Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DM Theory > Week 6 > Flashcards

Week 6 Flashcards

1
Q

Extrinsic stains are stains that occur

A

On the external surface of the tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Black line stain is associated with

A

Iron/copper and sulfur complexes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Clients that have black stain tend to have saliva that has

A

Higher calcium concentrations and higher buffering capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Orange/yellow stain is associated with

A

Chromogenic bacteria from poor oral hygiene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Greenish stain is a result of accumulation of

A

Plaque
Pellicle
Food debris
And pigment producing bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Light brown stain on the teeth are a result of what kind of antimicrobial mouth rinse

A

Chlorhexidine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Intrinsic stains are stains that occur

A

Within the tooth structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

A tetracycline stain results when the drug is administered to mother during what trimester

A

3rd trimester
-or to the child in infancy or early childhood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Tetracycline staining presents how on the teeth

A

Dark yellow to grey brown discolouration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Hypocalcification is usually seen as white, yellow or brownish discolouration and is associated with

A

High fever during enamel formation (metabolic cause)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Endogenous stain is acquired

A

During tooth development

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Exogenous stain is acquired

A

After tooth eruption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the 2 whitening materials

A

Hydrogen peroxide
Carbamide peroxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Whitening hydrogen peroxide can be delivered as what 3 things? What is the concentration

A

Liquid, varnish or gel
Concentration 5-40%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Carbamide peroxide is popular for home whitening. It can be delivered as? What is the concentration

A

Liquid or gel
10-35%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Carbamide peroxide is a _____ oxidizing agent than hydrogen peroxide

A

Weaker

17
Q

Successful bleaching is dependant on ? (8)

A

Cause/type of stain
Degree/intensity of stain
Bleaching agent
Strength of bleaching agent
Duration of treatment
Bleaching technique
Vitality of tooth
Presence of cracks/restoration in tooth

18
Q

The 8 things successful bleaching is dependant on need to have what to determine

A

Radiographs and clinical examination

19
Q

What is an adversity of in office “power whitening” laser whitening

A

High intensity light and lasers might generate heat that can irritate the pulp and contribute to post treatment sensitivity

20
Q

What are the advantages of in office whitening

A

Quick results
Direct supervision
Elimination of compliance issues
Control over the process
Ability to discontinue trx if problems arise
Done for vital and non vital teeth

21
Q

Why should the teeth not be anesthetized during whitening

A

Need to have full feeling in order to determine is teeth are becoming too sensitive and if treatment should be stopped

22
Q

What is the “walking bleach” technique
bleaching of non vital teeth

A

Bleaching material is placed inside the pulp chamber where it stays for several days

23
Q

All internal whitening procedures require that a

A

Seal to be established at base of the endodontic access preparation
(Prevents whitening from leaking out)

24
Q

What should you be aware of with whitening of non vital teeth

A

External root resorption
-whitening agent can cause an inflammatory rxn in periodontal tissues

25
Q

Home whitening- night guard bleaching is popular command cost effective. What is the concentration of carbamide peroxide and hydrogen peroxide

A

10-45% carbamide peroxide
6-15% hydrogen peroxide
(Treatment interval is much longer)

26
Q

Potential side effects of bleaching

A

-Tooth sensitivity
-Irritation to gingiva mucosa and throat
-Soreness of the muscles of mastication and tmj joints from wearing whitening trays overnight

27
Q

Some clients may be

A

Allergic to components of bleaching material

28
Q

To prevent sensitivity and complications what should be done prior to whitening

A

Cavities should be filled
* however may be done prior so place whiter composites

29
Q

Enamel microbes on. Removed

A

Noncarious discolouration

30
Q

In enamel microabrasion what is applied to discolouration for 1 minute then agitated with ribbed rubber cup for an additional one minute

A

An acid slurry made of flour of pumice and 6% hydrochloric acid

31
Q

What are the indications for whitening

A

Discoloured teeth
Surface staining
Isolated brown or white discolouration shallow in the enamel

32
Q

Contraindications of whitening

A

Allergy
Pregnant/nursing
Open carious lesions
Cracked enamel
Sensitive teeth
Leaking restorations
Under age 15

33
Q

When fabricating a bleaching tray, you apply block out material. How many mm thick and how many mm from gingiva

A

O.5mm thick
1.5mm from gingiva

34
Q

With the vacuum former heat tray until material sags 2.5 inches, activate reformer. How many mm do you trim tray from gingival margin

A

0.25mm-0.33mm

DM Theory (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions