child,spousal,or elder abuse.
A)Reciprocity
B)Immunity
C)Res gestae
D)Res ipsa loquitur
Q3) Abandonment could be charged if the dentist:
A)leaves for a weekend without making arrangements for patient care.
B)makes arrangements for another dentist to provide patient care in his or her absence.
C)goes on a last-minute vacation and forwards his calls to an answering service.
D)decides to move his practice to another state in 90 days.
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Chapter 6: General Anatomy
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Sample Questions
Q1) The tissue that transports nutrients and oxygen to body cells and carries away waste products is the ______ tissue.
A)neuronal
B)vascular
C)cardiac
D)dense fibrous
Q2) Adult stem cells:
A)are also referred to as blastocysts.
B)are the same as embryonic stem cells.
C)can be found in the pulp of the teeth.
D)are grown from fertilized eggs in a test tube used for research purposes.
Q3) The scientific study of the shape and structure of the body is:
A)biology.
B)physiology.
C)anatomy.
D)pathology.
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Page 8
Chapter 7: General Physiology
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Q1) The stomach is part of what body system?
A)Respiratory
B)Endocrine
C)Digestive
D)Urinary
Q2) The component of the lymphatic system that is responsible for fighting diseases by producing antibodies is the:
A)lymph vessels.
B)lymph nodes.
C)lymph fluid.
D)lymphoid organs.
Q3) The more fixed attachment of the muscle that is toward the midline is referred to as the:
A)origin.
B)insertion.
C)contraction.
Q4) Toxic shock syndrome is a disorder of which body system?
A)Female reproductive
B)Urinary
C)Lymphatic
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Chapter 8: Oral Embryology and Histology
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Sample Questions
Q1) Every tooth is divided into:
A)enamel and dentin.
B)crown and root.
C)clinical crown and anatomic crown.
D)cementum and root.
Q2) Variations in the shades or coloring of enamel are caused by _____ the enamel.
A)differences in the thickness of B)translucency of C)color of the dentin beneath D)all of the above
Q3) The portion of the tooth that is covered with enamel is the: A)root.
B)clinical crown.
C)anatomic crown.
D)cementum.
Q4) The basic shape and size of each tooth is established during the process of: A)initiation.
B)proliferation.
C)histodifferentiation.
D)morphodifferentiation.
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Chapter 9: Head and Neck Anatomy
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Sample Questions
Q1) Which statement is true of the parotid salivary gland?
A)The parotid gland is the second largest of the major salivary glands.
B)The parotid gland is located in the buccal, lingual, and labial mucosa.
C)The parotid gland produces approximately 25% of the total volume of saliva.
D)The parotid gland empties into the mouth through the Wharton's duct.
Q2) Which blood vessel provides the major blood supply to the face and mouth?
A)Aorta
B)Internal carotid artery
C)External carotid artery
D)External jugular
Q3) The second phase in mouth opening and movement of the temporomandibular joint is:
A)gliding.
B)sliding.
C)opening.
D)hinge action.
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11
Chapter 10: Landmarks of the Face and Oral Cavity
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Sample Questions
Q1) The primary tastes that create all flavors of food are:
A)salty.
B)sweet and sour.
C)bitter.
D)all of the above.
Q2) The functions of the tongue include:
A)speaking.
B)cleansing the oral cavity.
C)positioning food while eating.
D)all of the above.
Q3) Which of the following provide the sense of touch for the tongue?
A)Fungiform papillae
B)Filiform papillae
C)Vallate papillae
D)Both a and c
Q4) The area inside of the dental arches is considered to be the:
A)buccal vestibule.
B)isthmus of fauces.
C)faucial pillar.
D)oral cavity.
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Chapter 11: Overview of the Dentitions
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Sample Questions
Q1) The natural teeth in the dental arch are the:
A)deciduous.
B)dentition.
C)embrasure.
D)succedaneous.
Q2) Which of the following is true of the Palmer Notation System (PNS)?
A)The permanent teeth are numbered from 1 to 32. Numbering begins with the upper-right third molar, works around to the upper-left third molar, drops to the lower-left third molar, and works around to the lower-right third molar.
B)The first digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with numbering from the midline to the posterior.
C)The First digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with numbering from the midline to the posterior.
D)Each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line.
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13
Chapter 12: Tooth Morphology
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Sample Questions
Q1) The cusp of Carabelli is found on the:
A)premolars.
B)central incisors.
C)maxillary first molars.
D)maxillary second molars.
Q2) Most maxillary first premolars are considered to be ______ because they have a root that is divided into two roots.
A)succedaneous
B)bifurcated
C)trifurcated
D)bicanineate
Q3) Canines are also referred to as:
A)wisdom teeth.
B)eyeteeth.
C)cuspids.
D)both b and c.
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Chapter 13: Dental Caries
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Sample Questions
Q1) New restorative materials help reduce recurrent decay by bonding to the tooth surface and releasing fluoride.
A)True
B)False
Q2) The caries process requires a susceptible tooth,a diet rich in _____ and _____.
A)fermentable carbohydrates; specific bacteria
B)fermentable carbohydrates; any bacteria
C)fats; specific bacteria
D)acidic food; poor oral hygiene
Q3) The presence of lactobacilli (LB) in a patient's mouth indicates that the patient:
A)is diabetic.
