Exam 4 Pt. 3

Question 1

dentition

Answer 1

central incisors, lateral incisors, cuspid (canine), first bicuspid, second bicuspid, first molar, second molar, third molar

Question 2

components of a tooth

Answer 2

crown, root, enamel, dentin, pulp, gingival sulcus, gingiva, alvolar bone, cementum, periodontal ligament.

Question 3

crown

Answer 3

above gum line

Question 4

root

Answer 4

below gum line

Question 5

enamel

Answer 5

dense surface for protection

Question 6

dentin

Answer 6

solid portion of tooth

Question 7

pulp

Answer 7

contains nerves and blood vessels with in the tooth

Question 8

gingival sulcus

Answer 8

grove between gingiva and crown

Question 9

gingiva

Answer 9

gum line

Question 10

alvolar bone

Answer 10

houses the teeth

Question 11

cementum

Answer 11

protecting surface surrounding the root

Question 12

periodontal ligament

Answer 12

suspends the tooth in the alveolus (socket)

Question 13

surface referents of teeth

Answer 13

buccal, lingual, medial, and distal

Question 14

buccal surface

Answer 14

near the cheeks

Question 15

lingual surface

Answer 15

near the tongue

Question 16

medial surface

Answer 16

near midline

Question 17

distal surface

Answer 17

near the posterior area of oral cavity

Question 18

dental development

Answer 18

deciduous teeth (baby teeth), permanent teeth

Question 19

Class I - Normal

Answer 19

first molar of the mandibular arch is one half tooth advanced of the maxillary molar.

Question 20

Class II - Malocclusion

Answer 20

first mandibular molars are retracted at least one tooth from the first maxillary molars

Question 21

Class III - Malocclusion

Answer 21

First mandibular molar is advanced farther than one tooth beyond the first maxillary molar.

Question 22

overjet

Answer 22

normal projection of upper incisors beyond lower incisors in transverse plane

Question 23

overbite

Answer 23

normal overlap of upper incisors relative to lower incisors

Question 24

torsiversion

Answer 24

rotated or twisted

Question 25

linguaversion

Answer 25

tilts toward the tongue

Question 26

buccoversion

Answer 26

tilts towards the cheek

Question 27

distoversion

Answer 27

tilts away from the midline of the dental arch

Question 28

infraversion

Answer 28

tooth is inadequately erupted

Question 29

supraversion

Answer 29

tooth protrudes excessively, causes inadequate occlusion of other dentition.

Question 30

mesioversion

Answer 30

tooth tilts toward the midline of the dental arch

Question 31

open bite

Answer 31

improper occlusion of anterior teeth

Question 32

closed bite

Answer 32

improper occlusion of posterior teeth