Quiz 4 Questions (TMJ, nerves, vasculature, anomalies, perio, normal anatomy) Flashcards
How many permanent molars are in the entire adult set of teeth?
a. 3
b. 6
c. 9
d. 12
e. 16
d. 12
Which bone has the openings for the branches of the trigeminal nerve (CN V) to exit the neurocranium?
a. temporal
b. sphenoid
c. occipital
d. maxillae
e. ethmoid
b. sphenoid
What major muscle of mastication has fibers that retract the mandible?
a. temporalis
b. masseter
c. medial pterygoid
d. buccinator
e. lateral pterygoid
a. temporalis
The suture line between temporal and parietal bones is called
a. coronal
b. squamosal
c. saggital
d. lambdoid
e. nasofrontal
b. squamosal
The origin of the medial pterygoid muscle includes which of the following?
a. anterior surface of the neck of the condyle
b. lateral side of lateral pterygoid plate
c. zygomatic arch
d. coronoid process of mandible
e. pterygoid fossa
e. pterygoid fossa
Which nerves provide sensory innervation to (or supply) all tooth pulps?
a. superior alveolar n. and its branches
b. inferior alveolar n. and its branches
c. fifth cranial nerve and its branches
d. PSA and its branches
e. maxillary nerve and its branches
c. fifth cranial nerve and its branches
- trigeminal –> maxillary + mandibular
Nerves that supply sensory innervation to the hard palate are the:
a. middle superior alveolar and anterior superior alveolar
b. posterior superior alveolar, middle superior alveolar and anterior superior alveolar
c. lingual and palatine
d. nasopalatine and posterior palatine
e. nasopalatine and anterior palatine
e. nasopalatine and anterior palatine
Which artery enters the mandible through the mandibular foramen?
a. mental a.
b. mylohyoid a.
c. inferior alveolar a.
d. posterior superior alveolar a.
e. infraorbital a.
c. inferior alveolar a.
Healthy Periodontium includes the following structures:
a. alveolar bone, periodontal ligament, cementum
b. alveolar bone, cementum, dentin
c. alveolar bone, sharpey fibers, periodontal ligament
d. periodontal ligament, cementum, dentin
a. alveolar bone, periodontal ligament, cementum
Which of the following is a characteristic for healthy gingiva?
a. Dull surface
b. Firm consistency
c. Scalloped margin
d. all of the above
d. all of the above
- coral pink too
Different types of periodontal ligaments are named based on:
a. their chemical structure
b. their length
c. their orientation
d. their thickness
c. their orientation
The main difference between gingivitis and periodontitis is:
a. Bleeding is less in gingivitis
b. Inflammation confines the gingiva in gingivitis
c. Plaque is less in gingivitis
d. all of the above
d. all of the above
Negative / positive numbers used to define the location of gingival margin compared to cementoenamel junction represent:
a. gingival enlargement / gingival recession
b. gingival clefting / gingival recession
c. gingival recession / gingival enlargement
d. gingival recession / gingival clefting
a. gingival enlargement / gingival recession
Cementum has several characteristics similar to bone, EXCEPT:
a. It is rich in minerals.
b. It is rich in hydroxyapatite.
c. It is rich in collagen fibers.
d. It is rich in blood supply.
d. It is rich in blood supply.
Which of the following clinical parameter is required to diagnose periodontitis?
a. Bleeding on Probing
b. Mobility
c. Clinical Attachment Level
d. Furcation Involvement
c. Clinical Attachment Level
Q1. What nerves are anesthetized when numbing the pulp and surrounding facial and lingual soft tissue of a mandibular first molar extraction?
a. inferior alveolar and mental nerves
b. posterior and middle superior alveolar and buccal (buccinator) nerves
c. inferior alveolar and buccal (buccinator) nerves
d. inferior alveolar, buccal (buccinator) and lingual nerves
e. infraorbital and middle superior alveolar nerves
d. inferior alveolar, buccal (buccinator) and lingual nerves
What is the lymph drainage for an infection found in the pulp of the mandibular central incisor?