B)has a high sugar intake.
C)has a low sugar intake.
D)cannot tolerate milk-containing products.
Q4) Dental decay is:
A)a communicable bacterial infection.
B)a disease that affects older adults.
C)the most common chronic childhood disease.
D)all of the above.
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Chapter 14: Periodontal Disease
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Sample Questions
Q1) Which of the following is NOT a characteristic of aggressive periodontitis?
A)Is most prevalent in adults, and severity increases with age
B)Occurs before 35 years of age
C)Is a rapidly progressive form of periodontitis
D)Is not generally associated with other systemic diseases
Q2) Tissue recession is associated with gingivitis.
A)True
B)False
Q3) Perioscopy uses:
A)a miniature camera attached to a tiny probe that is placed into the sulcus.
B)time-release antibiotic spheres delivered in a mouth tray.
C)a surgical microscope with use of gingival retraction cord.
D)reflection of tissue and treatment of root surfaces with fibronectin.
Q4) An individual patient's response to oral bacteria and periodontal treatment is constant and predictable.
A)True
B)False
Q5) An individual with chronic periodontal disease is more prone to pneumonia.
A)True
B)False
Page 16
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Chapter 15: Preventive Dentistry
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Sample Questions
Q1) Patients should be cautioned about abnormal _____ of tooth structure over time,caused by vigorously scrubbing the teeth with any toothbrush.
A)attrition
B)abrasion
C)erosion
D)abfraction
Q2) Fluoride that is ingested in water,food,beverages,or supplements is known as:
A)topical fluoride.
B)ingested fluoride.
C)systemic fluoride.
D)fluoride gel.
Q3) When analyzing a patient's food diary,the habit of least concern would be frequent use of:
A)diet soft drinks.
B)raisins and fruit juices.
C)oranges and apples.
D)soft drinks or beer.
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Chapter 16: Nutrition
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Sample Questions
Q1) A dietary analysis can best be made from:
A)having the patient keep a three- to seven-day diet diary.
B)asking the patient about dietary habits.
C)reviewing the patient records.
D)calling the physician.
Q2) A well-balanced mixture of all eight essential amino acids can be found in a:
A)lipid.
B)partially complete protein.
C)complete protein.
D)vitamin.
Q3) It is important to read labels; many times low-fat or reduced-fat foods have replaced fat with sugars.
A)True
B)False
Q4) _____ can prevent cholesterol from oxidizing and damaging arteries.
A)Vitamins
B)Minerals
C)Lipids
D)Antioxidants
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Chapter 17: Oral Pathology
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Sample Questions
Q1) A broad term for abnormal tissues in the oral cavity is:
A)tumor.
B)lesion.
C)cancer.
D)abscess.
Q2) Which of the following is an example of a drug that is a known teratogen involved in congenital malformations?
A)Aminopterin
B)Polychlorinated biphenyls
C)Rubella virus
D)Ionizing radiation
Q3) Because the immune system of the patient with HIV is severely damaged,death is usually caused by:
A)lichen planus.
B)an opportunistic infection.
C)heart failure.
D)petechiae.
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Page 19
Chapter 18: Microbiology
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Sample Questions
Q1) Which of the following types of bacteria have a rod-like shape?
A)Cocci
B)Diplococci
C)Bacilli
D)Spirochetes
Q2) How many major groups of microorganisms are there?
A)5
B)10
C)7
D)3
Q3) Which of the following types of bacteria have a spherical shape?
A)Cocci
B)Gram-positive bacteria
C)Bacilli
D)Spirochetes
Q4) Currently all prion diseases found in humans affect the: A)heart.
B)lungs.
C)brain.
D)immune system.
Page 20
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Chapter 19: Disease Transmission and Infection Prevention
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Sample Questions
Q1) Transmission of a disease,from the dental office to the family of a member of the dental team,is an example of _____ disease transmission in the dental office.
A)dental team-to-patient
B)patient-to-patient
C)dental office-to-community
D)community-to-dental office-to-patient
Q2) The strength of an organism in its ability to produce disease is:
A)virulence.
B)bioburden.
C)pathogens.
D)infectious disease.
Q3) The CDC:
A)is a regulatory agency
B)issues specific recommendations on health-related matters, based on sound scientific evidence
C)issues specific standards to protect the health of employees in the United States
D)issued the Blood-borne Pathogens Standard
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Chapter 20: Principles and Techniques of Disinfection
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Sample Questions
Q1) Surface barriers:
A)should be removed and discarded between patients following removal of gloves.
B)should be removed and discarded between patients while you are still gloved.
C)should be disinfected using the spray-wipe-spray technique.
D)eliminate the need to clean and disinfect surfaces at the beginning and end of each workday.
Q2) Disinfectants used in dentistry must:
A)be registered with the Environmental Protection Agency (EPA).
B)be registered as hospital disinfectants with tuberculocidal claims.
C)kill all spores.
D)both a and b.
Q3) To minimize surface contamination from splash,spatter,and surface droplets,the surface should be:
A)cleaned once a week and surface barriers should be used.
B)precleaned and disinfected between patients.
C)wiped with alcohol.
D)both a and b.
