Oral and Maxillofacial Anatomy
Textbook Exam Questions
Course Introduction
This course provides a comprehensive exploration of the anatomical structures of the oral and maxillofacial region, including bones, muscles, nerves, blood vessels, and associated soft tissues. Emphasis is placed on the functional relationships between these structures and their clinical relevance to dental and surgical procedures. Students will gain detailed knowledge of head and neck anatomy through lectures, laboratory dissections, and case-based discussions, preparing them for advanced studies and clinical practice in dentistry and oral surgery.
Recommended Textbook
Illustrated Anatomy of the Head and Neck 4th Edition by Margaret J. Fehrenbach
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Chapter 1: Introduction to Head and Neck Anatomy
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Sample Questions
Q1) The median plane is created by an imaginary line dividing the body into equal right and left halves. On the surface of the body, these halves are NEVER symmetric in structure.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Answer: C
Q2) The number of bones and muscles in the head and neck is NOT usually constant and specific details of these structures can vary from patient to patient.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Answer: D
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Chapter 2: Surface Anatomy
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Sample Questions
Q1) From the following list of structures, select which structures are NOT located in the temporal region of the face.
A) Alae
B) Antitragus
C) Nasion
D) Vermilion border
E) Philtrum
Answer: A, C, D, E
Q2) The superior and posterior free margin of the auricle is the helix, which ends inferiorly at the lobule. The lobule is a small flap of tissue that is the part of the auricle anterior to the external acoustic meatus.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Answer: C
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4
Chapter 3: Skeletal System
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Sample Questions
Q1) Through which of the following bony landmarks is the sense of smell carried by olfactory nerves?
A) Crista galli of the ethmoid bone
B) Frontal sinuses of the frontal bone
C) Cribriform plate of the ethmoid bone
D) Perpendicular plate of the ethmoid bone
Answer: C
Q2) Why is the pterygoid process of the sphenoid bone an important feature of the skull to the dental professionals?
A) Serves as an attachment for the muscles of mastication
B) Serves as an attachment for muscles involved in swallowing
C) Serves as a landmark observed on maxillary posterior periapical radiographs
D) Serves as a landmark observed on mandibular posterior periapical radiographs
Answer: A
Q3) The squamosal suture is BEST observed from which view of the skull?
A) Anterior view
B) Inferior view
C) Lateral view
D) Superior view
Answer: C
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Chapter 4: Muscular System
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Sample Questions
Q1) Which of the following intraoral landmarks is one of the origins of the buccinator muscle?
A) Maxillary tuberosity
B) Pterygomandibular raphe
C) Glossopalatine arch
D) Internal oblique ridge
Q2) Which of the following muscles raises each labial commissure of the lips to contribute to a smile?
A) Zygomaticus major muscle
B) Buccinator muscle
C) Platysma muscle
D) Epicranius muscle
Q3) Which of the following muscles originates on the inferior border of the mandible and inserts into the skin tissue of the chin?
A) Depressor labii inferioris muscle
B) Mentalis muscle
C) Depressor anguli oris muscle
D) Orbicularis oris muscle
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6
Chapter 5: Temporomandibular Joint
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Sample Questions
Q1) The temporomandibular joint (TMJ) is innervated by the maxillary nerve (division) of the fifth cranial or trigeminal nerve. The blood supply to the joint is from branches of the external carotid artery.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) The gliding movement of the temporomandibular joint allows the lower jaw to move forward or backward. What movement of the mandible is involved when the lower jaw moves forward?
A) Retraction
B) Protrusion
C) Elevation
D) Depression
Q3) Which of the following ligaments is NOT associated with the temporomandibular joint (TMJ) ?
A) Temporomandibular joint ligament
B) Sphenomandibular ligament
C) Stylomandibular ligament
D) Stylohyoid ligament
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Chapter 6: Vascular System
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Sample Questions
Q1) Which of the following structures listed is NOT supplied by the lingual artery?
A) Suprahyoid muscles
B) Floor of the mouth
C) Mylohyoid muscle
D) Tongue
Q2) Which of the following statements BEST explains why BOTH facial and dental infections can lead to serious complications for the patient?
A) Antibiotics do NOT work well to combat facial and dental infections.
B) Valves in the veins are mostly absent in the head and neck area.
C) Both facial and dental infections have been found to be difficult to detect and treat early.
D) Blood supply is based on a one-to-one relationship of blood vessel to muscle.
Q3) Which are the MAJOR arteries that supply the head and neck?
A) Aorta, brachiocephalic
B) Common carotid, subclavian
C) Posterior auricular, occipital
D) Superficial temporal, facial
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8
Chapter 7: Glandular Tissue
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Sample Questions
Q1) From the nasolacrimal sac, the lacrimal fluid continues into the nasolacrimal duct, ultimately draining into the inferior nasal meatus. This connection explains why crying leads to extra saliva.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but NOT related.
C) The statement is correct, but the reason is NOT.
D) The statement is NOT correct, but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q2) In contrast to normal moisture of the eye or even crying, there can be persistent dryness, scratching, and burning in the eyes. These are signs of xerostomia.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) Which of the following glands is associated with the pterygopalatine ganglion?
A) Lacrimal gland
B) Parotid gland
C) Sublingual gland
D) Submandibular gland
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Page 9
Chapter 8: Nervous System
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Sample Questions
Q1) Branches of the facial nerve traverse all of the following openings EXCEPT the A) foramen rotundum.
B) internal auditory meatus.
C) stylomastoid foramen.
D) pterygoid canal.
Q2) Which part of the brain is involved in the regulation of BOTH the heartbeat and breathing?
A) Medulla
B) Pons
C) Cerebellum
D) Midbrain
Q3) Which of the following effects is prevented on the target nerve during the administration of a local anesthetic agent?
A) Resting potential
B) Action potential
C) Refractory period
D) Repolarization
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Page 10
Chapter 9: Anatomy of Local Anesthesia
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Sample Questions
Q1) Which of the following local anesthesia nerve blocks can be used during cosmetic procedures because, after procedures are completed, the clinician can immediately and accurately access the patient's smile line?
A) Anterior superior alveolar nerve block
B) Posterior superior alveolar nerve block
C) Anterior middle superior alveolar nerve block
D) Middle superior alveolar nerve block
Q2) The dental professional MUST know the location of certain adjacent soft tissue structures, such as major blood vessels and glandular tissue, so as to make sure to allow for injecting these structures.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but NOT related.
C) The statement is correct, but the reason is NOT.
D) The statement is NOT correct, but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
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Chapter 10: Lymphatic System
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Sample Questions
Q1) The lymphatics are a part of the immune system, and they help fight disease processes. Another component of the lymphatic system is the thymus gland because it works within immune system.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) Lymph from a particular tissue region drains into a secondary node, regional node, or master node. Secondary nodes, in turn, drain into a primary node or central node.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) What is the term used to denote the spread of cancer from the original or primary site of the tumor to another secondary site?
A) Miosis
B) Metastasis
C) Mitosis
D) Mydriasis
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Page 12
Chapter 11: Fasciae and Spaces
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Sample Questions
Q1) The fascia consists of layers of epithelial tissue. The fascia lies underneath the skin and also surrounds the muscles, bones, vessels, nerves, organs, and other structures of the body.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) The buccal space is the fascial space formed between the buccinator muscle and masseter muscle. Therefore the buccal space is superior to the zygomatic arch.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) Which of the following structures are NOT included in the masticator space?
A) Temporal and infratemporal space
B) Masseter muscle and ramus
C) Body of the mandible
D) Buccinator muscle
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Chapter 12: Spread of Infection
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Sample Questions
Q1) Osteomyelitis most often occurs in the mandible BECAUSE of the mandible's thicker cortical plates and reduced vascularization.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but NOT related.
C) The statement is correct, but the reason is NOT.
D) The statement is NOT correct, but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q2) Which of the following disease states can DIRECTLY cause a periapical abscess?
A) Periodontal disease
B) Chronic gingivitis
C) Progressive caries
D) Dentigerous cyst formation
Q3) Which of the following terms is BEST used to describe an infection with suppuration resulting from the entrapment of pathogens in a contained space?
A) Cellulitis
B) Abscess
C) Fistula
D) Embolus
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