A clinical evaluation of carbamide peroxide and hydrogen peroxide whitening agents during daytime use

Article Abstract:

Twenty percent carbamide peroxide and 7.5% hydrogen peroxide are both effective tooth bleaching agents for daytime use, according to a study of 24 patients. Neither product produced significant gum damage or tooth sensitivity.

Evaluation, Cover Story, Bleaching materials, Bleaches

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A three-year clinical evaluation of two dentin bonding agents

Article Abstract:

A study of a new restorative called giomer composite and a microfilled composite, which are dentin bonding agents that will determine retention, anatomical form, caries staining, marginal discoloration, marginal adaptation, surface roughness and sensitivity is presented. The results show that both giomer composite and the microfilled composite can be used in Class V lesions.

Science & research, Research, Pit and fissure sealants (Dentistry), Dental sealants

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In vivo degradation of bleaching gel used in whitening teeth

Article Abstract:

The bleaching agent in tooth bleaching kits appears to last for as long as 10 hours. These kits are sold for home use and require the user to wear a mouthpiece containing the gel for long periods of time. At various times during a 10-hour period, researchers measured the amount of carbamide peroxide in a bleaching gel worn by patients. Carbamide peroxide is the bleaching agent used in many kits. Two hours after application, about half the amount of carbamide peroxide remained, and at 10 hours, 10% remained.

Measurement, Peroxides

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