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Chapter 21: Principles and Techniques of Instrument
Processing and Sterilization
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Sample Questions
Q1) Failure of the sterilization process will be reported by the monitoring service immediately by:
A)phone to the dental office as a positive result.
B)phone to the dental office as a negative result.
C)mail to the dental office to document that the cultures were read as a positive result.
D)mail to the dental office to document that the cultures were read as a negative result.
Q2) Which of the following will not cause a sterilization failure?
A)Excessive packaging
B)Using correct packaging material
C)Overloading of sterilizer
D)Inadequate instrument cleaning
Q3) Which of the following patient care items is classified as a semicritical instrument?
A)Dental burs
B)Dental hygiene scalers
C)Lead apron
D)Rubber dam forceps
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23
Chapter 22: Regulatory and Advisory Agencies
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Q1) The ______ is the primary federal agency conducting and supporting medical research and is a part of the U.S.Department of Health and Human Services.
A)NIDCR
B)NIOSH
C)OSAP
D)NIH
Q2) An agency that issues rules and regulations with which dental offices must comply is a(n) _____ agency.
A)regulatory
B)advisory
C)licensure
D)local governmental
Q3) Annual OSHA inspections are mandatory for every dental practice.
A)True
B)False
Q4) States that administer their own state-operated OSHA programs do not have to meet or exceed federal OSHA standards.
A)True
B)False
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Chapter 23: Chemical and Waste Management
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Sample Questions
Q1) Eyewash units:
A)must be wall mounted.
B)irrigate the eyes with a strong, narrow flow of water, to bathe away contaminants.
C)may be flushed yearly to reduce microbial content in the waterline, according to some manufacturers.
D)must be installed in every workplace where chemicals are used, according to OSHA regulations.
Q2) Dermatitis may occur following chemical exposure by:
A)inhalation.
B)absorption through the lungs.
C)skin contact.
D)ingestion.
Q3) Which government agency enforces the disposal of regulated waste?
A)OSHA
B)The EPA
C)The CDC
D)The FDA
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Chapter 24: Dental Unit Waterlines
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Sample Questions
Q1) Backflow from low-volume saliva ejectors occurs when the patient:
A)is positioned in a reclined position in the dental chair.
B)closes his or her lips around the tip of a saliva ejector.
C)first turns on the saliva ejector.
D)has been using a saliva ejector for more than 10 minutes.
Q2) The type of water used during surgery where bone is exposed should be:
A)heated municipal water.
B)distilled water from a self-contained system.
C)sterile water only in a sterile syringe.
D)any type of water may be used.
Q3) Which of the following statements is true about dental unit waterlines?
A)Viruses cannot multiply in the DUWL.
B)The use of sterile water in the self-contained water reservoir ensures that water will be sterile at the point of delivery.
C)Microfilters reduce the bacterial contamination of water and destroy the biofilms that colonize the DUWLs.
D)Flushing for 20 to 30 seconds after each patient will remove biofilms from the lines.
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26
Chapter 25: Ergonomics
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Q1) Eyestrain is caused by not focusing for long enough periods of time during dental procedures.
A)True
B)False
Q2) Shoulder shrugging helps to stretch shoulder muscles that may be strained from:
A)telephone handsets, oral evacuators, and instruments.
B)bending and twisting.
C)leaning forward.
D)sitting for long periods of time.
Q3) Periodic stretching of the muscles that support your back,neck,forearms,wrists,and hands will help keep them strong and healthy.
A)True
B)False
Q4) Frequent reaching,twisting,and working with the arms in awkward positions can cause:
A)sprains.
B)strains.
C)stress.
D)both a and b.
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Chapter 26: The Patient Record
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Q1) The _____ provides the patient with the expected outcomes of treatment and describes any possible complications.
A)treatment plan
B)informed consent form
C)clinical examination
D)progress notes
Q2) The _____ addresses all the patient's problems that were identified during the examination and diagnosis portion of the visit in a sequenced plan,and may include more than one option.
A)informed consent form
B)clinical examination
C)treatment plan
D)progress notes
Q3) The written medical-dental health history form:
A)eliminates the need for a face-to-face conversation with the patient.
B)should be regarded as minimal information.
C)does not need to be signed and dated by the patient to certify that the information is correct.
D)is considered to be part of the treatment plan.
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Page 28
Chapter 27: Vital Signs
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Q1) When taking a patient's respiration rate,what characteristics should be noted?
A)Volume
B)Rhythm
C)Depth
D)Both b and c
Q2) Which term describes the pattern of the beats when taking a patient's pulse?
A)Rate
B)Volume
C)Rhythm
D)Arrhythmia
Q3) Blood pressure is recorded with:
A)the diastolic value over the systolic value.
B)systolic pressure being the point at which a sharp tapping sound is heard.
C)diastolic pressure reflecting the amount of pressure required for the left ventricle of the heart to compress or push oxygenated blood out into the blood vessels.
D)the systolic pressure being the second and lower number recorded.
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Chapter 28: Oral Diagnosis and Treatment Planning
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Q1) An intraoral camera provides the dentist with:
A)case presentation.
B)medical and legal documentation.
C)magnification of an image for better evaluation.
D)all of the above.
Q2) Responsibilities of the dental assistant in documenting the clinical exam include:
A)using the periodontal probe to determine pocket depths.
