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https://www.readbyqxmd.com/read/29742258/neurosensory-analysis-of-tooth-sensitivity-during-at-home-dental-bleaching-a-randomized-clinical-trial
#1
André Luiz Fraga Briso, Vanessa Rahal, Fernanda Almeida de Azevedo, Marjorie de Oliveira Gallinari, Rafael Simões Gonçalves, Paulo Henrique Dos Santos, Luciano Tavares Angelo Cintra
Objective The objective of this study was to evaluate dental sensitivity using visual analogue scale, a Computerized Visual Analogue Scale (CoVAS) and a neurosensory analyzer (TSA II) during at-home bleaching with 10% carbamide peroxide, with and without potassium oxalate. Materials and Methods Power Bleaching 10% containing potassium oxalate was used on one maxillary hemi-arch of the 25 volunteers, and Opalescence 10% was used on the opposite hemi-arch. Bleaching agents were used daily for 3 weeks. Analysis was performed before treatment, 24 hours later, 7, 14, and 21 days after the start of the treatment, and 7 days after its conclusion...
2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29728537/effect-of-over-the-counter-whitening-products-associated-or-not-with-10-carbamide-peroxide-on-color-change-and-microhardness-in-vitro-study
#2
Ana Lb Jurema, Evaniele S Claudino, Carlos Rg Torres, Eduardo Bresciani, Taciana Mf Caneppele
Aim: The purpose of this in vitro study was to evaluate the color and microhardness of teeth subjected to different over-the-counter (OTC) whitening products in association or not with 10% carbamide peroxide (10% CP). Materials and methods: Enamel-dentin specimens (n = 210) were obtained from bovine incisors and stained. Half of the specimens were then subjected to daily cycles of staining (5 minutes), 10% CP bleaching (8 hours) in association with OTC products, and artificial saliva storage until complete 24 hours, for 2 weeks; the other half was subjected to daily cycles of staining, OTC treatment, and storage in artificial saliva for 12 weeks...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29676979/effectiveness-of-and-dental-sensitivity-to-at-home-bleaching-with-4-and-10-hydrogen-peroxide-a-randomized-triple-blind-clinical-trial
#3
K Chemin, M Rezende, A D Loguercio, A Reis, S Kossatz
OBJECTIVES: To evaluate the risk for and intensity of tooth sensitivity and color change of at-home dental bleaching with 4% and 10% hydrogen peroxide (HP). METHODS: For this study, 78 patients were selected according to the inclusion and exclusion criteria and randomized into two groups: HP 4 (White Class 4%, FGM) and HP 10 (White Class 10%, FGM). In both groups, the at-home bleaching was performed for a period of 30 minutes twice a day for two weeks. The color was assessed by Vita Classical, Vita Bleachedguide 3D-MASTER and spectrophotometer Vita Easyshade (Vita Zahnfabrik) at baseline, during bleaching (first and second weeks) and after bleaching (one month)...
May 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29603692/effect-of-at-home-and-in-office-bleaching-on-marginal-microleakage-in-composite-resin-restorations-using-two-adhesive-systems
#4
Celso A Klein, Douglas da Silva, Eduardo G Reston, Diana Lb Borghetti, Roberto Zimmer
AIM: The aim of this study is to assess marginal microleakage of cervical cavities restored with composite resins and two different adhesive techniques subjected to at-home and in-office bleaching. MATERIALS AND METHODS: In this randomized, blind laboratory experiment, 60 bovine teeth recently extracted were collected and divided into six groups (n = 10 each group). The teeth received cervical cavity preparations (2 mm × 3 mm × 1 mm) with enamel margins. Two different adhesive systems were used (Single Bond 2 and Clearfil SE Bond), in addition to composite resin (Z250)...
March 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29570025/effect-of-tooth-whitening-procedures-on-stained-composite-resins
#5
J W Reinhardt, M M Balbierz, C M Schultz, B Simetich, M W Beatty
In this laboratory study, a composite resin was stained to a visibly discernible level using both coffee and red wine over 14 days (change was considered clinically noticeable and significant when ΔEab *≥2.7). Color change was measured at one, three, seven, and 14 days of staining. Although the nature of color change was different for the two staining solutions, the overall degree of staining (ΔEab *) rendered by either coffee or wine at each time interval was not significantly different ( p≥0.05). Four whitening protocols were applied to stained composites...