a. submandibular to facial to deep cervical nodes
b. submental to parotid to deep cervical nodes
c. parotid to deep cervical to submandibular
d. submental to submandibular to deep cervical nodes
e. submandibular to parotid to deep cervical nodes
d. submental to submandibular to deep cervical nodes
Which of the following passes through the foramen rotundum?
a. inferior alveolar nerve
b. opthalmic division of the trigeminal nerve
c. maxillary division of the trigeminal nerve
d. mandibular division of the trigeminal nerve
e. maxillary artery
c. maxillary division of the trigeminal nerve
The muscles of mastication are innervated by which cranial nerve?
a. V (maxillary or second division)
b. V (mandibular or third division)
c. VII
d. IX
e. XII
b. V (mandibular or third division)
Which of the following muscles (or muscle fibers) are primarily responsible for moving the mandible to the right?
a. the temporalis: posterior fibers
b. the right lateral pterygoid
c. the left lateral pterygoid
d. the right medial pterygoid
e. the left medial pterygoid
c. the left lateral pterygoid
Which muscles have their origin (in part) on the zygomatic bones?
a. suprahyoid muscles
b. medial pterygoid muscles
c. lateral pterygoid muscles
d. temporalis muscles
e. masseter muscles
e. masseter muscles
Which of the following is NOT a ligament that limits the movement of the mandible?
a. stylomandibular
b. synovial
c. sphenomandibular
d. lateral or temporomandibular
e. capsular
b. synovial
What nerve passes along the nasal septum to enter onto the palate through the incisive foramen?
a. anterior (greater) palatine
b. infraorbital
c. anterior superior alveolar
d. nasopalatine
e. posterior superior alveolar
d. nasopalatine
Which tissue makes up the majority of the bulk of a tooth?
a. enamel
b. dentin
c. lamina dura
d. cementum
e. pulp
b. dentin
Which bone does NOT join with (touch) the maxillae bones?
a. nasal
b. zygomatic
c. frontal
d. palatine
e. occipital
e. occipital
Which nerve passes through the foramen ovale of the sphenoid bone?
a. middle superior alveolar nerve
b. maxillary division of the trigeminal nerve
c. inferior alveolar nerve
d. mandibular division of the trigeminal nerve
e. nasopalatine nerve
d. mandibular division of the trigeminal nerve
Branches of which of the following arteries supply blood to all teeth?
a. pterygopalatine
b. superior alveolar
c. maxillary
d. mandibular
e. inferior alveolar
c. maxillary
The insertion of the masseter muscle is located where?
a. zygomatic arch
b. anterior neck of the condyle
c. pterygoid fossa of the sphenoid bone
d. lateral angle of the mandible
e. medial angle of the mandible
d. lateral angle of the mandible
Fibers of which muscles are responsible for protruding the mandible (pulling it forward)?
a. temporalis muscles, anterior fibers
b. masseter muscles
c. medial pterygoid muscles
d. lateral pterygoid muscles
e. temporalis muscles, posterior fibers
d. lateral pterygoid muscles
Which of the following ligaments limits the movement of the mandible and stretches between the lingula of the mandible to the spine of the sphenoid?
a. stylomandibular
b. synovial
c. sphenomandibular
d. lateral or temporomandibular
e. capsular
c. sphenomandibular
What is the lymph drainage for an infection found in the chin?
a. submandibular to facial to deep cervical nodes
b. submental to parotid to deep cervical nodes
c. parotid to deep cervical to submandibular
d. submental to submandibular to deep cervical nodes
e. submandibular to parotid to deep cervical nodes
d. submental to submandibular to deep cervical nodes
Which of the following muscles is most directly involved in the movement of the upper lip?
a. buccinator
b. levator anguli oris
c. nasalis
d. orbicularis oculi
e. mentalis
b. levator anguli oris
The TMJ is the articulation of which two bones?