B)diagnosing caries.
C)charting the correct tooth and correct conditions.
D)determining tooth mobility.
Q3) The tooth-numbering system that begins with the maxillary right third molar as tooth 1 and ends with the mandibular right third molar as tooth 32 is the:
A)Universal System.
B)Palmer Notation System.
C)International Standards Organization/Fédération Dentaire Internationale System.
D)Bracket Numbering System.
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Chapter 29: The Special Needs and Medically
Compromised Patient
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Q1) What may cause teeth to darken and become more brittle because of aging?
A)Reduced size of the pulp chamber
B)Deposits of secondary dentin
C)Large caries
D)Both a and b
Q2) Which of the following is the irreversible enlargement in the size of the air spaces that
Results in labored breathing and increased susceptibility to infection?
A)Bronchitis
B)Emphysema
C)Asthma
D)Allergy
Q3) Which of the following is not a recommendation for treating hypertension?
A)Handle more stress.
B)Limit salt intake.
C)Follow a particular diet.
D)Perform exercise.
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Page 31
Chapter 30: Principles of Pharmacology
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Q1) The insert sheet that is included with every prescription filled by a pharmacist will include information about any long-term effects,such as:
A)relieving itchy, scratchy throat and eyes.
B)allergies.
C)possible liver damage.
D)"do not drink alcohol."
Q2) Who can prescribe drugs to a patient within the dental profession?
A)Dental office manager
B)Dental hygienist
C)Dental assistant
D)Dentist
Q3) Which of the following is the slowest route of absorption for a drug?
A)Orally
B)Rectally
C)Intravenously
D)Intramuscularly
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Chapter 31: Assisting in a Medical Emergency
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Sample Questions
Q1) A reduction of blood flow to the brain that causes the patient to lose consciousness is called:
A)syncope.
B)fainting.
C)hypertension.
D)both a and b.
Q2) A patient receiving dental treatment starts complaining of a severe pain in the chest.The medical history indicates the patient has been diagnosed with _____ and would have _____ medication with him for treatment.
A)diabetes; insulin
B)epilepsy; Dilantin
C)angina; nitroglycerin
D)asthma; bronchodilator "inhaler"
Q3) Myocardial infarction is commonly known as:
A)a stroke.
B)hypertension.
C)a heart attack.
D)angina.
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33
Chapter 32: The Dental Office
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Sample Questions
Q1) A device used to triturate dental materials is called a(n):
A)curing light.
B)dental unit.
C)handpiece.
D)amalgamator.
Q2) Patient dental chairs:
A)are only available for adult sized patients; however, booster seats may be purchased.
B)come with many visible mechanical parts, to facilitate cleaning and maintenance.
C)have finger- or foot-operated control systems to adjust the chair for dental treatment.
D)have fixed chair arms to provide a secure feeling to the patient.
Q3) When the dental chair is in the supine position,the:
A)back of the chair is positioned at a vertical 90-degree angle.
B)patient is positioned as if lying down.
C)patient's head is lower than the feet.
D)patient is in the correct position for exposure of radiographs and for taking impressions.
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Chapter 33: Delivering Dental Care
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Sample Questions
Q1) A _____ is a finger rest that stabilizes the hand so that there is less possibility of slipping or traumatizing the tissue in the mouth.
A)base
B)fulcrum
C)leverage point
D)pivot point
Q2) The basic instrument grasps include which of the following?
A)Pen grasp
B)Palm grasp
C)Palm-thumb grasp
D)All of the above
Q3) The transfer zone is the area where:
A)the patient is moved into the dental chair.
B)the dental unit is located.
C)instruments and dental materials are exchanged.
D)rear delivery takes place.
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Chapter 34: Dental Hand Instruments
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Sample Questions
Q1) Which instruments are most often referred to by number rather than by name?
A)Forceps
B)Pliers
C)Amalgam carvers
D)Both a and b
Q2) An amalgam _____ is also known as a plugger.
A)condenser
B)knife
C)carrier
D)carver
Q3) The basic setup is composed of which of the following instruments?
A)Evacuator, chisel, hatchet, and gingival margin trimmer
B)Mouth mirror, double-ended explorer, cotton pliers, and amalgam carver
C)Mouth mirror, double-ended explorer, and cotton pliers
D)Mouth mirror and double-ended explorer
Q4) Accessory instruments can include:
A)cement and impression spatulas.
B)periodontal probes and cotton pliers.
C)scissors and Howe pliers.
D)both a and c.
Page 36
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Chapter 35: Dental Handpieces and Accessories
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Sample Questions
Q1) Rotary instruments have three basic parts.They are the:
A)handle, shank, and working end.
B)shank, neck, and head.
C)neck, head, and handle.
D)shank, neck, and working end.
Q2) Which of the following is not a use for a low-speed handpiece?
A)Removal of old or faulty restorations
B)Finishing and polishing restorations
C)Root canal treatment
D)Coronal polishing and removal of stains
Q3) The air abrasion technique uses high-pressure delivery of _____ particles through a small probe to remove tooth structure.
A)zirconium silicate
B)aluminum oxide
C)silicon carbide
D)tin oxide
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Chapter 36: Moisture Control
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Sample Questions
Q1) The purpose of a limited-area rinsing of the patient's oral cavity is to:
A)frequently remove debris as it accumulates during a procedure.
