DA - Compendium

Question 1

What is the widest tooth mesiodistally?

Answer 1

Mandibular 1st molar

Question 2

What is the widest primary tooth mesiodistally?

Answer 2

Mandibular 2nd Molar

Question 3

What is the widest anterior tooth mesiodistally?

Answer 3

Maxillary central incisor

Question 4

What is the widest tooth faciolingually?

Answer 4

Maxillary 1st molar

Question 5

What is the widest primary tooth faciolingually?

Answer 5

Maxillary 2nd Molar

Question 6

What is the widest anterior tooth faciolingually?

Answer 6

Maxillary canine

Question 7

What is the only tooth with a pulp chamber wider mesiodistally than faciolingually?

Answer 7

Maxillary central incisor

Question 8

What are the only teeth to measure wider lingually than facially?

Answer 8

1. Primary maxillary 2nd molar
2. Permanent maxillary 1st molar
3. 3-cusp variety mandibular 2nd premolar

Question 9

What are the longest teeth (cusp tip to root tip)?

Answer 9

Maxillary and mandibular canines (27mm)

Question 10

Which tooth has the longest root (CEJ to apex)?

Answer 10

Maxillary canine (17mm)

Question 11

What are the three tallest crowns incisogingivally?

Answer 11

1. Mandibular canine (11.0mm)
2. Maxillary central incisor (10.5mm)
3. Maxillary canine (10.0mm)

Question 12

Other than the 3rd molars, what teeth are the most common to have anomalies?

Answer 12

Maxillary lateral incisor

Question 13

What are the common anomalies seen in maxillary lateral incisors?

Answer 13

1. Dens in dente
2. Congenitally missing (2nd most common)
3. Microdontia
4. Peg lateral
5. Supernumerary

Question 14

What is the most common incident of a supernumerary tooth (between maxillary central incisors)?

Answer 14

Mesiodens

Question 15

What is the most likely premolar tooth to be congenitally missing?

Answer 15

Mandibular 2nd premolar (3-cusp type)

Question 16

What are the most common teeth to be congenitally missing or malformed?

Answer 16

3rd molars

Question 17

What tooth has the smallest anatomical crown?

Answer 17

Mandibular central incisor

Question 18

What anterior tooth has the most symmetrical anatomical crown?

Answer 18

Mandibular central incisor

Question 19

Which posterior tooth has the most symmetrical anatomical crown?

Answer 19

Maxillary 2nd premolar

Question 20

What tooth has the narrowest Mesio-distal measurement?

Answer 20

Mandibular central incisor

Question 21

What tooth has the best developed lingual anatomy?

Answer 21

Maxillary lateral incisor

Question 22

What is the only tooth with a linguogingival groove?

Answer 22

Maxillary lateral incisor

Question 23

What is the only tooth with a mesiolingual groove?

Answer 23

Mandibular 1st premolar

Question 24

What is the only tooth with a mesial marginal developmental groove?

Answer 24

Maxillary 1st premolar (maxillary molars have supplemental marginal grooves)

Question 25

Where is the smallest facial and lingual embrasure in the mouth?

Answer 25

In between the two mandibular central incisors - they’re about the same size

Question 26

What is it called when the cementum of 2 proximal teeth are fused together? And where is this usually seen?

Answer 26

Concrescence - 2nd and 3rd molars, as well as anterior teeth

Question 27

Where are impacted teeth most commonly seen?

Answer 27

1. 3rd molars
2. Maxillary canines
3. Mandibular 2nd premolars