Ch. 11 Anatomical Structures And Surfaces

Question 1

Define Mesial :

Answer 1

Surface towards the midline.

Question 2

Define Distal :

Answer 2

Surface away from midline.

Question 3

Define Facial :

Answer 3

Surface towards the lip.

Question 4

Define Lingual :

Answer 4

Surface towards the tongue.

Question 5

define Incisal :

Answer 5

Biting/chewing surface of anterior teeth.

Question 6

Define Buccal

Answer 6

Surface towards the cheek.

Question 7

Define Occlusal :

Answer 7

Chewing surfaces of posterior teeth.

Question 8

Maxillary Arch is the :

Answer 8

Upper Jaw

Question 9

Mandibular Arch is the:

Answer 9

Lower Arch

Question 10

Anterior are :

Answer 10

Towards the front

Question 11

Posterior are :

Answer 11

Towards the back

Question 12

Define Proximal Surface :

Answer 12

Surfaces next to each other when teeth are adjacent in the arch (touching teeth)

Question 13

Define Interproximal surface :

Answer 13

The space between adjacent teeth

Question 14

Define convex :

Answer 14

Curved outwards

Question 15

Define Concave :

Answer 15

Curved inwards

Question 16

The Contact area is the :

Answer 16

Area of the mesial or distal surface of a tooth that touches the adjacent tooth in the same arch.

Question 17

Embrasure is the :

Answer 17

Triangular space between the gums and teeth.

Question 18

Line angle is :

Answer 18

The junction of two surface walls

Question 19

Point angle is :

Answer 19

The angle formed by junction of 3 surfaces

Question 20

The Apical Third is :

Answer 20

The division of the root nearest to the tip of the root

Question 21

The MIddle Third is :

Answer 21

The division of the root in the middle

Question 22

The Cervical Third is :

Answer 22

The division of the root nearest the neck of the tooth

Question 23

Define Occlusion :

Answer 23

Natural contact of posterior teeth

Question 24

Define Centric Occlusion :

Answer 24

Max contact between teeth

Question 25

Define Functional Occlusion :

Answer 25

Movement of the jaw

Question 26

Define Malocclusion :

Answer 26

Deviated from a Class I (incorrect movement)

Question 27

Class I is :

Answer 27

Neutroclusion

Question 28

Class II is :

Answer 28

Distoclusion

Question 29

Class II division 1 is :

Answer 29

Labioverison

Question 30

Class II division 2 is :

Answer 30

Linguoversion

Question 31

Class III is :

Answer 31

Mesioclusion