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https://www.readbyqxmd.com/read/28898421/tooth-bleaching-with-low-temperature-plasma-lowers-surface-roughness-and-streptococcus-mutans-adhesion
#1
S-H Nam, S-M Ok, G-C Kim
AIM: To evaluate the structural-morphological changes in enamel surface roughness and Streptococcus mutans adhesion after tooth bleaching using plasma in combination with a low concentration of 15% carbamide peroxide (CP). METHODOLOGYS: Sixty pairs of premolars were randomly assigned to the treatment groups (n = 30; buccal surface, Groups 1A/2A) or controls (n = 30; palatal surface, Groups 1B/2B). Group 1A received a low concentration of 15% CP and low-temperature plasma...
September 12, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28893130/clinical-and-patient-reported-outcomes-of-bleaching-effectiveness
#2
Eva Klaric Sever, Zrinka Budimir, Matea Cerovac, Mario Stambuk, Matej Par, Dubravka Negovetic Vranic, Zrinka Tarle
OBJECTIVE: The objective of this study is to evaluate clinical and patient reported outcomes of different bleaching products. MATERIALS AND METHODS: Thirty participants were randomly divided into three bleaching groups (n = 10). Bleaching was performed with high concentrations of hydrogen peroxide (HP) - Boost (40%) and Dash (30%), and with prefabricated splints Bite&White (6% HP). Tooth colour was measured before, immediately after, and 1 and 6 months after the bleaching by using classical shade guide and spectrophotometer...
September 11, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28891537/clinical-performance-of-a-combined-approach-for-the-esthetic-management-of-fluorosed-teeth-three-year-results
#3
E U Celik, B Yazkan, G Yildiz, A T Tunac
OBJECTIVE: The long-term clinical performance of combined therapy including enamel microabrasion and vital bleaching is debatable due to the abrasion of outer enamel surface. The aim of this longitudinal cohort study was to evaluate the 3-year clinical performance of enamel microabrasion in combination with vital tooth bleaching for the esthetic management of fluorosed teeth. MATERIALS AND METHODS: Fifteen patients with 176 fluorosed incisors and canines were included in this study...
August 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28883600/tooth-bleaching-questions-answered
#4
V B Haywood, R J Sword
Tooth bleaching is an exciting treatment option for patients, which has many treatment options and considerations for the dentist. The purpose of this article is to answer questions in a Q&A fashion about different types of tooth bleaching and their applications to various clinical situations and patients' dental situations.
September 8, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28858418/effect-of-access-design-on-intracoronal-bleaching-of-endodontically-treated-teeth-an-ex-vivo-study
#5
Melissa Andreia Marchesan, Christopher Michael James, Adam Lloyd, Brian Ray Morrow, Franklin García-Godoy
OBJECTIVES: To determine the effect of access design on intracoronal bleaching with 35% carbamide peroxide on discolored teeth. MATERIALS AND METHODS: Forty-two intact maxillary central incisors were selected, sectioned and artificially stained using whole blood. Color measurements were performed with a spectrophotometer: before staining (T1), after staining (T2), at 7 (T3), and 14 (T4) days postbleaching. After T1, specimens were stratified and divided randomly into two groups according to access design (N = 20): G1: contracted endodontic cavity (CEC) access performed with a #848-010M bur and G2: traditional endodontic cavity (TEC) access done with a #1157 bur...
August 31, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28829936/preemptive-use-of-naproxen-on-tooth-sensitivity-caused-by-in-office-bleaching-a-triple-blind-crossover-randomized-clinical-trial
#6
M T Fernandes, S C Vaez, C M Lima, F P Nahsan, A D Loguércio, A L Faria-E-Silva
OBJECTIVES: A triple-blind, randomized, crossover clinical trial evaluated prior use of nonsteroidal anti-inflammatory naproxen on sensitivity reported by patients undergoing in-office tooth bleaching. METHODS AND MATERIALS: Fifty patients were subjected to two sessions of in-office tooth bleaching with 35% hydrogen peroxide in a single application of 40 minutes for two sessions, with an interval of seven days between applications. One hour prior to the procedure, each patient randomly received a single dose of naproxen (500 mg) or placebo...
