300 Dental Anatomy: Incisors

Question 1

The primary function of incisors is:

Answer 1

Biting

Question 2

Which tooth has the greatest facio-lingual axial inclination?

Answer 2

Maxillary central

Question 3

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

Answer 3

Maxillary central

Question 4

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

Answer 4

Maxillary centrals

Question 5

Has greatest M-D crown dimension of any ANTERIOR tooth

Answer 5

Maxillary centrals

Question 6

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

Answer 6

Maxillary centrals

Question 7

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

Answer 7

lingual embrasure larger than the facial

Question 8

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

Answer 8

smaller

Question 9

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

Answer 9

Maxillary central

Question 10

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

Answer 10

Maxillary central

Question 11

Tooth that has the MOST crown shape variations

Answer 11

Maxillary lateral

Question 12

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

Answer 12

Maxillary lateral

Question 13

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

Answer 13

Maxillary lateral

Question 14

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

Answer 14

Maxillary lateral

Question 15

Anterior tooth that most likely would demonstrate lingual pit caries:

Answer 15

Maxillary lateral

Question 16

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

Answer 16

DL groove

Question 17

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

Answer 17

Maxillary Lateral Incisor

Question 18

Most prominent marginal ridges of all anterior teeth:

Answer 18

Maxillary Lateral Incisor

Question 19

Most distinct and deepest lingual fossa of all anterior teeth:

Answer 19

Maxillary Lateral Incisor

Question 20

Smallest mesio-distal crown width of all maxillary teeth

Answer 20

Maxillary Lateral Incisor

Question 21

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

Answer 21

Anterior: Maxillary Lateral Incisor

Question 22

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

Answer 22

narrow

Question 23

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

Answer 23

cervically

*they’re usually incisally

Question 24

Max lateral has distal contact is centered both:

Answer 24

incisocerivcally + faciolingually

Question 25

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

Answer 25

Usually equal to or larger than

Question 26

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

Answer 26

Mesial

Question 27

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

Answer 27

Mandibular centrals + laterals

Question 28

Which tooth has the smallest crown dimension of any tooth?

Answer 28

Mandibular centrals

Question 29

Which tooth has the most symmetrical crown?

Answer 29

Mandibular centrals

Question 30

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

Answer 30

Mandibular centrals

Question 31

Which tooth has proximal contacts at the same level?

Answer 31

Mandibular centrals

Question 32

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

Answer 32

Mandibular centrals

Question 33

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

Answer 33

Mandibular centrals

Question 34

What two teeth generally occlude with only one opposing tooth?

Answer 34

Mandibular central incisors and Maxillary 3rd molars

Question 35

First SUCCEDANEOUS tooth to erupt in the mouth is the

Answer 35

Permanent Mandibular central incisors

Question 36

Which tooth has the same size buccal and lingual embrasure?

Answer 36

Mandibular centrals

Question 37

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

Answer 37

Mandibular Lateral Incisors

Question 38

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

Answer 38

wider

Question 39

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

Answer 39

DMR (distal marginal ridge)