March 23, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29551346/tooth-sensitivity-with-a-desensitizing-containing-at-home-bleaching-gel-a-randomized-triple-blind-clinical-trial
#6
Bianca Medeiros Maran, Laína Vochikovski, Diego Rafael de Andrade Hortkoff, Rodrigo Stanislawczuk, Alessandro D Loguercio, Alessandra Reis
OBJECTIVES: Desensitizing agents are usually included in the composition of bleaching agents to reduce bleaching-induced tooth sensitivity (TS). This randomized clinical trial (RCT) evaluated the risk and intensity of TS and color change after at-home bleaching with a desensitizing-containing (3% potassium nitrate and 0.2% sodium fluoride) and desensitizing-free 10% carbamide peroxide (CP) gel (Whiteness Perfect, FGM). METHODS: A triple-blind, within-person RCT was conducted on 60 caries-free adult patients...
March 15, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29513636/home-dental-bleaching-monitored-with-microelectronic-sensors-to-record-the-wearing-times-of-an-acetate-tray-bleaching-product
#7
C C Pavani, D Sundfeld, T C Schott, Apm Bertoz, R Bigliazzi, R H Sundfeld
The present case study quantifies the clinical wearing time of an acetate tray/bleaching product during home dental bleaching. The patient was instructed to use a 10% carbamide peroxide gel for 6-8 hours each day for 20 days. The wearing time of the tray was measured by a microsensor from TheraMon microelectronic system (Sales Agency Gschladt, Hargelsberg, Austria) completely embedded in the tray so that the clinician would be informed as to the precise time the tray was placed in the mouth. Evaluation of the daily printout during dental bleaching demonstrated that the patient did not correctly follow the clinician's instructions as to the wearing time of the tray...
March 7, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29513635/double-blind-randomized-study-to-evaluate-the-safety-and-efficacy-of-over-the-counter-tooth-whitening-agents-containing-2-9-hydrogen-peroxide
#8
Y M Kim, A N Ha, J W Kim, S J Kim
OBJECTIVES: In this double-blind randomized study, we evaluated the safety and efficacy of over-the-counter (OTC) bleaching products that included 2.9% hydrogen peroxide (H2 O2 ) with two methods of application: strip and paint-on. METHODS AND MATERIALS: A commonly used product was selected for each type (strip and paint-on) of OTC bleaching agent. In total, 75 volunteers were assigned randomly into five groups: two test groups (strip and paint-on), two negative control groups (products without H2 O2 ), and one positive control group (dentist-supervised home bleaching)...
May 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29326505/influence-of-intracanal-irrigants-on-coronal-fracture-resistance-of-endodontically-treated-and-bleached-teeth-an-in-vitro-study
#9
Maryam Khoroushi, Fatemeh Tavakol, Farinaz Shirban, Sanaz Ziaei
Background: Irrigation has a key role in the success of endodontic treatment. Intracanal irrigant solutions have adverse effects on the physical properties of dentin. Aim: The present study aimed to evaluate the effect of different irrigation protocols on coronal fracture resistance of endodontically treated teeth undergoing bleaching treatment. Design and Materials and Methods: Access cavities were prepared in 120 maxillary premolars which were divided into two groups ( n = 60) - Group A: nonbleached, Group B: bleached (B)...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29303753/the-effect-of-home-bleaching-carbamide-peroxide-concentration-on-the-microhardness-of-dental-composite-resins
#10
Behnaz Esmaeili, Faezeh Abolghasemzadeh, Atefeh Gholampor, Ghazaleh Daryakenari
Bleaching is a conservative treatment for discolored teeth, but the effect of this treatment on newer, silorane-based composite resins is unclear. This study evaluated the effect of at-home bleaching on the microhardness of methacrylate- and silorane-based composites. Forty blocks each of a methacrylate-based composite and a silorane-based composite were prepared. The 80 specimens were tested in 8 groups (n = 10): 2 composites, each exposed to 3 different carbamide peroxide concentrations (10%, 16%, or 22%) as well as distilled water (control)...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29251456/efficacy-of-different-protocols-for-at-home-bleaching-a-randomized-clinical-trial
#11
Iria López Darriba, Lourdes Novoa, Víctor Alonso de la Peña
PURPOSE: To evaluate the efficacy of two products used for at-home bleaching with different application times. METHODS: 80 participants were enrolled and divided into four groups, (1) 10% carbamide peroxide 1 hour a day; (2) 10% carbamide peroxide overnight; (3) 7.5% hydrogen peroxide 1 hour a day; and (4) 7.5% hydrogen peroxide overnight. The duration of treatment was 14 days. Color measurement was performed using a dental spectrophotometer on the right maxillary central incisor and the canine, at baseline and 2 weeks after...
