Costley Module 11 ch 17 Flashcards Preview

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Flashcards in Costley Module 11 ch 17 Deck (69)
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1

Amelogenesis

Production and development of enamel

2

Avulsion

The tearing away or forcible separation of a structure

3

Bruxism

oral habit

4

A carious lesion that has become stationary and does not show a tendency to progress further is termed

Arrested Caries

5

Primary caries occurs on a surface ______

not previously affected

6

Recurrent Caries occurs?

On a surface adjacent to a restoration

7

Under development of a tissue or organ is termed

Hypoplasia

8

Idiopathic

Condition of unknown cause

9

An early lesion can be referred to as _____ caries

Incipient (beginning)

10

Neutral P.H.

7.0

11

The PH at which demineralization occurs is termed _________
what is the value for enamel?
what is the value for cementum?

Critical PH
4.5-5.5
6.0-6.7

12

Mixed Dentition occurs between ages __ and ____

6
12

13

Roots are normally completely formed how long after eruption?

3 yrs.

14

A Hereditary disorder of the enamel is_____ the enamel may have a _____color

Amelogenesis Imperfecta
Brown

15

Systemic causes for enamel malformation are also called ______ or "--------"

Environmental
Chronologic Hypoplasia

16

A Systemic Enamel Malformation that is "single narrow zone" last a _____ period of time

short

17

The teeth most frequently affected by Systemic Enamel Malformations are?

1st Molars
Incisors
Canines

18

What STD can cause enamel malformations

Syphilis

19

Attrition

Wearing away of the tooth due to occlsion

20

Attrition can be found on what surfaces of the teeth

Occlusal
Incisal
Proximal

21

Predisposing factors to Bruxism include

Tension
Occlusal Interferences
Psychological Problems

22

Initial VS Advanced Attrition Signs

slight flattening - on cusp tip/ridge
Gradual reduction in cusp height: flattening of incisal or occlusal plane

23

Erosion is the loss of tooth structure by what process?

Chemical

24

Erosion is typically seen on what surfaces of the teeth

Lingual or Facial

25

______ _______ (Erosion) affects the lingual surfaces of anterior teeth

Chronic Vomiting

26

What are some examples of Extrinsic sources of enamel erosion

Lemons
Carbonated Beverages
Diet
Atmospheric Acids

27

The appearance of enamel erosion can vary from shallow _______ depressions to deep ______ grooves.

saucer-like
wedge-shaped

28

Abrasion is caused by

mechanical wearing by forces other than chewing.

29

Enamel Abrasion typically occurs at what surfaces

Exposed root surfaces
Incisal edge or occlusal surface

30

Enamel Abrasion can be caused by vigorous ________ and _______ causes

horizontal brushing
occupational (holding things between teeth)