Results: 237

Does the use of reservoirs have any impact on the efficacy of at-home bleaching? a systematic review

Braz. dent. j; 30 (3), 2019
Abstract To answer the following focused question through a systematic review: "Are the risk and intensity of tooth sensitivity (TS) and bleaching efficacy different between adult patients who undergo at-home bleaching using trays with reservoirs and those who use trays without reservoirs?". A comprehens...

Ultrastructural Alterations and Physical Changes on Bovine Dentin After Internal Bleaching with 35 % Hydrogen Peroxide

ABSTRACT: The aim of the study was to investigate the effect of internal bleaching on physical proprieties and ultrastructure of the bovine dentin.40 bovine incisors were used, divided in four experimental groups: control group, composed by teeth that did not receive the bleaching agent (G1); teeth submi...

Effectiveness of over-the-counter tooth-whitening strips and toothbrushing for stain removal

RFO UPF; 24 (1), 2019
Objective: The present study compared the effectiveness of over-the-counter tooth-whitening strips and too-thbrushing for stain removal. Materials and method: Forty bovine teeth were subjected to initial color re-adings and divided into two groups: 20 teeth were stained with grape juice fo...

Efeito do uso e do momento de aplicação de dentifrícios dessensibilizantes na cor, refletividade, rugosidade e nanodureza do esmalte clareado

Este estudo in vitro teve como objetivo investigar o efeito de dentifrícios dessensibilizantes aplicados antes ou após o clareamento dental na cor, na refletividade (SRI), na rugosidade (Ra, RMS) e na nanodureza (NH) da superfície do esmalte. A reprodutibilidade das medidas de SRI e a sua associação...

Clareamento dentário com LED violeta: efeitos na alteração cromática, resistência de união, nanodureza da camada híbrida e resistência do colágeno

O propósito deste projeto foi investigar a alteração cromática, resistência de união de restaurações resinosas à dentina, bem como analisar nanodureza da camada híbrida e a resistência coesiva do colágeno dentinário, após realização de diferentes técnicas clareadoras. Para tanto, 75 dent...

Desire of university students for esthetic treatment and tooth bleaching: a cross-sectional study

Braz. j. oral sci; 18 (), 2019
Aim: The aim of this study was to investigate the prevalence of the desire of university students for esthetic treatment and tooth bleaching, and associated factors. Methods: A cross-sectional study was performed in 2016 with first-semester university students in Pelotas. Data was collected via a self-ad...

Resolution of a fluorosis case through the association of minimally invasive techniques: microabrasion and tooth bleaching

Braz. j. oral sci; 18 (), 2019
Color changes may interfere with smile balance and they represent a clinical challenge to dentists. Dental fluorosis originates from intrinsic factors and it is a disorder of enamel formation during the phase of teeth development, resulting in the change of enamel color. This clinical case report aimed t...

Restabelecimento da estética do sorriso com laminados cerâmicos: relato de caso

Rev. Ciênc. Plur; 5 (3), 2019
Introdução:A estética é uma preocupação do ser humano, tendo o sorriso nesse contexto um papel fundamental. Dessa forma, os laminados cerâmicos, caracterizados pelo recobrimento da face vestibular do elemento dental e restabelecimento estético do sorriso, com desgaste mini...

Harmonização do sorriso com Gengivoplastia e resina composta: Relato de caso

Rev. Ciênc. Plur; 5 (3), 2019
Introdução:A busca pela estética é o fator que impulsiona a realização de procedimentos que proporcionem simetria tanto por meio de procedimentos cirúrgicos como restauradores. O avanço dos materiais odontológicos diretos, em conjunto com os sistem...

Effect of dental bleaching on pulp oxygen saturation in maxillary central incisors - a randomized clinical trial

J. appl. oral sci; 27 (), 2019
Abstract Objective To assess pulp oxygen saturation levels (SaO2) in maxillary central incisors after dental bleaching. Materials and Methods 80 participants (160 teeth) were randomly allocated to four groups: G1 In-office bleaching with two applications of 35% hydrogen peroxide (HP) (20 minutes), fo...