Module 19 ch. 36 Flashcards Preview

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Flashcards in Module 19 ch. 36 Deck (26):
1

A sealant is an _____ (resin) that flows and bonds to the enamel by ______ retention after the ___ process proceeds.

organic polymer
mechanical
etch

2

The acid etch produces _____ in the enamel

irregularities/micropores

3

What are the 3 available types of sealants available.

filled
unfilled
fluoride releasing

4

Self-curing is also called _______

autopolymerized

5

advantages of self-cured sealant material

no special equipment

6

Disadvantages of self-cured sealant material

working time

7

Visible Light-cured sealant material is also called

photopolymerized

8

Disadvantages to visible light cured sealant material

extra costs and time

9

What is the purpose of the filler in a sealant material

increase bond strength
increase resistance to wear

10

What are the 2 components in filled sealant material

glass
quartz

11

Unfilled sealant material is ___ resistant to abrasion

less

12

The benefit of fluoride releasing sealant material is _______

remineralization of incipient caries in pits and fissures

13

Patients with _______ from medications, patients undergoing _________ and patients with _____ Caries all benefit from having sealants

Xerostomia
Orthodontics
Incipient

14

Contraindications for sealants are when there is evidence of adjacent ___ caries and when pit and fissures are _____ or the patient is in ______ caries risk

proximal
coalesced (shallow)
caries

15

_______ handed dentistry is recommended for placing a sealant

4

16

Success of retention depends on the ?

maintaining a dry field during process

17

What 3 methods are used to prep the tooth for a sealant

polishing cup
toothbrush
air-powder polisher

18

You should air dry the tooth for ____ sec

10

19

What are the 3 types of etch?
Which type is best?

Liquid
gel
**Semi-gel

20

What type of etch is used?

15-30% phosphoric acid

21

You should etch for __ to _ sec

15-60

22

Dry the tooth for ____ sec after etching

15-20

23

A tooth is etched adequately if it appears?

chalky white

24

Cure the sealant for ____ sec

20-30

25

Which type of sealants need occlusal adjustment if filled too high?

filled

26

You should examine sealants how often?

each maintenance/recall apt.