December 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29208795/in-vitro-assessment-of-influence-of-various-bleaching-protocols-on-the-strength-of-ceramic-orthodontic-brackets-bonded-to-bleached-tooth-surface-a-comparative-study
#12
Divya Iska, Raghu Devanna, Madhvi Singh, Rajkiran Chitumalla, Sai C Bala Balasubramanian, Manish Goutam
INTRODUCTION: Esthetics is one of the common issues because of which patients consult dental orthodontic treatment. Two ways of tooth bleaching are available these days, which includes in-office bleach and home bleach. Various bleaching protocols are available these days for treating the tooth surfaces. Hence, we planned the present study for investigating the impact of various intracoronal bleaching protocols on shear bond strength of ceramic brackets bonded to tooth surface after bleaching...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29192623/color-recovery-effect-of-different-bleaching-systems-on-a-discolored-composite-resin
#13
P Gul, O T Harorlı, I B Ocal, Z Ergin, C Barutcigil
BACKGROUND AND PURPOSE: Discoloration of resin-based composites is a commonly encountered problem, and bleaching agents may be used for the therapy of the existing discoloration. The purpose of this study was to investigate in vitro color recovery effect of different bleaching systems on the heavily discolored composite resin. MATERIALS AND METHODS: Fifty disk-shaped dental composite specimens were prepared using A2 shade nanohybrid universal composite resin (3M ESPE Filtek Z550, St...
October 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29178730/a-clinical-randomized-double-blind-study-on-the-use-of-toothpastes-immediately-after-at-home-tooth-bleaching
#14
Christiane de Melo Alencar, Ranna Castro da Silva, Jusuína Lamartine Nogueira Araújo, Ana Daniela Silva da Silveira, Cecy Martins Silva
PURPOSE: To evaluate the effect of 5% potassium nitrate containing 2% sodium fluoride and 10% strontium chloride on tooth sensitivity and color change after at-home bleaching treatment across 3 months of follow-up. METHODS: 60 subjects were randomly allocated by numerical draw into three groups (n= 20): (1) Control, treated with 22% carbamide peroxide (CP) followed by application of a toothpaste without active ingredient: (2) Nitrate, treated with 22% CP followed by application of a toothpaste containing 5% potassium nitrate and 2% sodium fluoride: (3) Strontium, treated with 22% CP followed by application of a toothpaste containing 10% strontium chloride...
October 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29169933/cleaning-and-disinfection-in-home-care-a-comparison-of-2-commercial-products-with-potentially-different-consequences-for-respiratory-health
#15
Nancy Goodyear, Pia Markkanen, Christian Beato-Melendez, Hagir Mohamed, Rebecca Gore, Catherine Galligan, Susan Sama, Margaret Quinn
BACKGROUND: Home care aides perform personal care and homemaking services in client homes, including cleaning and disinfection (C&D). Although C&D are performed to remove soil and dust, they are increasingly performed for infection prevention. Many C&D products contain respiratory irritants. The objective of this study was to evaluate 2 commercial products for C&D effectiveness on common household surfaces in seniors' homes. METHODS: Two C&D visits were conducted in 46 seniors' homes...