B)rinse the patient's entire mouth when it needs refreshing.
C)rinse after the dental prophylaxis.
D)provide fresh breath.
Q2) Maintenance of the evacuation system should include which of the following?
A)Flush the hoses at the end of the day with antimicrobial solution.
B)Check disposable traps weekly, replace if needed.
C)Open saliva ejector hoses, clean or replace screens.
D)All of the above should be included.
Q3) The _____ is punched as the largest size hole (#5) to accommodate the dental dam clamp that fits on the _____ tooth.
A)anchor hole; keyhole
B)keypunch hole; anchor
C)septum hole; restorative
D)anterior hole; most anterior
Q4) The dental dam is placed _____ the local anesthetic is administered.
A)before
B)after
C)either a or b
Page 38
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Chapter 37: Anesthesia and Pain Control
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Sample Questions
Q1) Nitrous oxide oxygen administration always begins and ends with:
A)the patient deep breathing.
B)the patient breathing 100% oxygen.
C)taking the patient's blood pressure and temperature.
D)both b and c.
Q2) Used or contaminated needles and cartridges are discarded in the:
A)trash can.
B)biohazard bags.
C)sharps container.
D)medical waste.
Q3) _______ is the length of time from injection to complete and effective conduction blockage.
A)Induction
B)Infiltration
C)Duration
D)Indication
Q4) During the loading of an anesthetic syringe,the _____ is loaded first.
A)needle
B)anesthetic cartridge
C)either a or b
Page 39
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Chapter 38: Foundations of Radiography, Radiographic Equipment, and Radiation Safety
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Sample Questions
Q1) The range of shades of gray between black and white on an image is called:
A)contrast.
B)density.
C)sharpness.
D)focus point.
Q2) The Guidelines for Prescribing Dental Radiographs issued by the American Dental Association and the FDA recommend which of the following dental imaging procedures for a pregnant patient?
A)Do not take images on a pregnant patient.
B)Radiographic imaging procedures do not need to be altered because of pregnancy.
C)Take images only after the first trimester.
Q3) The maximum permissible dose for an occupational worker for an individual 18 years old or over is ___ rems per year:
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Page 40
Chapter 39: Digital Imaging, Dental Film, and Processing
Radiographs
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Sample Questions
Q1) Film speed is determined by the:
A)thickness of silver bromide salt.
B)thickness of cellulose acetate base.
C)size of the silver bromide crystals.
D)both a and c.
Q2) Which of the following is an extraoral film that is placed outside the mouth during x-ray exposure?
A)Periapical
B)Bite-wing
C)Panoramic
D)Occlusal
Q3) The recommended distance between the safelight and where the films are unwrapped is:
A)2 feet.
B)4 feet.
C)6 feet.
D)as close as possible.
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Page 41
Chapter 40: Legal Issues, Quality Assurance, and Infection
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Sample Questions
Q1) Regulations regarding certification for dental assistants in radiography:
A)are not required by federal law.
B)vary from state to state.
C)do not exist.
D)both a and b.
Q2) Sterilized positioning instruments should be removed from the packages:
A)before the patient is seated.
B)after the patient is seated.
C)at any time.
D)in the sterilization area.
Q3) What should be done after removing each exposed film or PSP from the patient's mouth?
A)It should be sterilized in a heat sterilizer.
B)Immerse the packet in disinfecting solution.
C)Wipe saliva from the film packet using a dry 2 × 2-inch gauze sponge or paper towel.
D)Rinse the films off in the sink and then place them in the ultrasonic cleaner.
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Chapter 41: Intraoral Imaging
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Sample Questions
Q1) Which teeth are included in the anterior set of images?
A)Premolars and molars
B)Canines and incisors
C)Canines and premolars
D)Incisors and molars
Q2) When taking periapical x-rays,the patient's head is _____ for maxillary films and _____ for the mandibular arch.
A)tilted back slightly; tilted back slightly
B)tilted back slightly; upright
C)upright; tilted back slightly
D)upright; upright
Q3) When using a #2 film sensor for anterior views using the paralleling technique,there are _____ anterior images.
A)four
B)six
C)seven
D)eight
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Chapter 42: Extraoral Imaging
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Sample Questions
Q1) If the patient's chin is too high during the panoramic exposure:
A)the maxillary premolars will be blurred.
B)the floor of the nasal cavity will be superimposed over the roots of the mandibular teeth.
C)a "reverse smile line" will appear on the radiograph.
D)detail of the mandibular region will be lost.
Q2) What new feature of the panoramic unit has allowed better resolution to show better details?
A)Cephalostat
B)Focal trough
C)Digital technology
D)Magnetic resonance
Q3) Skull radiography is most often used in:
A)endodontics and oral surgery.
B)oral surgery and orthodontics.
C)orthodontics and fixed prosthodontics.
D)prosthodontics and pediatric dentistry.
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Chapter 43: Restorative and Esthetic Dental Materials
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Sample Questions
Q1) ________ occurs when a metal restoration is touched by a fork.
A)Microleakage
B)Galvanic action
C)Sheer stress
D)Corrosion
Q2) Corrosion of metal restorative materials:
A)is a reaction that occurs when metal is exposed to products such as temperature, humidity, and saline.
