Discolouration of a permanent incisor may have a significant social impact on children and adolescents. Intervention should be minimally destructive of tooth tissue and should not compromise future restorative options. This paper reviews the technique of inside/outside bleaching, and proposes it as an efficient, effective and acceptable method for use in the compliant younger patient with an un...

There has been recent concern about the inadvertent exposure of dentin with patent tubules as well as gingiva to bleaching systems containing 10-15% carbamide peroxide or 2-10% hydrogen peroxide for more than a few minutes. The aims of the present study were: (1) to determine the cytotoxicity of dilutions of hydrogen peroxide in cell culture; (2) to measure hydrogen peroxide diffusion from blea...

In the last years the focus in dentistry has shifted to an "esthetic dentistry" approach, where patients are concerned about reaching a better look of their teeth. Vital tooth bleaching is a technique with immediate results, which improves the appearance and patient's self-esteem. The aim of this study was to recognize personality characteristics determined by the Millon Index of Personality St...

Dental materials in general are tested in different animal models prior to the clinical use in humans, except for bleaching agents. Objectives To evaluate an experimental rat model for comparative studies of bleaching agents, by investigating the influence of different concentrations and application times of H2O2 gel in the pulp tissue during in-office bleaching of rats' vital teeth. Material a...

Bleaching has become the treatment of choice for most tooth discolorations. In-office bleaching and at-home are frequently performed vital techniques. Both these techniques proven to improve discoloration, but unwanted effects can also occur, such as sensitivity increased enamel surface roughness. Tooth is a common side effect procedures on dental hard tissue still matter controversy. This lite...

introduction: bleaching process can affect surface roughness of enamel, which is a vital factor in esthetic and resistance of tooth. the aim of this study was to compare surface roughness of enamel in teeth bleached using diode and neodymium-doped yttrium aluminium garnet (nd: yag) lasers with those bleached using conventional method. methods: in this study, 75 anterior human teeth from upper a...

Tooth discolouration affects esthetics and has a psychological impact on self-confidence behaviour. Treatment modalities include polishing bleaching. The purpose of this case report was to document the effect walking bleach method using 35% hydrogen peroxide esthetics, surrounding tissue. impact. A 39-year-old female patient reported with discolored maxillary left central incisor. On examinatio...

Recently a visually pleasing smile has become major concern for the patients; therefore, dental bleaching gained importance due to its safety and great aesthetic results. A female patient presented with intrinsic discolorated maxillary central incisors after endodontic therapy. Maxillary were isolated rubber dam 2mm of gutta-percha was removed in an apical direction beyond cemento-enamel juncti...