نتایج جستجو برای: tooth bleaching agents

تعداد نتایج: 451679  

Journal: :International endodontic journal 2017
L L Ferreira J E Gomes-Filho F Benetti M Carminatti E Ervolino A L F Briso L T A Cintra

AIM To evaluate the influence of tooth bleaching on immunoregulatory cytokines production (IL-6, Tumour necrosis factor (TNF)-α and IL-17) in the pulp tissue of normoglycaemic and diabetic rats. METHODOLOGY Twenty-eight rats were divided into normoglycaemic and diabetic rats (n = 14). Diabetes mellitus (DM) was induced with a single dose of alloxan diluted in citrate buffer via intramuscular ...

Journal: :Dental update 2011
Martin G D Kelleher Serpil Djemal Ahmed S Al-Khayatt J Ray-Chaudhuri Peter F A Briggs Richard W J Porter

UNLABELLED Older people who remain reasonably well may wish to maintain or enhance their dental and oral appearance, preferably at minimal biologic and financial costs. Bleaching and bonding represents a very good treatment option and a sensible strategy for this group. Bleaching addresses the discoloration, while direct composite bonding can improve the shape of worn, or otherwise unaesthetic,...

Journal: :General dentistry 2014
Nicholas Marongiu Todd Cochran

Traumatized teeth can bleed internally, causing discoloration over time. When this occurs in the smile zone, masking the dark colorations can present challenges when attempting to practice conservative cosmetic dentistry. Implementing nonvital bleaching can significantly improve the dark colorations of the traumatized teeth and support very conservative cosmetic dentistry. Effective communicati...

2015
Muhammet Karadas

Objective: This study aimed to evaluate the effect of whitening toothpastes and mouthrinses on the color stability of teeth bleached with 16% carbamide peroxide (CP) after immersion in coffee solution. Materials and methods: Specimens obtained from bovine incisors were bleached with 16% CP for 14 days. After bleaching, the specimens were stained in coffee solution for 24 h and randomly divided ...

Journal: :Indian journal of dental research : official publication of Indian Society for Dental Research 2014
Renato Herman Sundfeld Daniel Sundfeld Neto Lucas Silveira Machado Fernanda Garcia de Oliveira Rodrigo Sversut de Alexandre Renato Mioto Palo Maria Lúcia M M Sundefeld

CONTEXT The possibility of bleaching vital teeth with peroxide-based products considerably revolutionized esthetic dentistry. AIM The aim of this clinical study was to evaluate tooth color change and dental sensitivity after exposure to preloaded film containing a 10% hydrogen peroxide whitening system (Opalescence Trθswhite Supreme). MATERIALS AND METHODS A total of 13 volunteers, aged 18 ...

Journal: :Operative dentistry 2009
Bruce A Matis Michael A Cochran Ge Wang George J Eckert

This study evaluated the degree of color change of teeth, the rebound effect and the sensitivities of teeth and gingiva associated with the use of an in-office bleaching agent followed by an at-home bleaching agent to lighten stained teeth in an in vivo study. Thirty-seven subjects who met the Inclusion/Exclusion criteria were divided into two cells. Twenty-five subjects received three 15-minut...

ژورنال: کومش 2021

Introduction: Increase in enamel surface roughness after bleaching is one of its major side effects. The purpose of this study is to compare changes in enamel surface roughness following bleaching with home versus office bleaching agents. Materials and Methods: In this experimental study, forty human sound premolar teeth were divided into 4 groups, randomly. Ten teeth were bleached using hydrog...

Journal: :Journal of the American Dental Association 2010
Paula C Cardoso Alessandra Reis Alessandro Loguercio Luiz C C Vieira Luiz N Baratieri

BACKGROUND The daily application time for 10 percent carbamide peroxide (CP) typically is between four and eight hours. However, to the authors' knowledge, no investigators in clinical studies have compared different application times; this is the aim of this study. METHODS The authors recruited 60 patients and categorized each of them into one of four groups. All participants used 10 percent...

Journal: :Dental materials journal 2009
Toshiaki Ushigome Shinji Takemoto Masayuki Hattori Masao Yoshinari Eiji Kawada Yutaka Oda

Carbamide peroxide and hydrogen peroxide are used as the main agents in vital tooth bleaching. In this study, the influence of peroxide treatment on cross-sectional morphology and mechanical property was investigated. A 3 x 5-mm window of enamel on the labial surface of a bovine tooth was exposed to immersion in 10% or 30% carbamide peroxide or hydrogen peroxide for 30 or 180 min. After immersi...

Journal: :Oral 2022

The increase in aesthetic demands has increased the use of ceramic dental restorations dentistry. Ceramic are bonded to tooth structure using adhesives. There is a lack standard guidelines terms post-bleaching time intervals and bond strengths restorations. Bleaching products have also been stated affect morphology enamel. Therefore, purpose this systematic review evaluate strength between enam...

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