September 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28829933/effect-of-a-new-bleaching-gel-on-tooth-whitening
#7
T N Barry, C W Bailey, D Ashcraft-Olmscheid, K S Vandewalle
The purpose of this study was to compare the whitening efficacy of a novel bleaching agent containing a unique tribarrel hydremide-peroxide gel (KöR) with a traditional bleaching system of hydrogen peroxide or carbamide peroxide (Opalescence). Bovine incisors were mounted into a custom resin, arch-shaped mounting device. Four groups of 10 teeth were created using mounting devices containing five teeth each. The in-office and home bleaching gels of KöR and Opalescence were applied to the teeth alone and in trays to simulate a combination of in-office and home bleaching or home bleaching only...
September 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28808454/concurrent-effects-of-bleaching-materials-and-the-size-of-root-canal-preparation-on-cervical-dentin-microhardness
#8
Maryam Kazemipoor, Shaghayegh Azad, Farnaz Farahat
INTRODUCTION: The aim of the present study was to evaluate the concurrent effect of root canal preparation size and intra coronal bleaching on dentin microhardness. METHODS AND MATERIALS: Seventy-two intact anterior teeth were root canal treated and randomly divided into two groups (n=36) according to the size of coronal root canal preparation. The coronal portions of the canals were then enlarged with #2 and 4 Peeso reamers, respectively. Following root canal obturation, teeth were assigned into three groups (n=12) to be treated with bleaching agents containing 35% hydrogen peroxide (HP), sodium perborate (SP) and distilled water as control group...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28783465/photobiomodulation-in-the-prevention-of-tooth-sensitivity-caused-by-in-office-dental-bleaching-a-randomized-placebo-preliminary-study
#9
Andrea Paiva Corsetti Calheiros, Maria Stella Moreira, Flávia Gonçalves, Ana Cecília Correa Aranha, Sandra Ribeiro Cunha, Carolina Steiner-Oliveira, Carlos de Paula Eduardo, Karen Müller Ramalho
OBJECTIVE: Analyze the effect of photobiomodulation in the prevention of tooth sensitivity after in-office dental bleaching. BACKGROUND DATA: Tooth sensitivity is a common clinical consequence of dental bleaching. Therapies for prevention of sensitivity have been investigated in literature. MATERIALS AND METHODS: This study was developed as a randomized, placebo blind clinical trial. Fifty patients were selected (n = 10) and randomly divided into five groups: (1) control, (2) placebo, (3) laser before bleaching, (4) laser after bleaching, and (5) laser before and after bleaching...
August 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28762354/a-comparison-of-various-minimally-invasive-techniques-for-the-removal-of-dental-fluorosis-stains-in-children
#10
Aarushi Gupta, Renuka Dhingra, Payal Chaudhuri, Anil Gupta
CONTEXT: Dental fluorosis is caused by successive exposure to high concentrations of fluoride during tooth development leading to enamel with lower mineral content and increased porosity. AIMS: The aim of the study was to evaluate and compare the effectiveness of minimally invasive techniques for the removal of dental fluorosis stains in children in vivo. DESIGN: Ninety children in the age group of 10-17 years were selected. MATERIALS AND METHODS: The study sample was equally and randomly divided into three groups; Group 1: In-office bleaching with 35% hydrogen peroxide (HP) activated by light-emitting diode (LED) bleaching unit (35% HP), Group 2: Enamel microabrasion (EM) followed by in-office bleaching with 44% carbamide peroxide gel (EM), Group 3: In-office bleaching with 5% sodium hypochlorite (5% NaOCl)...