a. mandible and sphenoid
b. sphenoid and temporal
c. temporal and maxillae
d. mandible and temporal
e. zygomatic and mandible
d. mandible and temporal
Which nerves must be anesthetized when numbing the pulp and surrounding facial and lingual soft tissue for extraction of a mandibular canine for extraction? (There is one best answer)
a. inferior alveolar (including mental branch)
b. inferior alveolar, lingual and infraorbital nerve
c. inferior alveolar and buccal (buccinator) nerves
d. inferior alveolar, anterior superior alveolar and lingual nerves
e. inferior alveolar (including mental branch) and lingual nerves
e. inferior alveolar (including mental branch) and lingual nerves
Which of the following landmarks is located on a maxilla bone?
a. mental foramen
b. articular eminence
c. infraorbital foramen
d. coronoid process
e. mandibular fossa
c. infraorbital foramen
Which bone does not form part of the eye orbit
a. ethmoid
b. zygoma
c. maxilla
d. lacrimal
e. occipital
e. occipital
The suture line between the two parietal bones is called:
a. sagittal
b. intermaxillary
c. lambdoid
d. squamosal
e. coronal
a. sagittal
Which of the following cranial nerves innervate the anterior two thirds of the tongue for taste?
a. Trigeminal nerve (V): maxillary division
b. Trigeminal nerve (V): mandibular division
c. Facial nerve (VII)
d. Glossopharyngeal (IX)
e. Hypoglossal (VII)
c. Facial nerve (VII)
Which of the following statements is true regarding the medial pterygoid muscles?
a. they are innervated by the sensory branches of the maxillary division of the trigeminal nerve
b. they have their origin on the zygomatic arch
c. they have their insertion on the medial surface of the mandible’s angle
d. they work together to protrude the mandible during jaw movement
e. their horizontal fibers retrude the mandible
c. they have their insertion on the medial surface of the mandible’s angle
Which of the following cranial nerves innervate the muscles that move the tongue?
a. Trigeminal nerve (V): maxillary division
b. Trigeminal nerve (V): mandibular division
c. Facial nerve (VII)
d. Glossopharyngeal (IX)
e. Hypoglossal (XII)
e. Hypoglossal (XII)
Which of the following statements is true regarding the lateral pterygoid muscles?
a. they are innervated by the motor branches of the facial nerve
b. they have their origin on the zygomatic arch
c. they have their insertion on the medial surface of the mandible’s angle
d. they work together to protrude the mandible during jaw movement
e. their horizontal fibers retrude the mandible
d. they work together to protrude the mandible during jaw movement
Which of the following nerves (or nerve branches) is NOT part of the Maxillary division of the fifth cranial nerve?
a. nasopalatine
b. infraorbital
c. posterior superior alveolar
d. lingual
e. pterygopalatine
d. lingual
Which of the following can be palpated just slightly in front of and below the ear opening (external auditory meatus)?
a. insertion of the masseter muscle
b. origin of the masseter muscle
c. insertion of the temporalis muscle
d. origin of the temporalis muscle
e. origin of the lateral pterygoid muscle
b. origin of the masseter muscle
Which nerve passes from the brain along the nasal septum to enter the palate through the incisive canal and foramen?
a. greater (anterior) palatine
b. lesser (posterior) palatine
c. nasopalatine
d. middle superior alveolar
e. anterior superior alveolar
c. nasopalatine
Which artery (and its branches) supplies blood to all of the mandibular teeth (pulps), but not the maxillary teeth?
a. inferior alveolar
b. pterygoid part
c. infraorbital
d. descending palatine
e. masseteric
a. inferior alveolar
Which of the following tongue papillae are located in a row near the posterior third of the tongue?
a. foliate
b. cecum
c. filiform
d. circumvallate
e. fungiform
d. circumvallate
Which of the following landmarks is the location of the duct draining the submandibular salivary glands?
a. plica sublingualis (sublingual fold)
b. sublingual caruncle
c. lingual frenum
d. vestibular fornix
e. plica fimbriata
b. sublingual caruncle
Which bone does not abut next to (touch) the maxillae bones?
a. nasal
b. frontal
c. zygomatic
d. palatine
e. parietal
e. parietal
Which of the following bones forms at least part of the origin of three pairs of muscles of mastication?
