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NBDE Review > 300 Dental Anatomy: Incisors > Flashcards

300 Dental Anatomy: Incisors Flashcards

1
Q

The primary function of incisors is:

A

Biting

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2
Q

Which tooth has the greatest facio-lingual axial inclination?

A

Maxillary central

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3
Q

____ has the greatest cervical curvature (on mesial) of any other tooth

A

Maxillary central

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4
Q

The ONLY anterior teeth that are wider M-D than F-L

A

Maxillary centrals

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5
Q

Has greatest M-D crown dimension of any ANTERIOR tooth

A

Maxillary centrals

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6
Q

Has measurement that is nearly identical for Inciso-Cervical vs Mesio-distal

A

Maxillary centrals

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7
Q

Contact between a max central and lat incisor has what effect on the embrasures?

A

lingual embrasure larger than the facial

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8
Q

Incisal embrasure between the maxillary centrals is ___ than between the central and the lateral.

A

smaller

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9
Q

Non-molar tooth that most frequently has a mesial and distal pulp horn is the:

A

Maxillary central

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10
Q

Non-molar tooth that is LEAST likely to have a bifurcated root is the:

A

Maxillary central

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11
Q

Tooth that has the MOST crown shape variations

A

Maxillary lateral

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12
Q

Except for 3rd Molars, the ___ exhibits the most deviation in crown morphology.

A

Maxillary lateral

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13
Q

Which tooth is most often is in abnormal relation and contact with adjacent teeth?

A

Maxillary lateral

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14
Q

Other than 3rd molars, the tooth that is most often congenitally missing is:

A

Maxillary lateral

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15
Q

Anterior tooth that most likely would demonstrate lingual pit caries:

A

Maxillary lateral

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16
Q

What is the anatomical feature that complicates root planning in a max lateral?

A

DL groove

17
Q

Which tooth has a disto-incisal angle with the greatest convexity of all max anterior teeth?

A

Maxillary Lateral Incisor

18
Q

Most prominent marginal ridges of all anterior teeth:

A

Maxillary Lateral Incisor

19
Q

Most distinct and deepest lingual fossa of all anterior teeth:

A

Maxillary Lateral Incisor

20
Q

Smallest mesio-distal crown width of all maxillary teeth

A

Maxillary Lateral Incisor

21
Q

Which tooth has a mesio-distal measurement that is nearly identical to facio-lingual (closest of any ANTERIOR teeth)?

A

Anterior: Maxillary Lateral Incisor

22
Q

The MD width of maxillary lateral is more _____ than the maxillary central

A

narrow

23
Q

Max lateral has distal contact that furthest ____ of any INCISOR.

A

cervically

*they’re usually incisally

24
Q

Max lateral has distal contact is centered both:

A

incisocerivcally + faciolingually

25
Q

Maxillary lateral incisor root length is _______ compared to the maxillary central incisor root length

A

Usually equal to or larger than

26
Q

The mandibular central incisor is distinguished by the cervical curvature, which is greater on which side: mesial or distal?

A

Mesial

27
Q

Which teeth most frequently have concave areas on mesial and distal root surfaces?

A

Mandibular centrals + laterals

28
Q

Which tooth has the smallest crown dimension of any tooth?

A

Mandibular centrals

29
Q

Which tooth has the most symmetrical crown?

A

Mandibular centrals

30
Q

Which tooth has the sharpest set of incisal angles (mesial and distal)?

A

Mandibular centrals

31
Q

Which tooth has proximal contacts at the same level?

A

Mandibular centrals

32
Q

Which tooth has proximal contacts at the same level on mesial and distal?

A

Mandibular centrals

33
Q

Which tooth has contact points at the same inciso-cervical level?

A

Mandibular centrals

34
Q

What two teeth generally occlude with only one opposing tooth?

A

Mandibular central incisors and Maxillary 3rd molars

35
Q

First SUCCEDANEOUS tooth to erupt in the mouth is the

A

Permanent Mandibular central incisors

36
Q

Which tooth has the same size buccal and lingual embrasure?

A

Mandibular centrals

37
Q

Which tooth has a crown that tilts distally in relation to the long axis?

A

Mandibular Lateral Incisors

38
Q

The mesio-distal width of mandibular lateral incisors is ______ than mandibular central incisors

A

wider

39
Q

What is visible on the mandibular lateral incisor when looking at it from the mesial?

A

DMR (distal marginal ridge)

NBDE Review (14 decks)

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