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DENT1207 > Test 2 > Flashcards

Test 2 Flashcards

1
Q

Why isolate?

A

Protect soft and hard tissue not involved in procedure.
Prevents ingestion or aspiration of debris, medication or biomaterials.
Decrease time for dental procedures.
Increases success rate or dental procedures.

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2
Q

What is the biggest worry during a dental procedure which would cause us to isolate?

A

Aspiration of debris, medication or biomaterials.

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3
Q

What are the three levels of isolation?

A

Clear field.
Low saliva technique.
No saliva technique.

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4
Q

Describe clear field isolation

A

Free of obvious debris.
Free of blood and most saliva.
Therapeutic procedures: desentsitizing, surgical, scaling and rootplaning, gingival curettage, extraction.

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5
Q

Describe low saliva isolation

A

Cotton rolls, fingers, dry angles.

Desensiticing, some surgical, root planing, curettage, preventive procedures - fluoride application -trays.

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6
Q

Describe no saliva isolation

A

Rubber dam or garmers.

Endodontics, prosthodontics, pit and fissue sealants.

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7
Q

What does desiccated mean?

A

Bone dry.

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8
Q

How is fluorosis treated?

A

With fluoride

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9
Q

What happens when there is mineralizing but no demineralization?

A

Hypermineralization

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10
Q

What is Sjgrens syndrome?

A

Severe salivary flow reduction

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11
Q

How long does it take till teeth fully mineralize?

A

1 year

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12
Q

What effect does fluoride have on smooth surface demineralization or decay?

A

It improves host resistance.

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13
Q

When would you use fluoride?

A 
Smooth surface demineralization.
Decay.
Adults with recession.
Root caries.
Compromised salivary flow.
Teeth supporting overdenture.
Poor oral health due to physical/mental disability.
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14
Q

What three factors contribute to caries?

A

Susceptible tooth surface.
Cariogenic bacteria.
Dietary fermentable carbs, especially sucrose.

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15
Q

Describe demineralization compared to hypomineralization.

A

Acquired.
Often under plaque.
Usually around gingival margins or interproximals.
May be seen around existing restorations.

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16
Q

Describe hypomineralization to demineralization.

A 
Developmental.
Febrile. (caused by fever)
Usually smooth.
Fluoride: systemic.
Often seen on cusp tips (snow cap fluorosis).
Also seen on facials.
17
Q

Can topical fluoride penetrate thin plaque biofilms?

A

Yes, but ideally we leave client plaque free.

18
Q

How do you apply fluoride?

A 
Apply 10 ml in cup.
Vaseline on clients lips.
Look for lesions
Isolate area.
Dry teeth
Slather fluoride on teeth.
Press.
19
Q

When would you use fluoride varnish?

A

Full mouth caries prevention or localized desensitizing.

20
Q

What does air polish deliver by a stream of air and water.

A

Sodium bicarbonate

21
Q

What does air polishing do?

A

Removes extrinsic stain, plaque and debris from clinical crowns.

22
Q

Can you use air polishing on orthodontic patients and sealant bonding prep?

A

Yes

23
Q

What are indications for use of air polishing

A

Therapeutic and cosmetic.
Removal of plaque, soft debris, extrinsic stain.
Prophylaxis of orthodontic clients.
Sealant/bonding preparation.

24
Q

How much faster is stain removed by air polishing vs curette?

A

3.15 times faster.

25
Q

Is air polishing detrimental to either composite resin or zinc phosphate cement?

A

No, it is not detrimental

26
Q

What is the most effective method of plaque removal for orthodontic clients, without causing breakage of elastics or wires or loss of zinc phosphate or composite material.

A

Air polishing.

27
Q

What is the most time effective method of plaque removal?

A

Air polishing.

28
Q

Which is more abrasive curette or air polishing?

A

curette

29
Q

How is abrasivity of air polishing determined?

A

particle size

shape

30
Q

What is the average root structure removed from hand curette vs air polisher?

A

Hand curette: 27.09 microns.

Air polisher: 10.68 microns.

31
Q

How long are implants treated with air abrasive polishing system?

A

0.5-10 seconds

32
Q

During air polishing, where should nozzle be placed?

A

Tip 3-4mm away from the tooth.

33
Q

During air polishing, how should nozzle be angulated?

A

Slightly apically.
Anterior: 60 degrees
Posterior: 80 degrees
Occlusal: 90 degrees.

34
Q

What is JET-Fresh?

A 
Revolutionary.
Equipment friendly.
Sodium-free.
Refreshing taste.
Stain removal ability.
Insoluable.

DENT1207 (3 decks)

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