Types of Tooth Bleaching/Tooth Whitening in Vital Teeth


Types of Tooth Bleaching/Tooth Whitening Procedures for Tooth Discoloration

Tooth bleaching can be categorized into vital and non-vital bleaching, depending on the condition of the tooth.  Vital teeth are the teeth that have viable pulp.

Vital tooth bleaching

There are three fundamental approaches for bleaching vital teeth:

In-office bleach 

A high concentration of tooth-whitening agents (25–40% hydrogen peroxide) is used.  It is a completely controlled procedure as the dentist can stop it when the desired shade/effect is achieved.

At-home or dentist-supervised night-guard bleaching

It basically involves the use of a low concentration of whitening agent (10–20% carbamide peroxide, which equals 3.5–6.5% hydrogen peroxide).  This treatment is carried out by the patients themselves, but it should be supervised by dentists during recall visits.  The bleaching gel is applied to the teeth through a custom-fabricated mouth guard worn at night for at least 2 weeks.

Over-the-counter (OTC) bleaching products

These are composed of a low concentration of whitening agent (3–6% hydrogen peroxide) and are self-applied to the teeth via gum shields, strips, or paint-on product formats.  They are also available as whitening dentifrices, pre-fabricated trays, whitening strips, and toothpaste. They should be applied twice per day for up to 2 weeks. 

Bleaching, Tooth Whitening, Tooth Discoloration, Tooth Stains, Teeth

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