Since its introduction into dentistry in 1989, nightguard vital bleaching has been proven to be a simple and safe procedure to lighten discolored teeth. Efficacy of the technique is 98% for nontetracycline-stained teeth, and with extended treatment time, tetracycline-stained teeth can be expected to lighten in at least 86% of cases. Satisfactory retention of the shade change without re-treatment can be expected in at least 43% at 10 years posttreatment. Side effects are usually mild and transient, disappearing within days of treatment completion with no long-term sequelae. Participants report that they are glad they went through the procedure, and wild recommend the procedure to a friend.
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The Effect of Bleaching on the Basic Colour and Discoloration Susceptibility of Dental Composites.
Acta Med Acad
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Department of Restorative Dentistry with Endodontics, Faculty of Dentistry with Clinics, University of Sarajevo, Bosnia and Herzegovina.
Objectives: To test the influence of a bleaching procedure using 16% carbamide peroxide (CP) on the colour of composite materials and their consecutive subjection to discolouration in beverages.
Materials And Methods: Nanocomposite Z550 (3M ESPE) and the microhybrid Z250 (3M ESPE) composite materials were selected for the research. 16% CP was applied to composite plates (15 samples each material) for seven hours a day for 14 days simulating at-home nightguard vital bleaching.
One-year follow-up comparing at-home bleaching systems outcomes and the impact on patient's satisfaction: Randomized clinical trial.
J Esthet Restor Dent
December 2021
Department of Restorative Dentistry, Institute of Science and Technology, São Paulo State University (UNESP), São Paulo, Brazil.
Objective: To compare at-home systems with reduced daily time of use (10% hydrogen peroxide [HP] gel with prefilled (PT) or customized trays (CT), and 10% carbamide peroxide [CP] gel), with the conventional nightguard vital bleaching (10% CP). Bleaching efficacy, adverse effects, and patient's satisfaction were evaluated.
Methods: Sixty participants were randomly divided into treatments (14 days): Opalescence GO (OGO)-10%HP PT-30 min, White Class-10%HP CT-30 min, Opalescence PF-10%CP CT-2 h, and Opalescence PF-10%CP CT-8 h.
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Saudi Dent J
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Alfarabi Private College for Dentistry and Nursing, Jeddah, Saudi Arabia.
Objectives: Long-term assessment of teeth, dental implants, and their corresponding structures is vital to obtain more data concerning the achievement or disappointment of different treatment modalities in clinical situations.
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Molecular damage and responses of oral keratinocyte to hydrogen peroxide.
BMC Oral Health
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Department of Pharmacy, Chia-Nan University of Pharmacy and Science, Tainan, 71710, Taiwan.
Background: Hydrogen peroxide (HO)-based tooth bleaching reagents have recently increased in popularity and controversy. HO gel (3%) is used in a Nightguard for vital bleaching; transient tooth sensitivity and oral mucosa irritation have been reported. Genotoxicity and carcinogenicity have also been significant concerns.
View Article and Find Full Text PDFEffect of nightguard vital bleaching gel on the color stability of provisional restorative materials.
Indian J Dent Res
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Department of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.
Purpose: To assess the hypothesis that there was no difference in effect of 10% and 15% tooth bleaching agents on color stability of materials used for provisional fixed dental prosthesis.
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