PRELIMS:DIVISIONS OF TOOTH SURFACE

Question 1

The imaginary line that divides the dental arch into into right and left

Answer 1

MIDLINE

Question 2

The tooth surface where a tooth has 2 proximal surfaces, one that is oriented towards the midline of the dental arch and another that is oriented away from the midline of the arch

Answer 2

PROXIMAL TOOTH SURFACE

Question 3

Types of proximal tooth surface

Answer 3

~MESIAL SURFACE

~DISTAL SURFACE

Question 4

The proximal surface closest to the midline of the arch

Answer 4

MESIAL SURFACE

Question 5

The proximal surface oriented away from the midline of the arch

Answer 5

DISTAL SURFACE

Question 6

The surface of a tooth that “faces” towards the lip or cheeks

Answer 6

FACIAL SURFACE

Question 7

The surface of an anterior tooth that faces towards the lip

Answer 7

LABIAL SURFACE

Question 8

The surface of a posterior tooth that faces towards the cheek

Answer 8

BUCCAL SURFACE

Question 9

The surface of a tooth facing toward the tongue

Answer 9

LINGUAL SURFACE

Question 10

The surface towards the cutting edge of an anterior tooth

Answer 10

INCISAL SURFACE

Question 11

The surface towards the chewing surface of a posterior tooth

Answer 11

OCCLUSAL SURFACE

Question 12

An imaginary line that goes through the crown and root around which the substance of a tooth is most symmetrically distributed

Answer 12

LONG AXIS

Question 13

The surface of tooth parallel to its long axis

Answer 13

AXIAL SURFACE