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Vital tooth bleaching

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https://www.readbyqxmd.com/read/27530080/evaluating-a-cobalt-tetraphenylporphyrin-complex-functionalized-with-a-reduced-graphene-oxide-nanocomposite-for-improved-tooth-whitening
#1
I-Hsuan Su, Chen-Fu Lee, Yu-Pin Su, Lai-Hao Wang
OBJECTIVES: To study using cobalt-tetraphenylporphyrin/reduced graphene oxide (CoTPP/RGO), a nanocomposite highly catalytic both for oxidizing and for reducing hydrogen peroxide (H2 O2 ), to whiten teeth. METHODS: Dyes (D&C Red 34, Orange No. 4), tea, and betel nuts (Areca catechu) were used to stain the tooth specimens for three days and subsequently bleached using H2 O2 alone, H2 O2 plus CoTPP, or H2 O2 plus CoTPP/RGO for 0.5-70 hours. The process was photographed using an electronic chromometer and a camera...
September 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27471803/efficacy-and-stability-of-two-in-office-bleaching-agents-in-adolescents-12-months-follow-up
#2
Ayca Bacaksiz, Ozlem Tulunoglu, Ibrahim Tulunoglu
OBJECTIVE: Although there are several clinical studies on in office vital bleaching in adults, there are no Randomized Clinical Trials for the efficacy of this application in adolescents. The aim the study was to evaluate the efficiency of two bleaching systems on adolescents for twelve-months follow-up. STUDY DESIGN: Twenty-eight volunteers, aged between 13-18, randomly divided into two groups. Two commercial in-office bleaching systems were used: G1 (n=14): Zoom2 25 % HP with UV light and G2 (n=14): Beaming White 36% HP with LED light in a single 3 x 15 minute procedure...
2016: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27217631/efficacy-of-desensitizing-agents-on-postoperative-sensitivity-following-an-in-office-vital-tooth-bleaching-a-randomized-controlled-clinical-trial
#3
Jyothi Kashi Nanjundasetty, Mohammed Ashrafulla
AIM: To assess and compare the incidence and intensity of experienced after an in-office vital tooth bleaching in case of dental fluorosis using two different types of desensitizing agents, at different time periods. MATERIALS AND METHODS: Sixty-nine subjects with mild-to-moderate fluorosis were randomly divided into three groups of 23 each. Group I - control group (placebo), group II-potassium nitrate 5% and sodium monofluorophosphate 0.7% (Sensodent KF), and group III-Casein Phosphopeptide-Amorphous Calcium Phosphate (CPP-ACP) (Tooth Mousse)...
May 2016: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/27148662/effects-of-green-tea-on-the-shear-bond-strength-of-orthodontic-brackets-after-in-office-vital-bleaching
#4
Sandrine Bittencourt Berger, Ricardo Danil Guiraldo, Murilo Baena Lopes, Paula Vanessa Oltramari-Navarro, Thais Maria Fernandes, Renata de Castro Alves Schwertner, Wagner José Silva Ursi
The application of bleaching agents before placement of resin-bonded fixed appliances significantly, but temporarily, reduces bond strength to tooth structure. Antioxidants have been studied as a means to remove residual oxygen that compromises bonding to bleached enamel. This in vitro study evaluated whether green tea (GT) could restore the shear bond strength between bonded orthodontic brackets and bleached enamel. Six experimental groups were compared: group 1, no bleaching plus bracket bonding (positive control); group 2, bleaching with 35% hydrogen peroxide (HP) plus bracket bonding (negative control); group 3, 35% HP plus 10% sodium ascorbate (SA) plus bracket bonding; group 4, 35% HP plus 10% GT plus bracket bonding; group 5, no bleaching plus 10% SA plus bracket bonding; group 6, no bleaching plus 10% GT plus bracket bonding...
May 2016: General Dentistry
https://www.readbyqxmd.com/read/27119766/evaluation-of-an-experimental-rat-model-for-comparative-studies-of-bleaching-agents
#5
Luciano Tavares Angelo Cintra, Francine Benetti, Luciana Louzada Ferreira, Vanessa Rahal, Edilson Ervolino, Rogério de Castilho Jacinto, João Eduardo Gomes Filho, André Luiz Fraga Briso
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 and Methods The right and left maxillary molars of 50 Wistar rats were bleached with 20% and 35% H2O2 gels, respectively, for 5, 10, 15, 30, or 45 min (n=10 rats/group)...