B)is easily removed with polishing agents.
C)both a and b.
D)does not occur.
Q3) Retention holds a material in place and seals the structures together.
A)True
B)False
Q4) The process of setting of a material is correctly referred to as:
A)gelling.
B)hardening.
C)curing.
D)triturating.
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Chapter 44: Dental Liners, Bases, and Bonding Systems
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Sample Questions
Q1) Varnish should be placed:
A)in one thick layer.
B)in two light coats.
C)before a sedative base.
D)none of the above.
Q2) You are asked to select a protective base for insulation that is nonirritating under a composite restoration.Which would you select?
A)Zinc oxide-eugenol
B)Zinc phosphate
C)Polycarboxylate
D)Any of these
Q3) What is true of the bonding process?
A)It can be performed on only the dentin.
B)Contamination will not hinder the bond.
C)Avoid overdrying or desiccating the tooth; the product works best on a slightly moist tooth structure.
D)Using a small amount of bonding material is better than using too much.
Q4) If a varnish is used,it is always used before other materials.
A)True
B)False
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Chapter 45: Dental Cements
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Sample Questions
Q1) Which cement inhibits recurrent decay?
A)Zinc phosphate
B)Glass ionomer
C)Zinc oxide-eugenol
D)Composite resin
Q2) Which of the following cement types is(are) the most versatile and the least irritating to the pulp?
A)ZOE cement
B)Glass ionomer cement
C)Composite resin cement
D)Both a and b
Q3) Which type of cement is preferred for cementation of ceramic veneers?
A)Zinc phosphate
B)Polycarboxylate
C)Glass ionomer
D)Composite resin
Q4) The provisional should be lined with ZOE cement when being placed for temporary coverage.
A)True
B)False
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Chapter 46: Impression Materials
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Sample Questions
Q1) Preliminary impressions are used to make:
A)diagnostic models.
B)provisional coverage.
C)orthodontic appliances.
D)all of the above.
Q2) Most of the elastomeric material used requires the use of a(n) _____ on the tray.
A)stop
B)spacer
C)adhesive
D)lubricant
Q3) The length or depth of the alginate impression tray borders can be extended by adding _____ to the tray.
A)utility wax
B)acrylic
C)boxing wax
D)border molding compound
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Chapter 47: Laboratory Materials and Procedures
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Sample Questions
Q1) Which form of gypsum products is used for the creation of dies?
A)Plaster
B)Model plaster
C)Dental stone
D)High-strength stone
Q2) A trimmed maxillary model will be _____ at the anterior portion,and the mandibular model will be _____ at the anterior portion.
A)pointed; rounded
B)rounded; pointed
C)rounded; rounded
D)pointed; pointed
Q3) The type of resin that is formed into a diagnostic model using heat and a vacuum is:
A)self-cured.
B)light-cured.
C)thermoplastic.
D)auto-cured.
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Chapter 48: General Dentistry
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Sample Questions
Q1) When one or both of the proximal surfaces are removed during a restoration,there is no support to hold the material in place,so a _______ must be used to replace these walls during the procedure.
A)cavity wall
B)line angle
C)resistance form
D)matrix system
Q2) During a class III or IV restoration,the dentist may use a _________ to help reproduce the correct contours and contact.
A)Tofflemire matrix system
B)Mylar matrix system
C)universal matrix system
D)gingival retraction cord
Q3) Which statement is not true concerning tooth whitening?
A)Tooth whitening can be achieved using over-the-counter products.
B)Tooth whitening is permanent.
C)Tooth whitening can have some adverse effects on the teeth.
D)The main ingredient for whitening products is peroxide or a form of peroxide.
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Chapter 49: Matrix Systems for Restorative Dentistry
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Sample Questions
Q1) If there is a loss of a cusp making the preparation deeper,a(n) _____ band may be selected.
A)universal B)copper
C)Palodent D)extension
Q2) Which of the statements is not true of the spot-welded band?
A)The spot-welded band is a custom fitted band.
B)The spot-welded matrix band measures ¾" to 1" of copper material.
C)A #110 pliers is used to adapt the band to ensure the ends of the matrix are at the facial surface.
D)The matrix is welded at three positions before being placed on the tooth.
Q3) Which statement is not true concerning placement of the matrix retainer and band?
A)The diagonal slotted surface of the retainer is always toward the gingiva.
B)The handle of the retainer extends out from the oral cavity at the corners of the lips.
C)The seated band extends two to three mm above the occlusal surface of the tooth.
D)The retainer is positioned from the buccal side of the tooth.
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Chapter 50: Fixed Prosthodontics
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Sample Questions
Q1) Each component of a fixed bridge is referred to as a: A)tooth.
B)crown.
C)unit.
D)core.
Q2) A full metal crown that has the outer layers covered with a thin layer of porcelain is a(n):
A)porcelain jacket crown.
B)porcelain-fused-to-metal crown.
C)onlay.
D)three-quarter crown.
Q3) The final appointment in the crown and bridge process involves:
A)cementation of a permanent crown.
B)try-in of the casting.
C)picking a shade.
D)writing the laboratory prescription.
