Dental Terminology - Oral Diseases/Conditions

Question 1

abrasion

Answer 1

the wearing of teeth due to abnormal contact with structures other then teeth

Question 2

acquired pellicle

Answer 2

the thin film composed mostly of protien that forms on the surface of teeth. It forms with or without bacteria and can be removed by abrasive action.

Question 3

adontia

Answer 3

the absence of teeth

Question 4

anterior crossbite

Answer 4

an orthodontic condition in which canine, premolar and molar occlusion is normal but one of moe mandibular incisors are anterior to the maxillary incisors

Question 5

attrition

Answer 5

the wearing awy of teeth by tooth against tooth contact during mastication

Question 6

avulsion

Answer 6

the seperation of the tooth from its alveolus

Question 7

brachygnathia

Answer 7

th lower jaw is markedly lower then the upper jaw

Question 8

calculus

Answer 8

hard mineralized plaque on the tooth surface

Question 9

caries

Answer 9

a demineralization and loss of tooth structure due to the action of microorganiss on carbohydrates`

Question 10

edentulus

Answer 10

without teeth

Question 11

embedded tooth

Answer 11

a tooth that has not emptied into the oral cavity and is not likely to erupt

Question 12

erosion

Answer 12

loss of tooth structure by chemical means not involving bacteria

Question 13

facet

Answer 13

a flattened or worn spot on the surface of the tooth

Question 14

freeway space

Answer 14

the space between the opposing mandibular and maxillary premolar cusps when the mouth is closed

Question 15

fused teeth

Answer 15

the joining of two teeth in development where they have developed from different tooth buds.

Question 16

gemini tooth

Answer 16

the partial division of a tooth bud attempting to form two teeth

Question 17

gingival hyperplasia

Answer 17

a pathological increase in the amoun of normal gingival tissue in a normal arrangement

Question 18

horizontal bone loss

Answer 18

loss of crestal alveolar bone along an arch secondary to periodontal disease

Question 19

impacted tooth

Answer 19

an unerupted or partially erupted tooth that is prevented fro erupting further by any structure

Question 20

level bite

Answer 20

occlusion where the upper and lower incisors meet incisal edge to incisal edge

Question 21

luxation

Answer 21

the displacement or partial displacement of a tooth from its alveolus

Question 22

odontalgia

Answer 22

pain in a tooth

Question 23

oligodontia

Answer 23

reduced number of teeth

Question 24

open bite

Answer 24

the failure of the upper and lower incisors to contact each other when the mouth is closed

Question 25

oronasal fistula

Answer 25

an abnormal opening when the oral and nasal cavity

Question 26

overbite

Answer 26

layman’s term for the upper jaw overlapping the lower jaw

Question 27

periapical abscess/apical abscess

Answer 27

an abscess at the apex of the root, involving the pulp and surrounding apical tissues

Question 28

periodontal abscess

Answer 28

an abscess involving the periodontium

Question 29

periodontal pocket

Answer 29

pathologic increase in the depth of the gingival sulcus with loss of epithelial and periodontal ligament attachments

Question 30

plaque

Answer 30

a thin film covering the teeth composed of bacteria, saliva, food particles and sloughed epithelial cells

Question 31

posterior cross bite

Answer 31

an abnormal occlusion where one or more mandibular premolars or molars occlude buccal to their occlusal partner

Question 32

pulpitis

Answer 32

inflammation of the pulp

Question 33

pyorrhea

Answer 33

a discharge of pus from the peridontium

Question 34

resorption

Answer 34

the loss of substance by a physiologic or pathologic process

Question 35

reverse scissor bite

Answer 35

occlusion where all the lower incisors occlude anterior to the upper incisors

Question 36

root fenestration

Answer 36

a window like opening of bone and gingivia over the root

Question 37

stomatitis

Answer 37

inflammation of the soft tissues of the mouth

Question 38

supernumeary teeth

Answer 38

teeth in excess of their normal number

Question 39

vertical bone loss

Answer 39

bone loss at an acute angle to the oot surface, forming an infrabony pocket

Question 40

wry bite

Answer 40

a maloccclusion in which the midline of the lower jaw does not oppose the midline of the upper jaw