fundemental

Question 1

operative dentistry : is the area of dental practice concerned with _____ and _____ of defects in tooth enamel and dentin

Answer 1

prevention and treatment

Question 2

Enamel

Answer 2

provides the shape and hard, durable outer surface of teeth which protects the underlying dentin and pulp

Question 3

provides both color and an elastic foundation for the enamel

Answer 3

dentin

Question 4

pulp is the soft tissue at the center of the tooth that contains blood vessels, nerves, and connective fibers. t/f

Answer 4

True

Question 5

cementum - specialized calcified substance covering the _____

Answer 5

the root of the tooth

Question 6

additional terms
crown&raquo_space;
cervical>
root»
apical»

Answer 6

coronal
tooth neck
radicular
root tip

Question 7

transmissible bacteria infectious oral disease caused primarily by the complex interaction of cariogenic oral flora with fermentable dietery carbohydrates on the tooth surface over time.

Answer 7

dental caries

Question 8

caries is a disease linked to infections by streptococcus mutans. T/F

Answer 8

true

Question 9

is dental caries multifactorial? if so what are the factors ?

Answer 9

yes
host factors
and environmental factors

Question 10

dental plaque

Answer 10

the soft, tenacious film accumulating on the surface of teeth.

Question 11

what are the carious progression ?

Answer 11

1- deminerlization
2- cavitation
3- infected dentin
4- affected dentin

Question 12

demineralization

Answer 12

loss of mineral from tooth structure resulting from a chemical process (acid, diet, caries)

Question 13

breakdown of surface integrity that can be detected using optical or tactile methods. can be confined to enamel or extend into dentin via tubular invasion.

Answer 13

cavitation

Question 14

infected dentin _____
affected dentin______

Answer 14

irreversible deminerlized
partially deminerlaized

Question 15

dentist process of treatment

Answer 15

1- caries diagnosis
2- treatment planning
3- caries management

Question 16

what is the root surface caries

Answer 16

caries occuring on exposed root surface

Question 17

what type of carries occur at junction of restoration and tooth

Answer 17

2ndry (recurrent) caries

Question 18

reversible caries has extended to DEJ

Answer 18

False

Question 19

irreversible caries- the enamel surface has broken and usually _____

Answer 19

advanced to dentin

Question 20

acute caries

Answer 20

disease that rapidaly damages the tooth

Question 21

can be episodic in nature with active and even halted periods of infection

Answer 21

chronic (slow or arrested ) caries

Question 22

abrasion

Answer 22

tooth surface lose from frictional forces

Question 23

loss of tooth surface by chemicals

Answer 23

erosion

Question 24

_____ mechnical wear from opposing teeth

Answer 24

attirtion

Question 25

abfraction is cervical, wedge shaped defects as result of strong eccentric force t/f

Answer 25

True

Question 26

fractures

Answer 26

can be most difficult often challenging defects in teeth to diagnose and treat.

Question 27

father of modern dentistry

Answer 27

GV black

Question 28

external wall

Answer 28

this axial wall touches cavosurface margin

Question 29

this axial wall does not touch the cavosurface margin
A) external wall
B) internal wall

Answer 29

internal wall

Question 30

what are the four forms of tooth preparation

Answer 30

1- outline
2- convenience
3- resistance
4- retention

Question 31

outline form is the shape of the preparation

Answer 31

True

Question 32

outline form consideration

Answer 32

1- access to the lesion
2- extent of the lesion ( lateral spread of caries at the DEJ
3- restorative material to be used
4- esthetics
5- function

Question 33

shape given to the prep to prevent fracture of either the restoration or the tooth

Answer 33

resistance form

Question 34

in most cases the prep is placed ____mm into ____ for 3 reasons
1-
2-
3-

Answer 34

0.5
dentin
to avoid sensitive DEJ
to provide adequate bulk of restorative material
to take advantage of the dentin’s resilience

Question 35

retention form is the shape that prevents restoration from being displaced by tipping or lifitng forces T/F

Answer 35

True

Question 36

retention form consideration

Answer 36

1- primary retention
2- secondary retention
primary always come first

Question 37

shape that allows the needed procedure to be preformed

Answer 37

convenience form