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Dental Bleaching Methods

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Questions and Answers

What is the primary purpose of bleaching in dentistry?

To restore the shape of the tooth
To remove plaque and tartar from the tooth surface
To reduce the pulp size
To oxidize certain coloring organic compounds to render them colorless (correct)

What is the role of the oxidizing agent in the oxidation-reduction reaction during bleaching?

To accept electrons from the tooth
To donate free radicals with unpaired electrons to the tooth (correct)
To provide electrons to the tooth
To reduce the tooth's color

What type of bleaching is used for teeth with vital pulps?

Root canal treatment
Intra-coronal bleaching
Extra-coronal bleaching (correct)
Vital pulpotomy

What is the concentration of hydrogen peroxide typically used in in-office bleaching?

30-35% hydrogen peroxide (C) Signup and view all the answers

What is the effect of heat application on the bleaching process?

It accelerates the bleaching process (A) Signup and view all the answers

What is the other name for extra-coronal bleaching?

Vital bleaching (D) Signup and view all the answers

What is the alternative to hydrogen peroxide in in-office bleaching?

Carbamide peroxide (D) Signup and view all the answers

What is the purpose of the reducing agent in the oxidation-reduction reaction during bleaching?

To accept electrons from the tooth (A) Signup and view all the answers

What is the type of bleaching that involves the use of a resin luting cement?

Indirect veneering (C) Signup and view all the answers

What is the duration of the in-office bleaching application?

10 minutes (B) Signup and view all the answers