Dental Anatomy Chapter 1

Question 1

What are the deciduous teeth for the maxilla and the mandible?

Answer 1

Maxilla: A-J Mandible: K-T

Question 2

What are the 4 tissues of the tooth?

Answer 2

Enamel, dentin, cementum, pulp.

Question 3

What teeth are bifurcated?

Answer 3

Some premolars and molars.

Question 4

What are the six line angles for anterior teeth?

What are the eight line angles for posterior teeth?

Answer 4

Anterior: Mesiolabial, Distolabial, Mesiolingual, Distolingual, Labioincisal, Linguoincisal.

Posterio: Mesiobuccal, Distobuccal, Mesiolingual, Distolingual, Mesio-occlusal, Disto-occlusal, Bucco-occlusal, Linguo-occlusal.

Question 5

For a maxillary central inscisor, which incisal angle is sharper, the distal or mesial?

Answer 5

mesial

Question 6

With regards to the maxillary central incisor:

What is the length of the crown from cervix to incisal edge?

From contact to contact what is the mesial-distal width?

How much longer is the root than the crown?

What is the mesiodistal diameter of crown at cervix?

What is the labiolingual diameter of the crown?

If you bisect a line through the root and crown what will it parallel?

Answer 6

10-11mm

8-9mm

2-3mm

7. 0mm
8. 0mm

Mesial side of the tooth.

Question 7

What are pulp horns?

Where is the pulp chamber the largest?

Answer 7

Areas of the pulp chamber usually seen in younger teeth that extend slightly further into the dentin than the rest of the chamber.

Cervical area

Question 8

With regards to the maxillary lateral incisor:

How much more narrow is it than the central incisor?

How much longer is the root than the crown?

What is the length of the crown from cervix to incisal edge?

What is the mesiodistal diameter of crown?

What is the mesiodistal dimeter of crown at cervix?

What is the labiolingual diameter of the crown?

Answer 8

About 2mm more narrow.

Root is about 1.5x the length of the crown.

9mm

6. 5mm
7. 0mm
8. 0mm

Question 9

What are the 4 point angles of the anterior teeth?

What are the 4 point angles of the posterior teeth?

Answer 9

Anterior: Mesiolabioincisal, Distolabioincisal, Mesiolinguoincisal, Distolinguoincisal.

Posterior: Mesiobucco-occlusal, Distobucco-occlusal, Mesiolinguo-occlusal, Distolinguo-occlusal.

Question 10

Give the eruption and shedding pattern for the deciduous teeth.

Answer 10

Question 11

Give the eruption of permanent teeth.

Answer 11