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My Oral Anatomy > Oral Anatomy Quizzes - Missed questions > Flashcards

Oral Anatomy Quizzes - Missed questions Flashcards

1
Q

Which tooth junction(s) are not normally visible on a handheld intact tooth?

a. Cementoenamel Junction
b. Dentinoenamel Junction
c. Dentinocemental Junction
d. Dentinopulpal Junction

A

b. Dentinoenamel Junction
c. Dentinocemental Junction
d. Dentinopulpal Junction

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2
Q

Which space(s) contain(s) the part of the gingiva known as the interdental papilla?

a. The buccal embrasure
b. Occlusal embrasure
c. Lingual embrasure
d. Cervical embrasure
e. Interproximal space

A

d. Cervical embrasure

e. Interproximal embrasure

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3
Q

The incisal ridge exhibits a distolingual twist on which of the following teeth?

a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor

A

a. Maxillary central incisor

d. Mandibular lateral incisor

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4
Q

The cingulum is centered mesiodistally on which of the following teeth?

a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine

A

Maxillary canine

Maxillary central and Mandibular canine - more distal cingulum

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5
Q

On which tooth is the cusp angle most acute?

a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine

A

Maxillary canine

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6
Q

The mesial and distal marginal ridges are aligned more vertically than horizontally on the lingual surface of which tooth?

a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine

A

Maxillary central incisor
Maxillary canine
Mandibular canine

  • All have a marginal ridge that runs vertically
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7
Q

The Teeth (tooth) that develops from 4 lobes is?

a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine

A

Maxillary central incisor
Maxillary canine
Mandibular canine

  • All of these teeth develop from 4 lobes
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8
Q

The mesial cusp ridge of the buccal cusp is longer than the distal cusp ridge on which tooth?

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

a. Maxillary first premolar

- All of the other premolars have a longer distal cusp ridge on the buccal cusp

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9
Q

Two of the following premolars most frequently have a groove crossing the mesial marginal ridge or just one groove just lingual to it.

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

a. Maxillary first premolar
c. Mandibular first premolar

  • The second premolars do not usually have this
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10
Q

Two premolars without a central groove are:

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

c. Mandibular first premolar
e. Mandibular second premolar (3-cusp)

  • All other premolars have a central groove
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11
Q

From the buccal view, the crown is tipped distally from the root axis on which teeth?

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

  • All mandibular premolars observe this
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12
Q

The mesial marginal ridge is more cervical located than its distal marginal ridge on which tooth?

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

c. Mandibular first premolar

- All other premolars have a mesial marginal ridge that is placed more occlusal than the distal

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13
Q

Which tooth has no transverse ridge?

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

e. Mandibular second premolar (3-cusp)

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14
Q

Which tooth has a longer central groove?

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

a. Maxillary first premolar

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15
Q

What premolars have only two fossae? Both are triangular.

a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (2-cusp)
e. Mandibular second premolar (3-cusp)

A

a. Maxillary first premolar

b. Maxillary second premolar

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16
Q

Which of the following grooves radiate out from the central fossa in a mandibular second molar?

a. Central
b. Mesiobuccal
c. Distobuccal
d. Lingual
e. Buccal

A

a. Central groove
d. Lingual groove
e. Buccal groove

17
Q

Which cusp is the largest and longest on a mandibular second molar?

a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Distal

A

c. Mesiolingual cusp

18
Q

When the distal cusp is absent from a mandibular first molar, which groove(s) will not be present?

a. Buccal
b. Lingual
c. Mesiobuccal
d. Distobuccal
e. Lingual

A

c. Mesiobuccal
d. Distobuccal

If the distal cusp is missing you will only have a buccal groove no longer a mesiobuccal and distobuccal groove.

19
Q

What three grooves radiate out of the central fossa in a maxillary first molar?

a. Central
b. Distolingual
c. Transverse groove of oblique ridge (When present)
d. Buccal
e. Lingual

A

a. Central
c. Transverse groove of oblique ridge
d. Buccal

20
Q

Which grooves are likely to radiate out of the mesial triangular fossa on the maxillary first molar?

a. Mesiobuccal fossa groove
b. Mesiolingual fossa groove
c. Mesial marginal ridge groove (when present)
d. Central
e. Buccal

A

a. Mesiobuccal fossa groove
b. Mesiolingual fossa groove
c. Mesial marginal ridge groove (when present)
d. Central

21
Q

Which primary teeth have crowns that are wider mesiodistally than they are long inciso/occluso-cervically?

a. Maxillary central incisor
b. Maxillary first molar
c. Mandibular lateral incisor
d. Mandibular first molar
e. Mandibular canine

A

a. Maxillary central incisor
b. Maxillary first molar
d. Mandibular first molar

22
Q

Which teeth (primary or secondary) have the mesial proximal contact positioned more cervically than the distal proximal contact?

a. Mandibular first premolar
b. Maxillary first premolar
c. Primary maxillary canine
d. Primary mandibular canine
e. Mandibular second premolar

