Exam 2: Sealants!! Flashcards Preview

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Flashcards in Exam 2: Sealants!! Deck (50):
1

Sealants are thin _____ coatings bonded to enamel to act as a physical barrier to bacteria.

resin

2

What is the most popular type of unfilled resin used in sealants?

Bis-GMA (BISphenol A - Glycidyl MethAcrylate)

3

If a sealant does have a filler, what is the typical range of % filler in the sealant?

6-50%

4

What are the two ways to cure a sealant?

1.Chemical 2. Light

5

When light curing a sealant, it takes ___ seconds, uses visible ____ light, and you hold it __ mm from the tooth.

20 seconds, blue, 1mm

6

Review: Caries Epidemiology--___% of children 6-19 years had dental caries in their permanent teeth. AND A small group (20%) of kids had ___% of the caries – these are kids in high risk groups

42%...80%

7

Sealants can reduce caries by ___% at 4 years after placement.

75%!!!

8

Sealants can ______ the progression of incipient caries up to 70%.

ARREST

9

When the tooth is partially erupted (and we can't maintain moisture control), what do we use instead of a sealant?

A Glass Ionomer

10

ADA Guidelines: The use of _______ is not necessary for the detection of early lesions.

explorers

11

ADA Guidelines: The clinician should use recent ________, if available, in the decision-making process but should not obtain radiographs for the sole purpose of placing sealants.

radiographs

12

ADA Guidelines: There are many technologies that detect caries. Recent reviews suggest that these devices should be used only as _______ devices.

adjunctive

13

ADA Guidelines: These devices should serve primarily as a support tool for making preventive treatment plan decisions in conjunction with ________.

CAMBRA

14

Risk Factors to determine Sealant Use: Age---Newly erupted enamel needs to undergo a _______ process. Daily acid attacks & surface ion exchange gradually replaces the _______ inclusions with F & more insoluble mineral complexes.

maturation....carbonate

15

Risk Factors to determine Sealant Use: What are the 2 most caries susceptible teeth?

1. Lower molars (50%) 2.Upper Molars (35-40%)....THE REST-it goes highest risk in posterior and lowest risk in anterior.

16

Risk Factors to determine Sealant Use: Fissures with ______ DO NOT SEAL.

OBVIOUS CARIES

17

When doing a sealant, these two burs are handy in case of a FISSUREOTOMY!!!

1/4 round bur AND 132F diamond

18

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?!

1. Isolate with rubber dam 2. Cleanse with pumice and brush 3. Rinse and dry thoroughly 4. Apply acid for 20 seconds 5. Rinse and dry completely. If contaminated, re-etch 15 sec. 6. Apply sealant with brush or syringe 7. Cure 20 sec. each area 8. Check retention, occlusion, and contacts

19

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?!...#1-Isolate with a _______.

Rubber Dam

20

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?! #2-Cleans with ______ and a brush.

pumice

21

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?! #3-Rinse and ____ thoroughly.

DRY

22

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?! #4-Apply acid for ___ seconds.

20 seconds

23

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?! #5 Rinse and _____ completely. IF CONTAMINATED, re-ETCH for ___ seconds.

DRY!!!.....15 seconds

24

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?! #6- Apply the ______ with a brush or syringe.

sealant

25

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?! #7--CURE for ___ seconds in EACH area.

20 seconds

26

OWN THIS: WHAT ARE THE 8 STEPS TO APPLY A SEALANT?!?! #8-Check retention, ______, and contacts.

occlusion

27

When placing sealants, working with an _______ will IMPROVE the overall retention rate!

assistant (they help keep it DRY!)

28

When giving patient instructions: give them a great _____ line and always use ______ encouragement and dialogue, its ESSENTIAL!!!

story line...positive

29

To isolate the teeth, which method is the best? Cotton rolls? Dri-Angles? Rubber Dam?

Rubber Dam!

30

When placing a Dri-Angle, the cotton side faces the patient's ______.

cheek

31

When pumicing the tooth first, do not use ______ polishing pastes.

flavored

32

What are the 2 approaches to placing a sealant? (which one is most commonly used?)

1.non-invasive= routine-90%....2.invasive-fissurotomy

33

The normal % _______ acid in etch is 35-50%.

Phosphoric Acid

34

Deciduous teeth are etched ___ longer.

2x

35

Etching makes ______ tags, which will create ________ retention.

resin...micromechanical

36

If you are going to go the extra mile and use a bond, make sure you use one WITHOUT ______.

Self-etch

37

When applying the sealant, place it in the groove/pit with the _____ elevation and let ______ flow it evenly.

highest...gravity!

38

After placing the sealant remove bubbles/voids with ______.

an explorer

39

Cure the sealant for a minimum of ___ seconds, but Dr. H prefers to cure for _______.

20 seconds...1 minute

40

WHAT IS THE FIRST THING YOU DO AFTER CURING THE SEALANT???? What are the 3 reasons for doing this?

Rinse the teeth or wipe with gauze!!! 1. Removes Oxygen Inhibited Layer 2. Removes bad taste 3. Reduces BPA exposure (xenon-estrogen)

41

What are the two burs we use to adjust occlusion after placing a sealant????

1.Ultrafine football diamond 2. #7404 (multi fluted carbide)

42

Lastly after getting occlusion correct, _____ to check the contacts and give _______ to child AND parent.

floss....home care instructions

43

How long does the patient have to wait to eat after a sealant?

They don't! As long as they are not numb...TRY to stay away from hard foods though for a day.

44

When I enter the sealant procedure into the patient's chart, I add: the ____, the ____ and surfaces sealed, the ______ and rationale for Tx, how I ______ from saliva and the ______ I used to seal, and that I gave ______ to kid and parent.

date, tooth, diagnosis, isolated, materials, post-op instructions

45

What is the most common failure of sealants related to? What are some other reasons?

moisture! not enough isolation...then oil from paste or air/water syringe.. not enough etch, and occlusion

46

Most sealant failures will show up within the first ___-___ months. Where all or part of the sealant will come off.

3-6 months

47

When checking previous sealants, check for discolorations around the ______ of the sealant and _____ the sealant.

margins....underneath

48

If a sealant is partially lost: reduce & _______ remaining sealant. Pumice tooth, _____ & reapply sealant. Or remove ____ of remaining material and reapply following the initial procedure.

roughen...etch...ALL

49

What is a major benefit of the temporary GI for hard to control moisture situations?

Fluoride Release!!

50

In a GI situation, full eruption of molars can take ___-___ months.

6-12 months.