July 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28740741/ten-year-follow-up-of-a-fragment-reattachment-to-an-anterior-tooth-a-conservative-approach
#11
Luiz Mendes, Laisa Laxe, Leandro Passos
This report describes the 10-year follow-up data of a patient who underwent fragment reattachment to the maxillary central incisor after coronal fracture with pulp exposure as well as the procedures followed for functional and esthetic adjustments. A 9-year-old female patient presented at the clinic of dentistry at the State University of Rio de Janeiro with a coronal fracture and pulp exposure of the right maxillary central incisor that had occurred immediately after an accident. The intact tooth fragment was recovered at the accident site and stored in milk...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28734081/whitening-dependent-changes-of-fluorescence-of-extracted-human-teeth
#12
Natalie Pereira Sanchez, Aleksandar Aleksic, Miroslav Dramicanin, Rade D Paravina
OBJECTIVE: To evaluate in vitro the fluorescence properties of extracted human teeth whitened with 40% hydrogen peroxide. MATERIALS AND METHODS: A total of 28 extracted human teeth were pumiced for 1 minute using a low-speed dental handpiece and a disposable rubber cup. Pre-whitening fluorescence measurements (T0), maximum excitation (Exmax ), maximum emission (Emmax ), and maximum intensity (Imax 10(8) ), were performed using a spectrofluorometer. After T0 measurements, the teeth were whitened using the in-office method with 40% hydrogen peroxide, three times for 20 minutes...
July 22, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28713111/effect-of-hydrogen-and-carbamide-peroxide-in-bleaching-enamel-morphology-and-mineral-composition-in-vitro-study
#13
Carmen Llena, Irene Esteve, Leopoldo Forner
AIM: The aim of the study was to evaluate the bleaching effect, morphological changes, and variations in calcium (Ca) and phosphate (P) in the enamel with hydrogen peroxide (HP) and carbamide peroxide (CP) after the use of different application regimens. MATERIALS AND METHODS: Four groups of five teeth were randomly assigned, according to the treatment protocol: HP 37.5% applied for 30 or 60 minutes (HP30, HP60), CP 16% applied for 14 or 28 hours (CP14, CP28). Changes in dental color were evaluated, according to the following formula: ΔE = [(La-Lb)(2)+(aa-ab)(2) + (ba-bb)(2)](1/2)...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28685202/spectrophotometric-analysis-of-the-effectiveness-of-a-novel-in-office-laser-assisted-tooth-bleaching-method-using-er-cr-ysgg-laser
#14
Dimitrios Dionysopoulos, Dimitrios Strakas, Kosmas Tolidis, Effrosyni Tsitrou, Effimia Koumpia, Eugenia Koliniotou-Koumpia
The purpose of this in vitro study was to compare the effectiveness of a novel Er,Cr:YSGG laser-assisted in-office tooth bleaching method with a conventional method by spectrophotometric analysis of the tooth color change. Furthermore, the influence of the application time of the bleaching gel on the effectiveness of the methods and the maintenance of the results 7 days and 1 month after the treatments were also evaluated. Twenty-four bovine incisors were stained and randomly distributed into four groups...
July 7, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28682288/the-potential-of-low-power-laser-for-reducing-dental-sensitivity-after-in-office-bleaching-a-case-report
#15
Eric Mayer-Santos, Brunna Haddad Anhesini, Carlos Alberto Kenji Shimokawa, Ana Cecília Corrêa Aranha, Carlos Paula Eduardo, Patricia Moreira de Freitas
Postoperative sensitivity is one of the most common side effects of in-office bleaching with hydrogen peroxide. Laser phototherapy (LPT) has been suggested as an adjunctive treatment to prevent or minimize tooth sensitivity. This case report aimed to verify the efficacy of LPT in the reduction of sensitivity after in-office bleaching. Tooth bleaching was performed with 35% hydrogen peroxide activated with a hybrid LED-laser device. Immediately after the bleaching treatment, the patient reported dental sensitivity, as measured with a visual analog scale (VAS)...
