Results 61 to 70 of about 2,883 (223)

Can discolored dental composites be bleached in depth? [PDF]

Restorative Dentistry & Endodontics
ObjectivesPrevious in vitro studies determined the whitening effects of bleaching products on stained resin composite surfaces. This in vitro study aimed to verify the effectiveness of a whitening system on composite resin previously subjected to ...
Luca Giachetti, Daniele Scaminaci Russo, Michele Nieri, Francesca Cinelli   +3 more
doaj   +1 more source

Evaluation of the Pulp Oxygen Saturation Reading after Tooth Bleaching: A Randomized Clinical Trial

International Journal of Dentistry, 2022
Objectives. The purpose of this clinical trial was to evaluate the influence of in-office dental bleaching on the pulp oxygen saturation (SpO2p) reading. Material and Methods.
Dilma Helena Neves Henriques, Ana Maria Hecke Alves, Larissa Fernanda Pottmaier, Lucas da Fonseca Roberti Garcia, Eduardo Antunes Bortoluzzi, Cleonice Silveira Teixeira   +5 more
doaj   +1 more source

High‐Concentration Hydrogen Peroxide Gels Containing Calcium Polyphosphate Associated With Violet Led Light: Bleaching Efficacy and Effects on Enamel Properties

Journal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objectives To evaluate the effect of violet LED light (VL) and hydrogen peroxide (HP) in‐office bleaching gels supplemented with calcium polyphosphate (CaPP) or calcium gluconate (GU): Materials and Methods Bovine enamel blocks (n = 10) were randomly assigned: commercial HP gel, commercial HP gel with GU, or experimental 35% HP with or without
Hemanuelly Albuquerque dos Anjos, Débora Alves Nunes Leite Lima, Carolina Meneghin Barbosa, Klaus Rischka, Waldemir Francisco Vieira‐Junior   +4 more
wiley   +1 more source

Avaliação clínica do efeito de diferentes unidades de ativação sobre o clareamento dental [PDF]

, 2006
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-Graduação em OdontologiaEste trabalho teve como objetivo avaliar clinicamente a alteração de cor e sua estabilidade, a sensibilidade dental e a ...
Marson, Fabiano Carlos
core  

Evaluation of the effects of whitening mouth rinses combined with conventional tooth bleaching treatments [PDF]

Restorative Dentistry & Endodontics, 2019
ObjectivesThe aim of the present study was to evaluate the effect of whitening mouth rinses alone and in combination with conventional whitening treatments on color, microhardness, and surface roughness changes in enamel specimens.Materials and MethodsA ...
Jaqueline Costa Favaro, Omar Geha, Ricardo Danil Guiraldo, Murilo Baena Lopes, Andreza Maria Fábio Aranha, Sandrine Bittencourt Berger   +5 more
doaj   +1 more source

Assessment of Oxygen Expansion during Internal Bleaching with Enamel and Dentin: A Comparative In Vitro Study

Dentistry Journal, 2021
Internal bleaching is a conservative, non-invasive, and simple treatment that is frequently performed in daily clinical practice. The present in vitro study analyzes the oxygen expansion of different bleaching agents resulting from the oxidation reaction
Alba Pallarés-Serrano, Sandra Pallarés-Serrano, Antonio Pallarés-Serrano, Antonio Pallarés-Sabater   +3 more
doaj   +1 more source

Effects of Bleaching Protocols on the Esthetic Outcome and Surface Integrity of Enamel Treated With an Ammonia‐Free Silver Fluoride Solution

Journal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective To investigate the effects of three bleaching protocols on the color stability and surface roughness of enamel previously treated with a water‐based, ammonia‐free silver fluoride solution (Riva Star Aqua). Materials and Methods Eighty‐eight human enamel/dentin specimens were demineralized and treated with Riva Star Aqua, divided into
Ahmed Alshawi, Fadimeana Lal, Esra Yildiz, Sevda Ozel Yildiz, Ugur Erdemir   +4 more
wiley   +1 more source

Influência do tempo de uso de um gel clareador à base de peróxido de carbamida a 10% na microdureza superficial do esmalte: um estudo in situ [PDF]

, 2002
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-Graduação em OdontologiaCom o objetivo de avaliar a influência de dois regimes clareadores na microdureza superficial do esmalte, foi realizado ...
Araujo Junior, Edson Medeiros de
core  

Clinical Evaluation of 6-Month Efficacy of 40% in-Office Whitening Treatment

Pesquisa Brasileira em Odontopediatria e Clínica Integrada, 2021
Objective: To assess the 6-month efficacy of natural tooth color change in in-office bleaching treatment in terms of time by using a spectrophotometer. Material and Methods: A total of 20 participants were chairside treated with 40% hydrogen peroxide (HP)
Amar Piknjač, Dubravka Knezović Zlatarić   +1 more
doaj  

Effects of Light Activation, Agent Concentration, and Tooth Thickness on Dental Sensitivity After Bleaching [PDF]

Operative Dentistry, 2013
SUMMARYExamining three bleaching systems, this in vivo clinical trial evaluated the relationship among tooth sensitivity, light activation, and agent concentration, and it correlated dental sensitivity with tooth thickness.Materials and Methods:Eighty-seven volunteer patients were included. Inclusion criteria were the presence of anterior teeth without
Moncada, G., Sepulveda, D., Elphick, K., Contente, M., Estay, J., Bahamondes, V., Fernandez, E., Oliveira, O. B., Martin, J.   +8 more
openaire   +4 more sources