November 20, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/29151458/comparison-of-efficacy-and-outcome-satisfaction-between-in-office-and-home-teeth-bleaching-in-chinese-patients
#16
Jie Nie, Fu-Cong Tian, Zu-Hua Wang, Adrian U Yap, Xiao-Yan Wang
This in vivo study aimed to evaluate the efficacy of in-office and home teeth bleaching in Asian patients. Moreover, the correlation between tooth color change and patient's outcome satisfaction was investigated. Overall, 40 Chinese patients were randomly divided into two groups and prescribed in-office (OB) or take-home bleaching (HB). The color of the maxillary central incisor and canine were recorded at baseline, immediately after first treatment, 1 week, and 3 months after treatment by using a spectrophotometer...
December 27, 2017: Journal of Oral Science
https://www.readbyqxmd.com/read/29144876/effects-of-at-home-bleaching-in-smokers-30-month-follow-up
#17
J L de Geus, E Fernández, S Kossatz, A D Loguercio, A Reis
OBJECTIVE: This clinical study evaluated the color longevity after 30 months of at-home bleaching with 10% carbamide peroxide (CP) in smokers and nonsmokers. METHODS: Sixty patients, 30 smokers and 30 nonsmokers, were subjected to bleaching with 10% CP (Whiteness Perfect-FGM) for three hours daily for three weeks. The color was measured at baseline and at one month and 30 months after the completion of dental bleaching using the shade guide Vita classical organized by value (ΔSGU) and the shade guide Vita Bleachedguide 3D-MASTER...
November 2017: Operative Dentistry
https://www.readbyqxmd.com/read/29124794/effect-of-home-bleaching-on-the-translucency-of-cad-cam-systems
#18
Muhammet Karci, Necla Demir
PURPOSE: To evaluate the effect of a home bleaching agent (Opalescence PF) on the translucency of CAD/CAM ceramic systems. MATERIALS AND METHODS: The 28 sintered ceramic specimens (IPS Empress CAD and IPS e.max CAD; 15 mm long, 10 mm wide, 1 mm thick) were divided into two subgroups as control and bleaching groups (n = 7). Carbamide peroxide (CP), 16%, home bleaching agent was applied onto the surface of each specimen for 6 hours per day for 7 days. A spectrophotometer (VITA Easyshade Advance) was used to measure the CIE L(*) a(*) b(*) coordinates and the reflectance value (Y) of the specimens on white and black backgrounds...
November 10, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29105824/wound-culture-isolated-antibiograms-and-caregiver-reported-skin-care-practices-in-children-with-epidermolysis-bullosa
#19
Hannah M Singer, Laura E Levin, Maria C Garzon, Christine T Lauren, Paul J Planet, Nicole W Kittler, Susan Whittier, Kimberly D Morel
BACKGROUND/OBJECTIVES: Many patients with epidermolysis bullosa (EB) require intensive daily wound care and individualized treatment plans. Understanding patient's home skin care routines and emerging antibiotic resistance patterns in EB wounds is necessary to optimize treatment recommendations. The objective was to identify patterns of antimicrobial resistance in EB wounds and characterize patient's home practices of skin care and bathing. METHODS: This was an observational study of 23 children with EB at an outpatient pediatric dermatology practice in New York City from 2012 to 2014...
January 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29075408/evaluation-of-the-effect-of-home-bleaching-agents-on-surface-microhardness-of-different-glass-ionomer-cements-containing-hydroxyapatite
#20
Farahnaz Sharafeddin, Mahsa Kowkabi, Soodabe Shoale
BACKGROUND: Home bleaching agents may exert some negative effects on surface hardness of restorative materials such as glass-ionomer cements (GICs). Since some studies have shown that some components such as hydroxyapatite (HA), as a bioactive glass, can improve the mechanical properties of dental materials, the effect of bleaching agents on surface hardness of GICs containing hydroxyapatite is questionable. This study was designed to evaluate the effect of home bleaching agents on the surface hardness of two different commercially available GICs containing hydroxyapatite...
September 2017: Journal of Clinical and Experimental Dentistry
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