Question 1

A computerized occlusal analysis system, T-Scan â III, can provide vivid graphics of the patient's occlusion.

Accepted Answer

The T-Scan III is a computerized occlusal analysis system that can provide vivid graphics of the patient's occlusion.

Question 2

Bleaching materials that require the use of bleaching heat and/or light sources are used for approximately ____ minutes.

Accepted Answer

Materials that require the use of bleaching heat and/or light sources typically need to be processed for a longer period of time to achieve the desired effect. 30 minutes is a reasonable estimate for this type of bleaching. Option A, 10 minutes, is too short a time frame for this type of bleaching. Option B, 4 minutes, is even shorter and is not a recommended time frame for any type of bleaching. Option D, 6 minutes, may be an appropriate time frame for some types of bleaching, but not for those that require the use of heat and/or light sources.

Question 3

Bleaching agent(s) for enamel is (are) ____________.

Accepted Answer

All of the above options (sodium perborate, carbamide peroxide, and hydrogen peroxide) are commonly used as bleaching agents for enamel. Different concentrations and application methods may be used, depending on the specific treatment plan and desired outcome.

Question 4

Tray home whitening systems can be sold OTC. Which of the following are disadvantages of tray systems sold OTC?

Accepted Answer

Tray home whitening systems sold OTC often do not adapt to teeth properly and are not trimmed to prevent tissue sensitivity, which can result in uneven whitening and potential irritation or harm to the gums.

Question 5

The ADA Seal indicates the abrasive particles in the toothpaste do not exceed the maximum acceptable abrasive.

Accepted Answer

The ADA Seal indicates that toothpaste has been tested and found to be safe and effective, including having abrasive particles that do not exceed the maximum acceptable level. Therefore, the statement is true.

Question 6

Whitening strips are an alternative OTC product for whitening. To achieve the desired results, the strips are to be worn for ____ minutes a day.

Accepted Answer

Whitening strips are usually worn for about 30 minutes a day to achieve the desired results.

Question 7

__________ bleaching in a nonvital tooth is a thick mixture of bleaching agent placed in the crown of the tooth, covered with temporary cement, and reappointed in 2 to 5 days.

Accepted Answer

Walking bleaching is the technique described, where a bleaching agent is placed inside the nonvital tooth and temporarily sealed for a period before reassessment.

Question 8

Dehydration may cause the teeth to be less sensitive during the procedure.

Accepted Answer

Dehydration can lead to decreased saliva production, which is important for maintaining oral health and can actually increase tooth sensitivity, not decrease it.

Question 9

Which of the following will assist the outcome possibilities of the bleaching procedure?

Accepted Answer

Dedication to following procedures, limiting foods and habits that stain teeth will all assist in achieving optimal results with the bleaching procedure.

Question 10

Home bleaching usually involves ____________.

Accepted Answer

The answer of Home bleaching usually involves ____________.
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Question 11

"Power bleaching" is done on ____________.

Accepted Answer

Power bleaching is a dental procedure that is done in the dental office by the dentist. It involves the use of a high concentration bleaching gel and a special light or laser to significantly lighten the teeth in a short amount of time. It is not recommended for patients to try to do power bleaching at home.

Question 12

__________ bleaching is placed in the crown opening of the tooth of a nonvital tooth.

Accepted Answer

In this specific scenario, gel bleaching is the only appropriate choice as it allows for precise placement in the crown opening of the tooth. Power and assisted bleaching methods may not be suitable for this specific location.

Question 13

__________ bleaching is an alternative technique for which the dental office provides the start-up.

Accepted Answer

Power bleaching is a professional, in-office bleaching technique that requires equipment that can only be provided by a dental office. Assisted bleaching may refer to at-home bleaching kits provided by a dental professional, but these still require the patient to perform the actual bleaching at home, so it is not a fully alternative technique. OTC (over-the-counter) bleaching is a non-professional option that does not require a dental office start-up. Walking is not a relevant term for bleaching techniques.

Question 14

Tooth sensitivity is sometimes treated with sodium fluoride treatments.

Accepted Answer

Sodium fluoride treatments can help with tooth sensitivity by strengthening the tooth enamel and reducing the transmission of sensation from the tooth surface to the nerve.

Question 15

A patient whose anterior teeth appear to be shorter than normal may consider a procedure called crown lengthening.

Accepted Answer

Crown lengthening is a dental procedure where the gum tissue and sometimes the bone are reshaped to expose more of the tooth's structure. This can be done for functional reasons, such as to prepare a tooth for a crown or filling, or for cosmetic reasons, such as to make teeth appear longer and more proportionate.

Question 16

"Walking bleach" is done on ____________.

Accepted Answer

Walking bleach is a technique used to whiten nonvital teeth, which means teeth that have had root canal treatment and are no longer alive. It is not done at home by the patient. Therefore, the correct choice is B.

Question 17

Teeth dehydrate when they are isolated for a period of time and may appear whiter.

Accepted Answer

Teeth can dehydrate when isolated from saliva and other moisture, which can lead to temporary whitening. However, this is not a recommended or safe method for achieving whiter teeth.

Question 18

The bleaching process will make all teeth their whitest and brightest.

Accepted Answer

The bleaching process may not completely whiten or brighten teeth to the same extent for everyone. The results can depend on factors such as the intensity of the stains and the natural color of the teeth.

Question 19

The no-heat bleaching materials used for vital teeth are applied every ____ minutes.

Accepted Answer

No-heat bleaching materials used for vital teeth are typically applied for 10 minutes per session.

Question 20

Home bleaching is very popular with patients because of the lower cost.

Accepted Answer

Home bleaching is generally less expensive than professional in-office bleaching, which makes it a more popular option among patients.

Quiz 35: Cosmetic Dentistry and Whitening