a. Sphenoid bone
b. temporal bones
c. occipital bone
d. parietal bones
e. mandible
a. Sphenoid bone
Which of the following nerves innervates the pulp of tooth #3?
a. cranial nerve V: mandibular division
b. posterior superior alveolar nerves
c. middle superior alveolar nerves
d. both posterior and middle superior alveolar nerves
e. posterior and middle superior alveolar and greater palatine nerves
d. both posterior and middle superior alveolar nerves
Which of the following nerves innervates the pulp of tooth #19?
a. cranial nerve V: mandibular division
b. posterior superior alveolar nerves
c. middle superior alveolar nerves
d. parietal both posterior and middle superior alveolar nerves
e. lingual nerve
a. cranial nerve V: mandibular division
Which structure is located on the lateral surface of the tongue, and must be distinguished from cancerous growths that may develop in that location?
a. lateral lingual frenum
b. incisive papillae
c. filiform papillae
d. fungiform papillae
e. foliate papillae
e. foliate papillae
Branches of which of the following cranial nerves innervate the anterior two thirds of the tongue for sensation (feeling a needle stick)?
a. trigeminal nerve (V): maxillary division
b. trigeminal nerve (V): mandibular division
c. facial nerve (VII)
d. glossopharyngeal (IX)
e. hypoglossal (VII)
b. trigeminal nerve (V): mandibular division
Which of the following can be palpated just above and behind the ears?
a. insertion of the masseter muscle
b. origin of the masseter muscle
c. insertion of the temporalis muscle
d. origin of the temporalis muscle
e. origin of the lateral pterygoid muscle
d. origin of the temporalis muscle
The drainage of infection from tooth #19 drains first (most immediately) into which lymph nodes?
a. submental
b. submandibular
c. superficial parotid
d. deep cervical
e. superficial cervical
b. submandibular
What are the locations of potential furcation involvement on a permanent mandibular first molar?
a. mid-buccal; distal and mesial (more toward the lingual)
b. mid-lingual; distal and mesial (more toward the buccal)
c. mid-buccal and mid-mesial
d. mid-mesial and mid-distal
e. mid-buccal and mid-lingual
e. mid-buccal and mid-lingual
Which of the following descriptors does NOT apply to normal, healthy gingiva?
a. coral pink or pink with masking melanin
b. resilient
c. stippled
d. spongy
e. knife edge in profile
d. spongy
The wrinkles (or elevations) of tissue on the anterior portion of the hard palate are known as:
a. glossopalatine folds
b. palatine rugae
c. pharyngopalatine folds
d. pterygopalatine folds
e. fovea palatini
b. palatine rugae
Which landmark is NOT located on the palate?
a. rugae
b. fovea palatini
c. incisive papilla
d. midpalatine raphe
e. pterygomandibular fold
e. pterygomandibular fold
Which nerve branch of Cranial Nerve 5 innervates the pulp of tooth #24?
a. mental branch
b. incisive branch
c. infraorbital branch
d. nasopalatine branch
e. anterior superior alveolar
b. incisive branch
What are the locations of potential furcation involvement on a permanent maxillary second molar?
a. mid-buccal; distal and mesial (more toward the lingual)
b. mid-lingual; distal and mesial (more toward the buccal)
c. mid-buccal and mid-mesial
d. mid-mesial and mid-distal
e. mid-buccal and mid-lingual
a. mid-buccal; distal and mesial (more toward the lingual)
Which characteristic does not apply to normal, healthy gingiva?
a. The consistency is firm and resilient
b. Slight bleeding occurs only upon deep probing
c. The color is coral pink possibly masked by melanin
d. Papillae fill the cervical embrasure
e. Margins are knife-edge in profile
b. Slight bleeding occurs only upon deep probing
Which term is used to describe a lack of attached gingiva?
a. gingival recession
b. tooth mobility
c. probe depths greater than 3mm
d. mucogingival stress or involvement
d. mucogingival stress or involvement
Which of the following bones does not form part of the temporal fossa?
a. parietal
b. frontal
c. sphenoid
d. temporal
e. occipital
e. occipital
The mental foramen is located:
a. on the external surface of the mandible
b. on the internal surface of the mandible
c. on the palatal surface of the maxilla
d. on the external surface of the maxillae
e. on the sphenoid bone
a. on the external surface of the mandible
What space does the maxillary nerve pass through immediately after exiting the foramen rotundum?
a. nasopalatine canal
b. mandibular canal
c. maxillary sinus
d. infraorbital canal
e. pterygopalatine space
e. pterygopalatine space
What bony process of the maxilla surrounds tooth roots?
a. nasofrontal process
b. frontal process
c. alveolar process
d. zygomatic process
e. palatine process
c. alveolar process
Which structure is not located on the sphenoid bone?
a. foramen ovale
b. foramen rotundum
c. greater wing
d. pterygoid process
e. articular fossa
e. articular fossa
Which teeth are most likely to have the roots in proximity to the maxillary sinus?
a. maxillary molars and premolars
b. maxillar canines
c. maxillary incisors
d. mandibular posterior teeth
a. maxillary molars and premolars
What two structures articulate with the disc in the TMJ?
a. the coronoid process of the mandible and the mandibular fossa of the temporal bone
b. the condyloid process of the mandible and the mandibular fossa of the temporal bone
c. the coronoid process of the mandible and the mandibular fossa of the sphenoid bone
d. the condyloid process of the mandible and the mandibular fossa of the sphenoid bone
e. the condyloid process of the mandible and the mandibular fossa of the maxillae
b. the condyloid process of the mandible and the mandibular fossa of the temporal bone
Where on the temporal bone does the mandible function?
a. anterior three quarters of the mandibular fossa called the articular fossa
b. the posterior quarter of the mandibular fossa called the articular fossa
c. posterior inferior portion of the articular eminence
d. on the anterior inferior position of the articular eminence
c. posterior inferior portion of the articular eminence
Which muscle has its origin in the pterygoid fossa?
a. medial pterygoid m.
b. lateral pterygoid m.
c. masseter m.
d. temporalis m.
a. medial pterygoid m.
The masseter muscle elevates the mandible. Which other muscles are involved in elevating the mandible?
a. temporalis (anterior fibers) and lateral pterygoid muscles
b. lateral pterygoid muscles and medial pterygoid muscles
c. temporalis (posterior and anterior fibers) and medial pterygoid muscles
d. medial pterygoid muscles and temporalis (anterior fibers)
e. lateral pterygoid muscles and temporalis (posterior fibers)
d. medial pterygoid muscles and temporalis (anterior fibers)
In which direction do the fibers of the lateral pterygoid muscles travel from their origin to their insertion?
a. medial and posterior
b. medial and anterior
c. lateral and anterior
d. lateral and posterior
d. lateral and posterior
Which of the following muscles of facial expression does not contribute to moving the lips?
a. orbicularis oris
b. risorius
c. levator labii superioris
d. depressor labii inferioris
e. orbicularis oculi
e. orbicularis oculi
Which of the following would you palpate anterior and 1 to 2 inches superior to the ear?
a. masseter origin
b. masseter insertion
c. temporalis posterior fibers
d. temporalis anterior fibers
e. temporalis insertion
d. temporalis anterior fibers
The branches of which nerve cause the masseter muscle fibers to contract, squeezing the teeth together?
a. CN V: maxillary division
b. CN V: mandibular division
c. CN V: opthalmic division
d. Facial nerve
e. Lingual nerve
b. CN V: mandibular division
Which of the following nerve branches does not need to be anesthetized in order to block the sensation of pain to the pulp and all surrounding bone and gingiva of tooth number 27 prior to an extraction?
a. buccal nerve
b. mental nerve
c. incisive nerve
d. inferior alveolar nerve
e. lingual nerve
a. buccal nerve
Which two nerves branch off the infraorbital nerve while it is in the infraorbital canal?
a. MSA and PSA
b. ASA and MSA
c. PSA and ASA
d. MSA and nasopalatine
e. nasopalatine and greater palatine
b. ASA and MSA
Anesthetizing nerve fibers of what nerve results in numbness in half of the anterior two thirds of the tongue?
a. hypoglossal nerve
b. glossopharyngeal nerve
c. lingual nerve branch of the trigeminal nerve
d. lingual nerve branch of the facial nerve
c. lingual nerve branch of the trigeminal nerve
- mandibular division –> lingual n.