July 2017: General Dentistry
https://www.readbyqxmd.com/read/28678953/randomized-clinical-trial-of-the-effect-of-novamin-and-cpp-acpf-in-combination-with-dental-bleaching
#16
RANDOMIZED CONTROLLED TRIAL
Larissa Dias Alexandrino, Cristiane de Melo Alencar, Ana Daniela Silva da Silveira, Eliane Bemerguy Alves, Cecy Martins Silva
Objective: This randomized, controlled, double-blind clinical study evaluated the effect of calcium sodium phosphosilicate (NovaMin) and casein phosphopeptide-amorphous calcium phosphate with fluoride (CPP-ACPF) on the prevention of post-operative sensitivity and on the effects of clinical bleaching treatment. Material and Methods: Sixty volunteers were selected according to inclusion and exclusion criteria and were randomly assigned into three groups (n=20): CG (control group) patients, who were treated with 35% hydrogen peroxide; NOVAG (NovaMin group) patients, who were treated with 35% hydrogen peroxide followed by the application of NovaMin; and CPPG (CPP group) patients, who were treated with 35% hydrogen peroxide followed by the application of CPP-ACPF...
May 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28621833/multiple-external-cervical-root-resorptions-after-home-bleaching-treatment-with-22-carbamide-peroxide
#17
Glauco Rodrigues Velloso, Marcos Motta de Freitas, Adriana Terezinha Neves Novellino Alves, Alan Roger Santos Silva, Eliane Dos Santos Porto Barboza, Vittorio Moraschini
Invasive multiple cervical root resorptions after vital tooth bleaching is a rare condition. The aim of this article is to present a case of multiple external cervical root resorptions (ECRR) after a misguided home whitening treatment. A 34-year-old male patient presented with slight sensitivity and mobility in several teeth. Despite the manufacturer's recommendations, the patient used a 22% carbamide peroxide-based tooth bleaching gel at home for 4 consecutive days, at night, on the upper and lower arches...
June 16, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28580541/decalcification-prevention-around-orthodontic-brackets-bonded-to-bleached-enamel-using-different-topical-agents
#18
Ferial Ahmed Msallam, Mohammed El-Awady Grawish, Ahmad Mohammed Hafez, Yasser Lotfy Abdelnaby
BACKGROUND: The present study was conducted to evaluate the effect of different topical agents utilized for prevention of enamel decalcification around orthodontic brackets bonded to bleached and non-bleached enamel. METHODS: Human maxillary premolars (n = 120) were divided into two equal groups. Teeth in group I were left without bleaching while those in group II were bleached with Vivastyle gel. Metal brackets were bonded to all the teeth using light-cured adhesive...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28571829/corrigendum-to-a-clinical-randomized-controlled-study-on-the-use-of-desensitizing-agents-during-tooth-bleaching-j-dent-43-9-2015-1099-1105
#19
Karen Pintado-Palomino, Oscar Peitl Filho, Edgar Dutra Zanotto, Camila Tirapelli
No abstract text is available yet for this article.
July 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28566845/prevention-and-treatment-of-white-spot-lesions-in-orthodontic-patients
#20
REVIEW
Maryam Khoroushi, Marzie Kachuie
Decalcification of enamel, appearing as white spot lesions (WSLs), around fixed orthodontic appliances is a major challenge during and after fixed orthodontic treatment by considering the fact that the goal of orthodontic treatment is to enhance facial and dental esthetic appearance. Banded or bonded teeth exhibit a significantly higher rate of WSLs compared to the controls with no braces as fixed appliances and the bonding materials promote retention of biofilms. These lesions are managed in the first step by establishing good oral hygiene habits and prophylaxis with topical fluorides, including high-fluoride toothpastes, fluoride mouthwashes, gels, varnishes, fluoride-containing bonding materials, and elastic ligatures...
January 2017: Contemporary Clinical Dentistry
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