Policy on the Use of dental bleaching for child and adolescent patients

Question 1

What is the range of carbamide peroxide contained in peroxide-containing whiteners or bleaching agents?

Answer 1

10-38%

Carbamide peroxide is the most commonly used active ingredient in dentist-dispensed tooth-bleaching products for home use

Question 2

During in-office bleaching, what is the usually the main cause of tissue irritation

Answer 2

ill fitting tray

not the bleaching agent

Question 3

Which of the following is a side effect of bleaching vital teeth?

a) increased marginal leakage of an existing restoration
b) external root resorption
c) ankylosis

Answer 3

a) increased marginal leakage of an existing restoration

also a side effect of external bleaching of non-vital teeth

others are side effects from internal bleaching of nonvital teeth

Question 4

What byproduct from hydrogen peroxide or carbamide peroxide causes periodontal tissue damage and root resorption?

Answer 4

hydroxyl-free radical

Question 5

T/F: studies have shown lower incidence of root resorption when hydrogen peroxide is mixed with sodium perborate

Answer 5

False

higher incidence