The nerve branch of the trigeminal n. that provides pain sensation to the mandibular teeth exits the skull through:
a. foramen ovale
b. foramen rotundum
c. mandibular foramen
d. mental foramen
e. infraorbital foramen
a. foramen ovale
Which node would first show enlargement from an infection of a mandibular incisor?
a. submental
b. submandibular
c. parotid
d. cervical
e. preauricular
a. submental
At what location would you palpate the cervical lymph node chain?
a. around the sternocleidomastoid muscle
b. near the symphysis of the mandible
c. over the submandibular gland
d. behind the ear
e. over the parotid gland
a. around the sternocleidomastoid muscle
Branches of what artery supply blood to the mandibular teeth?
a. maxillary artery
b. masseteric artery
c. pterygoid artery
d. pterygopalatine artery
e. superficial temporal artery
a. maxillary artery
Branches of what artery supply blood to the maxillary teeth?
a. maxillary artery
b. masseteric artery
c. pterygoid artery
d. pterygopalatine artery
e. superficial temporal artery
a. maxillary artery
vibrating line
junction of hard and soft palate
Whartons duct openings
on anterior floor of mouth where the plica sublingualis meet
opening from oral cavity to pharynx
fauces
mucous salivary glands beneath anterior third of tongue
sublingual gland
large serous salivary gland beneath posterior third of tongue
submandibular gland
fold in floor of mouth beneath tongue
plica sublingualis
delicate fold on each side of vental surface of tongue
plica fimbriata
on lateral surfaces of tongue near posterior third
foliate papilla
8-12 circular papillae arranged in a V shape
circumvallate papillae
space between mandibular teeth and tongue
alveololingual sulcus
located between anterior and posterior pillars in throat
palatine tonsils
mucous membrane between anterior pillar and pterygomandibular fold
retromylohyoid curtain
sparse round mushroom shaped papillae on dorsum of tongue
fungiform papillae
located just posterior to vibrating line
fovea palatini
serous salivary gland just in front of ear
parotid gland
bulbous protuberance on facial side of mandible in premolar region
exostosis
What condition may result when a forming succedaneous tooth is located next to an abscess on an adjacent primary tooth? a. Turner tooth b. Fluorosis c. Tetracycline staining d. Dentinogenesis imperfecta e. Amelogenesis imperfecta
a. Turner tooth
An adult has only three maxillary incisor crowns, but one of the crowns is doubled in width and notched. What do you suspect? a. Fusion b. Twinning c. Gemination d. Concrescence e. Cementosis
a. Fusion
- Which condition may be caused by habitually
sucking on lemons (which are quite acidic)?
a. Attrition
b. Erosion
c. Abrasion
d. Amelogenesis imperfecta
e. Hypoplasia
b. Erosion
Which three of the following locations are most likely to have supernumerary teeth form? a. Mandibular premolar area b. Maxillary premolar area c. Maxillary incisor area d. Mandibular incisor area e. Third molar area
a. Mandibular premolar area
c. Maxillary incisor area
e. Third molar area
5. Which one of the following teeth that are normally single rooted are most likely to have a bifurcated root? a. Maxillary central incisors b. Maxillary lateral incisors c. Mandibular canines d. Mandibular first premolars e. Mandibular second premolars
c. Mandibular canines
Which two of the following are most likely to
exhibit unusually formed crown morphology?
a. Maxillary central incisors
b. Maxillary lateral incisors
c. Mandibular canines
d. Maxillary third molars
e. Maxillary first molars
b. Maxillary lateral incisors
d. Maxillary third molars
