Anatomy - Chapter 11

Question 1

Line angle

Answer 1

junction of two tooth surfaces walls

Question 2

lingual surface or palatal surface

Answer 2

the surface of mandibular and maxillary teeth closest to the tongue

Question 3

linguoversion

Answer 3

position in which the maxillary incisors are behind the mandibular incisors

Question 4

malocclusion

Answer 4

deviating from normal occlusion

Question 5

mandibular

Answer 5

lower jaw

Question 6

maxillary

Answer 6

upper jaw

Question 7

mesial surface

Answer 7

surface of the tooth toward the midline

Question 8

mesioclusion

Answer 8

term used for class 3 malocclusion

Question 9

mesiodistal divison

Answer 9

lengthwise division of the crown in a mesiodistal (front to back) direction, consisting of the mesial third, middle third, and distal third

Question 10

middle third

Answer 10

division (horizontally) of the root or crown in the middle

Question 11

mixed dentition

Answer 11

a mixture of permanent teeth and primary teeth that occurs until all primary teeth become lost (usually between ages 6-12)

Question 12

Nasmyth’s membrane

Answer 12

residue from epithelial tissue on the crowns of newly erupted teeth that may become extrinsically strained

Question 13

neutroclusion

Answer 13

The molar relationship is normal but individual teeth or groups of teeth are out of position ideal mesiodistal relationship between the jaws and the dental arches

Question 14

occlusal surface

Answer 14

the chewing surface of posterior teeth

Question 15

occlusion

Answer 15

natural contact of the maxi and mandi teeth in all positions

Question 16

occlusocervical division

Answer 16

crosswise division of the crown that is parallel to the occlusal or incisal surface, consisting of the occlusal third, middle third, and cervical third

Question 17

permanent dentition

Answer 17

set of 32 secondary teeth

Question 18

point angle

Answer 18

the angle formed by the junction of three surfaces

Question 19

posterior

Answer 19

toward the back

Question 20

primary dentition

Answer 20

first set of 20 primary teeth

Question 21

proximal surfaces

Answer 21

surfaces next to each other when teeth are adjacent in the arch

Question 22

quadrant

Answer 22

one quarter of the dentition

Question 23

sextant

Answer 23

one sixth of the dentition

Question 24

succedaneous

Answer 24

permanent teeth that replace primary teeth

Question 25

anterior

Answer 25

toward the front

Question 26

apical third

Answer 26

division of the root nearest the tip of the root

Question 27

buccal surface

Answer 27

tooth surface closest to the inner cheek

Question 28

buccolingual division

Answer 28

lengthwise division of the crown in a labial or buccolingual direction, consisting of the facial or buccal/labial third, middle third, and lingual third

Question 29

centric occulsion

Answer 29

maximum contact between the occluding surfaces of the maxi and mandi teeth

Question 30

cervical third

Answer 30

division of the root nearest the neck of the tooth

Question 31

concave

Answer 31

curved inwards

Question 32

curve of Spee

Answer 32

curvature formed by the maxi and mandi arches in occlusion

Question 33

curve of Wilson

Answer 33

cross-arch curvature of the occlusal plane

Question 34

deciduous

Answer 34

pertaining to the 1st dentition of 20 teeth (baby teeth or primary teeth)

Question 35

dentition

Answer 35

natural teeth in the dental arch

Question 36

distal surface

Answer 36

the surface of the tooth distant or away from the midline

Question 37

distoclusion

Answer 37

class 2 malocclusion in which the mesiobuccal cusp of of the maxi first moral occludes mesial to the mesiobuccal grove of the mandi first molar

Question 38

facial surface

Answer 38

tooth surface closed to the face (labial and buccal surfaces)

Question 39

functional occlusion

Answer 39

contact of teeth during biting and chewing movements

Question 40

incisal surface

Answer 40

the chewing surface of anterior teeth

Question 41

interproximal

Answer 41

the space between adjacent tooth surfaces

Question 42

labioversion

Answer 42

the inclination of the teeth to extend facially beyond the normal overlap of the incisal edge of the maxi incisors over the mandi incisors