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Chapter 51: Provisional Coverage
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Sample Questions
Q1) When using a thermoplastic tray to fabricate a custom provisional,the tray is made:
A)before the dentist prepares the teeth.
B)after the dentist prepares the teeth.
C)anytime during the preparation appointment.
D)after the final impression is made.
Q2) When using a pre-formed provisional crown,the crown is tried on for shape and size _____ the tooth is prepared.
A)after
B)during the time
C)before
D)none of the above; the pre-formed crown is tried on at an appointment that occurs before the crown preparation appointment.
Q3) Once the acrylic-loaded impression is on the prepared tooth,it should remain on the tooth for approximately how long?
A)1 to 2 minutes
B)3 minutes
C)90 seconds
D)4 to 5 minutes
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53
Chapter 52: Removable Prosthodontics
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Sample Questions
Q1) During fabrication of a complete denture,the dentist uses the baseplate wax-occlusal rim assembly in order to evaluate the _____,which includes centric,protrusive,retrusive,and lateral excursions.
A)vertical dimension
B)occlusal relationship
C)smile line
D)canine eminence
Q2) Which of the following choices is an extraoral factor that must be considered before recommending a removable prosthesis for a patient?
A)Dietary habits
B)Musculature
C)Salivary flow
D)Residual alveolar ridge
Q3) The _____ begins at the occlusal surface of the tooth and extends downward so it partially encircles the tooth.
A)I-bar retainer
B)I-bar clasp
C)C-clasp
D)rest
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Chapter 53: Dental Implants
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Sample Questions
Q1) The surgical stent that is used as a template for the placement of the implant screws is made of:
A)stainless steel.
B)titanium.
C)clear acrylic resin.
D)opaque acrylic resin.
Q2) The implantation process involves several steps and may take _____ months to complete.
A)one to three
B)three to six
C)three to nine
D)six to twelve
Q3) The implant that is most commonly used to support a mandibular complete denture is the ____ implant.
A)endosteal
B)titanium
C)subperiosteal
D)transosteal
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Chapter 54: Endodontics
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Sample Questions
Q1) Endodontic failure may be caused by:
A)severely curved roots.
B)perforation of the canal.
C)accessory canal not being treated.
D)all of the above.
Q2) Which of the following steps in root canal therapy takes place first?
A)Estimated working length
B)Access preparation
C)Debridement and shaping the canal
D)Obturation
Q3) The instrument used to remove coronal pulp tissue and decay from a tooth is the: A)explorer.
B)spoon excavator.
C)Glick Number 1.
D)K-type file.
Q4) The purposes of irrigation solutions in root canal therapy include:
A)providing tissue dissolution.
B)providing bleeding control.
C)deodorizing the canal.
D)all of the above.
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Chapter 55: Periodontics
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Sample Questions
Q1) Which statement is not true concerning occlusal adjustments?
A)Excessive biting pressure noted in a specific area is referred to as occlusal trauma.
B)Occlusal equilibration adjusts the patient's bite so that occlusal forces are equally distributed over all the teeth.
C)Occlusal trauma can cause periodontal pocket formation.
D)Tooth mobility can be caused by occlusal trauma.
Q2) Early signs of periodontal disease include:
A)gingival bleeding.
B)evidence of exudates.
C)gingival inflammation.
D)all of the above.
Q3) Additional instructions for the patient after periodontal surgery include:
A)no smoking as smoking can interfere with the healing process and produce poor results.
B)limiting activities for a few days to those requiring minimal exertion.
C)the gentle use a soft toothbrush to clean the area of the surgery.
D)all of the above.
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Chapter 56: Oral and Maxillofacial Surgery
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Sample Questions
Q1) If using a cold pack to reduce swelling,it should be placed for ___ minutes on and ____ minutes off.
A)ten; ten
B)twenty; ten
C)twenty; twenty
D)ten; twenty
Q2) _____ is/are used to remove a tooth in one piece,with the crown and root intact.
A)A periosteal elevator
B)Forceps
C)A surgical curette
D)A rongeur
Q3) A situation in which additional skill,knowledge,and instrumentation are required to remove a tooth-for example,the removal of an impacted wisdom tooth-is termed a ______ extraction.
A)complex
B)simple
C)surgical
D)forceps
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58
Chapter 57: Pediatric Dentistry
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Sample Questions
Q1) Following premature loss of a primary tooth,_____ are designed to maintain the space until the normal eruption of the subsequent permanent tooth.
A)bite-blocks
B)bite planes
C)mouth guards
D)space maintainers
Q2) Traumatic _____ occurs when the injured tooth has been forced inward.
A)avulsion
B)extrusion
C)intrusion
D)luxation
Q3) Which is not true regarding the design of most pediatric offices?
A)They have an open bay concept.
B)Children are separated in individual operatories.
C)Computer and video equipment with programs for education and entertainment are widely used.
D)Quiet rooms are utilized for children with behavior problems.
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Chapter 58: Coronal Polishing
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Sample Questions
Q1) Which of the following choices represents an endogenous stain?
A)An excessive amount of fluoride during the development of the tooth
B)Blueberries
C)Dental amalgam that has been incorporated into tooth structure
D)Coffee
Q2) What damage can result from using the prophy angle at a high speed?
A)It can cause frictional heat that can damage the tooth.
B)It can remove dentin.