A

a. Mandibular first premolar

c. Primary maxillary canine

23
Q

Which teeth (primary or secondary) have the mesial cusp ridge of the facial cusp that is longer than the distal cusp ridge of the facial cusp?

a. Mandibular first premolar
b. Maxillary first premolar
c. Primary maxillary canine
d. Primary mandibular canine
e. Mandibular second premolar

A

b. Maxillary first premolar

c. Primary maxillary canine

24
Q

Which of the following traits can be used to differentiate primary teeth from secondary teeth?

a. Primary teeth have greater facial cervical bulges
b. Primary teeth have relatively thinner and longer roots
c. Primary teeth are whiter
d. Primary anterior teeth are larger than their successors
e. Primary teeth have relatively larger pulps

A

a. Primary teeth have greater facial cervical bulges
b. Primary teeth have relatively thinner and longer roots
c. Primary teeth are whiter
e. Primary teeth have relatively larger pulps

25
Q

Which of the following secondary teeth would you expect to have erupted in an average 9-10-year-old?

a. Maxillary lateral incisor
b. Maxillary central incisor
c. Mandibular canine
d. Maxillary canine
e. Mandibular second molar

A

a. Maxillary lateral incisor
b. Maxillary central incisor
c. Mandibular canine

26
Q

Which traits apply to a primary mandibular first molar?

a. Its roots are resorbed by the eruption of the 6-year mandibular first molar
b. It resembles a mandibular 6-year old first molar
c. It has a prominent buccal cervical bulge
d. It has a prominent mesial marginal ridge
e. It has a prominent transverse ridge
f. It has an occlusal table that is larger in the mesial half than the distal half

A

c. It has a prominent buccal cervical bulge
d. It has a prominent mesial marginal ridge
e. It has a prominent transverse ridge

27
Q

Which of the following descriptors apply (applies) to normal , healthy gingiva?

a. Coral pink or pink with masking melanin
b. Resilient
c. Strippled
d. Spongy
e. Knife edged in profile

A

a. Coral pink or pink with masking melanin
b. Resilient
c. Strippled
e. Knife edged in profile

28
Q

Which of the following are likely indications of periodontal disease?

a. Bleeding gums
b. Loss of bone
c. Category 3 mobility
d. Mucogingival stress
e. Gingival sulcus reading of 3mm

A

a. Bleeding gums
b. Loss of bone
c. Category 3 mobility
d. Mucogingival stress

29
Q

The furcations are likely to be farthest away from the cervical portion of the tooth in which ONE of the following teeth?

a. Mandibular first molar
b. Mandibular second molar
c. Mandibular third molar
d. Maxillary first molar
e. Maxillary second molar

A

c. Mandibular third molar

30
Q

What phrase best defines a pseudopocket?

a. Gingival margin is located coronal to the CEJ
b. Gingival margin is located apical to the CEJ
c. The distance beetween the gingival margin and ECJ
d. The distance between the gingival margin and the furcation

A

a. Gingival margin is located coronal to the CEJ

31
Q

Which teeth are not likely to have root depressions on both the mesial and distal surfaces of the root?

a. Maxillary central and lateral incisors
b. Maxillary canine
c. Maxillary second premolar
d. Mandibular second premolar

A

a. Maxillary central and lateral incisors

d. Mandibular second premolar

32
Q

Throughout the end of the 20th century, has the occurrence of dental caries in children increased, decreased, or stayed the same?

A

It has decreased

33
Q

Which of the following are point angles in a conservative class I preparation (if it has not extended into the buccal or lingual surfaces to include the buccal or lingual grooves)?

a. Gingivobuccoaxial
b. Occlusobuccoaxial
c. Mesiobuccopulpal
d. Distolinguopulpal
e. Buccolinguopulpal

A

Mesiobuucopulpal
Distolinguopulpal

  • Note: No axial can be observed in a CL I
  • Also: No bucco-lingual can be observed because they are on opposite sides
34
Q

What condition may result when a forming succedaneous tooth is located next to an abscess on an adjacent primary tooth?

a. Turners tooth
b. Fluorosis
c. Tetracycline Staining
d. Dentinogenesis imperfecta
e Amelogenesis imperfecta

A

Turner tooth

35
Q

Where on the temporal bone does the mandible function?

a. Anterior 3/4 of the mandibular fossa, also called the articular fossa
b. Posterior 1/4 of the mandibular fossa, also called the articular fossa
c. On the posterior inferior portion of the articular eminence
d. On the anterior inferior portion of the articular eminence

A

c. On the posterior inferior portion of the articular eminence

36
Q

Which muscles act to elevate the mandible along with the masseter muscle?

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)

A

d. Medial pterygoid muscles and temporalis muscle (anterior fibers only)

37
Q

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 posterior
d. Lateral and anterior

A

d. Lateral and posterior

38
Q

Which of the following would you palpate anterior and 1-2 inches superior to the ear?

a. Masseter, the origin
b. Masseter, the insertion
c. Temporalis, the posterior fibers
d. Temporalis, anterior fibers
e. Temporalis, the insertion

A

d. Temporalis, the anterior fibers

My Oral Anatomy (2 decks)

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