Lesson 2.2: Tooth Identification

Question 1

Toward the front of the mouth; canine to canine

Answer 1

Anterior

Question 2

Toward the back of the mouth; pre-molars and molars

Answer 2

Posterior

Question 3

Pertains to the midpoint of the tooth or situated at the center

Answer 3

Central

Question 4

Pertains to the side of the tooth

Answer 4

Lateral

Question 5

A tooth with two roots

Answer 5

Bifurcated

Question 6

A tooth with three roots

Answer 6

Trifurcated

Question 7

A small linear depression on the surface of a tooth

Answer 7

Groove

Question 8

A sharp or rounded projection of a tooth.

Answer 8

Cusp

Question 9

Lingual enamel bulge on cervical third of anterior teeth

Answer 9

Cingulum

Question 10

Rounded or angular depression

Answer 10

Fossa

Question 11

A small rounded projection on the incisal edge of newly erupted teeth

Answer 11

Mamelon

Question 12

An imaginary line between the central incisors

Answer 12

Midline

Question 13

The relationship between the chewing surfaces of maxillary and mandibular pre-molars and molars when in contact

Answer 13

Occlusion

Question 14

Upper arch, immobile part of the skull

Answer 14

Maxillary

Question 15

Lower arch, movable and not part of the skull

Answer 15

Mandible

Question 16

Front of the mouth with sharp, thin edges that cut food; where digestion begins, central and lateral locations

Answer 16

Incisors

Question 17

Also known as canines or eye teeth

Answer 17

Cuspids

Question 18

Longest teeth that help shape the face, and cut and tear foods

Answer 18

Cuspids

Question 19

Amount of cuspids in the permanent dentition

Answer 19

4

Question 20

Also known as premolars; used to crush, cut and tear food

Answer 20

Bicuspids

Question 21

Amount of bicuspids in the permanent dentition

Answer 21

8

Question 22

Located posterior; gradually gets smaller from the first to the third

Answer 22

Molars

Question 23

Amount of molars in the permanent dentition

Answer 23

12

Question 24

The surface of the tooth toward the face

Answer 24

Facial

Question 25

The facial surface of anterior teeth toward the lips

Answer 25

Labial

Question 26

The facial surface of posterior teeth, towards the inner cheek

Answer 26

Buccal

Question 27

The surface of the tooth toward the midline

Answer 27

Mesial

Question 28

The surface of the tooth away from the midline

Answer 28

Distal

Question 29

The surface of the tooth towards the tongue

Answer 29

Lingual

Question 30

The narrow cutting edge of anterior teeth

Answer 30

Incisal

Question 31

The broad chewing surface of posterior teeth

Answer 31

Occlusal

Question 32

The surfaces adjacent to each other

Answer 32

Proximal

Question 33

The space between teeth along the gingival margin

Answer 33

Interproximal

Question 34

Proximal surfaces where two adjacent teeth touch

Answer 34

Contact Point

Question 35

The space between the teeth that is not occupied

Answer 35

Embrasure

Question 36

No contact point between teeth

Answer 36

Diastema

Question 37

Abnormality in occlusal relationships

Answer 37

Malocclusion

Question 38

Centered contact position of occlusal surfaces of maxillary and mandibular teeth

Answer 38

Centric Occlusion

Question 39

Angle Classification with normal jaw relations

Answer 39

Class 1

Question 40

Angle Classification with a retrognathic (retruding) profile (deficient in chin-length); overbite

Answer 40

Class 2

Question 41

Angle Classification with a prognathic (protruding) profile (excessive chin-length); underbite

Answer 41

Class 3

Question 42

Tooth #1 is the posterior-most molar on the patient’s ______?

Answer 42

Right

Question 43

Tooth #16 is the posterior-most molar on the patient’s ______?

Answer 43

Left

Question 44

Tooth #17 is the anterior-most molar on the patient’s ______?

Answer 44

Left

Question 45

Tooth #32 is the anterior-most molar on the patient’s ______?

Answer 45

Right