C)It can cause frictional heat that can burn the gingiva.
D)Both a and c can result.
Q3) Polishing _____ the uptake of professionally applied fluoride.Therefore,polishing is _____ before fluoride application.
A)improves; necessary
B)improves; not necessary
C)does not improve; necessary
D)does not improve; not necessary
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Chapter 59: Dental Sealants
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Sample Questions
Q1) Which is true regarding a properly placed sealant over small initial carious lesions?
A)The decay will continue to develop under the sealant.
B)Bacteria can survive under a sealant.
C)The number of bacteria in small carious lesions decreases over time.
D)The number of bacteria in small carious lesions increases over time.
Q2) Which teeth would be the most likely candidates for sealants?
A)Premolars
B)Teeth that are well coalesced
C)Teeth that have been erupted for six years
D)Primary molars with deep pits and fissures
Q3) The most common cause of sealant loss is:
A)use of unfilled material.
B)use of outdated material.
C)moisture contamination during placement.
D)bruxism.
Q4) Dental sealants replace other preventive care.
A)True
B)False
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Chapter 60: Orthodontics
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Sample Questions
Q1) Which is NOT a function of the dental assistant in an orthodontic practice?
A)To motivate and reinforce oral home care
B)To make a diagnosis
C)To make appliance adjustments
D)To take and fabricate diagnostic records
Q2) During cementation of bands,the cement is placed on the:
A)brackets.
B)tooth.
C)outer surface of the band.
D)inner surface of the band.
Q3) Preparing bands for cementation includes all of the following except:
A)wiping attachments with wax or Chapstick.
B)placing the band occlusal surface down on masking tape.
C)placing the band gingival surface down on masking tape.
D)fill the entire inner surface with cement.
Q4) Removal of bands may be accomplished with a(n):
A)band seater.
B)explorer.
C)bird-beak pliers.
D)band-removing pliers.
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Chapter 61: Communication in the Dental Office
Available Study Resources on Quizplus for this Chatper
39 Verified Questions
39 Flashcards
Source URL: https://quizplus.com/quiz/41127
Sample Questions
Q1) Which of the following lifestyle choices will not help to reduce stress?
A)Eating healthily
B)Exercising regularly
C)Continuing to dwell on office events even after leaving for the day
D)Taking time for yourself
Q2) Generally speaking,the dentist should not be interrupted at chairside to come to the phone.Phone interruptions:
A)reduce productivity and cause treatment delays.
B)are inconsiderate to the seated patient.
C)make it difficult for the dental team to maintain infection control protocols.
D)all of the above.
Q3) Items that need to be included when taking a message include the:
A)caller's name and phone number and when the dentist is to return the call.
B)caller's name, the caller's phone number if a call back is requested, and the reason for the call.
C)phone number where the caller can be reached and the reason for the call.
D)caller's name and phone number, the time of the call, and when the dentist is to return the call.
To view all questions and flashcards with answers, click on the resource link above.
Chapter 62: Business Operating Systems
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51 Verified Questions
51 Flashcards
Source URL: https://quizplus.com/quiz/41128
Sample Questions
Q1) Which of the following is the most commonly used system for patient filing because it is the easiest and follows basic rules of indexing?
A)Numerical
B)Color-coding
C)Alphabetic
D)Chronologic
Q2) With the exception of prosthodontics,it is generally not recommended to schedule more than two appointments in advance because:
A)it is easier for the dentist to remember the appointments.
B)with less than two appointments, the dentist's schedule becomes overbooked.
C)with less than two appointments, time is not available for new patients and emergencies.
D)there is a greater chance of a patient missing an appointment if it is scheduled too far in advance.
Q3) What would be used to help in sorting files from active to inactive?
A)File guides
B)Outguides
C)Aging tabs
D)Ledgers
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Page 64
Chapter 63: Financial Management in the Dental Office
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51 Verified Questions
51 Flashcards
Source URL: https://quizplus.com/quiz/41129
Sample Questions
Q1) _______ is the means or process of recording,classifying,and summarizing financial transactions.
A)Accounting
B)Financial arranging
C)Bookkeeping
D)Finance
Q2) Under coordination of benefits,the patient may receive payment from multiple carriers,but the total received may not be more than ____% of the actual dental expenses.
A)90
B)100
C)85
D)115
Q3) Accounts receivable manages:
A)the money the practice owes to others.
B)the money owed to the practice.
C)all money handled in the dental office.
D)both b and c.
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Chapter 64: Marketing Your Skills
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37 Verified Questions
37 Flashcards
Source URL: https://quizplus.com/quiz/41130
Sample Questions
Q1) Information to be included in the heading of the resume includes:
A)name and address.
B)age and sex.
C)birth date and telephone.
D)marital status and number of children.
Q2) Employment agencies:
A)are state run and charge a fee for their services.
B)can be private agencies, with employer-paid fees.
C)base their fee on the current minimum wage rate.
D)are paid on a monthly basis.
Q3) How many minutes early should you arrive before the interview?
A)Five to 10 minutes
B)Ten to 15 minutes
C)Right at the time for the interview, so you don't have to wait
D)A couple of minutes after the time of the appointment, so the dentist will be ready for you when you arrive
To view all questions and flashcards with answers, click on the resource link above.
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