Tooth discoloration varies in etiology, appearance, localization, severity, and adhesion to
tooth structure. It can be defined as being extrinsic or intrinsic on the basis of localization …

Objective: Internal and external bleaching procedures utilizing 3–35% hydrogen peroxide
solutions or hydrogen peroxide releasing agents, such as carbamide peroxide or sodium …

Internal bleaching procedures such as the walking bleach technique can be used for
whitening of discoloured root‐filled teeth. The walking bleach technique is performed by …

The aim of this study was to evaluate the surface roughness, microhardness and
morphology of human enamel exposed to six bleaching agents (at baseline and post …

Oxygen inhibits polymerization of resin-based materials. We hypothesized that
compromised bonding to bleached enamel can be reversed with sodium ascorbate, an anti …

Depending on etiology, the esthetic treatment of dyschromia may involve vital tooth--
bleaching techniques. Hydrogen peroxide is the active molecule used for such procedures; …

summary The purpose of this study was to comparatively investigate the effect of antioxidant
treatment and delayed bonding after bleaching with three different concentrations of …

Managing tooth discolouration involves a range of different protocols for clinicians and
patients in order to achieve an aesthetic result. There is an increasing public awareness in …

Effect of Grape Seed Extract on the Bond Strength of Bleached Enamel | Operative Dentistry
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Objectives. The aim of this study was to evaluate the effects of low concentrations of
carbamide peroxide bleaching agents (CP) on the ultimate tensile strength of enamel (UTS) …