April 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/27008262/evaluation-of-an-experimental-rat-model-for-comparative-studies-of-bleaching-agents
#6
Luciano Tavares Angelo Cintra, Francine Benetti, Luciana Lousada Ferreira, Vanessa Rahal, Edilson Ervolino, Rogério de Castilho Jacinto, João Eduardo Gomes Filho, André Luiz Fraga Briso
UNLABELLED: Dental materials, in general, are tested in different animal models prior to their 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 AND METHODS: The right and left maxillary molars of 50 Wistar rats were bleached with 20% and 35% H2O2 gels, respectively, for 5, 10, 15, 30, or 45 min (n=10 rats/group)...
January 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/27007348/personality-style-in-patients-looking-for-tooth-bleaching-and-its-correlation-with-treatment-satisfaction
#7
Javier Martin, Vanessa Rivas, Patricio Vildósola, Laura Moncada, Osmir B Oliveira Junior, José Roberto C Saad, Eduardo Fernandez, Gustavo Moncada
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 Styles of participants looking for tooth bleaching and to correlate them to satisfaction with the treatment. Forty participants were included and filled out the Millon Index of Personality Styles form before treatment...
January 2016: Brazilian Dental Journal
https://www.readbyqxmd.com/read/26558267/3d-surface-profile-and-color-stability-of-tooth-colored-filling-materials-after-bleaching
#8
Bryant Anthony Irawan, Stacey Natalie Irawan, Sam'an Malik Masudi, Ninin Sukminingrum, Mohammad Khursheed Alam
This study aims to evaluate the effects of vital tooth bleaching with carbamide peroxide home bleaching and in-office bleaching on the color stability and 3D surface profile of dental restorative filling materials. Thirty discs (n = 30) measure 6 mm in diameter and 2 mm thick for each of three restorative materials. These are nanofilled composite Filtek Z350 XT, the submicron composite Estelite Σ Quick, and nanofilled glass ionomer Ketac N100 nanoionomer and were fabricated in shade A2. Each group was further divided into three subgroups (n = 10): subgroup A (Opalescence PF), subgroup B (Opalescence Boost in-office bleaching), and subgroup C (distilled water) serving as control...
2015: BioMed Research International
https://www.readbyqxmd.com/read/26372629/comparison-of-treatment-time-versus-patient-satisfaction-in-at-home-and-in-office-tooth-bleaching-therapy
#9
Jussara Karina Bernardon, Patricia Ferrari, Luiz Narciso Baratieri, Gabrielle Branco Rauber
STATEMENT OF THE PROBLEM: There are different approaches and treatment times to achieve tooth whitening. PURPOSE: The purpose of this study was to evaluate the efficacy of different agents and the treatment time required to achieve participant satisfaction with at-home and in-office tooth whitening. MATERIAL AND METHODS: Thirty participants were selected based on the shade of the anterior teeth (between A2 and A3.5; Vita Classic Shade Guide)...
December 2015: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/26166513/-the-efficacy-of-cold-light-tooth-bleaching-on-the-formation-of-bacteria-biofilm-on-the-enamel-surfaces
#10
Ke-yong Yuan, Rui Ma, Cai-lian Zhu, Ming-yu Li, Zhi-yan He, Wei Zhou
PURPOSE: To evaluate the efficacy of Beyond cold-light tooth bleaching on the formation of main cariogenic bacteria biofilm on enamel surfaces. METHODS: Twenty enamel discs with the size of 4 mm×4 mm×1 mm in size, were made. The enamel discs were divided into 4 groups randomly: cold-light bleaching group, bleaching gel group, cold-light group and control group. Five discs were in each group. Cold-light bleaching group was whitened 3 times with bleaching gel and cold-light, and 12 min per session...
June 2015: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/25627891/in-office-bleaching-effects-on-the-pulp-flow-and-tooth-sensitivity-case-series
#11
Andrés Felipe Cartagena, Sibelli Olivieri Parreiras, Alessandro Dourado Loguercio, Alessandra Reis, Nara Hellen Campanha
Laser Doppler flowmetry (LDF) is a noninvasive method capable of evaluating variations in pulp blood flow (PBF) and pulp vitality. This method has thus far not been used to assess changes in blood flow after in-office bleaching. The aim of this case series report was to measure changes in PBF by LDF in the upper central incisor of three patients submitted to in-office bleaching. The buccal surfaces of the upper arch were bleached with a single session of 35% hydrogen peroxide gel with three 15-min applications...
2015: Brazilian Oral Research
https://www.readbyqxmd.com/read/25359649/using-light-to-enhance-in-office-vital-bleaching-may-increase-both-efficacy-and-tooth-sensitivity
#12
COMMENT
Deborah S Ray
No abstract text is available yet for this article.
November 2014: Journal of the American Dental Association
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