Dentin hypersensitivity after teeth bleaching with in-office systems. randomized clinical trial
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Data
2013-02-01
Autores
Martin, Javier
Fernandez, Eduardo [UNESP]
Bahamondes, Valeria
Werner, Andrea
Elphick, Klaus
Oliveira, Osmir Batista [UNESP]
Moncada, Gustavo
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Resumo
Purpose: To comparatively and prospectively compare in a randomized clinical trial, dentin hypersensitivity after treatment with three in-office bleaching systems, based on hydrogen peroxide at different concentrations, with and without light source activation. Methods: 88 individuals were included according to inclusion and exclusion criteria. Subjects were randomly divided into the following three treatment groups: Group 1 was treated with three 15-minute applications of hydrogen peroxide at 15% with titanium dioxide (Lase Peroxide Lite) that was light-activated (Light Plus Whitening Lase) with five cycles of 1 minute and 30 seconds each cycle, giving a total treatment time of 45 minutes; Group 2 was treated with three 10-minute applications of hydrogen peroxide at 35% (Lase Peroxide Sensy), activated by light (LPWL) same activation cycles than Group 1, with a total treatment time of 30 minutes; Group 3 was treated with only one application for 45 minutes of hydrogen peroxide at 35% (Whitegold Office) without light activation. Each subject underwent one session of bleaching on the anterior teeth according to the manufacturers' instructions. Dentin sensitivity was recorded with a visual analogue scale (VAS) at baseline, immediately after, and at 7 and 30 days after treatment using a stimulus of an evaporative blowing triple syringe for 3 seconds on the upper central incisors from a distance of 1 cm. A Kruskal-Wallis test followed by Mann-Whitney test was performed for statistical analysis. Results: All groups showed increased sensitivity immediately after treatment. Group 1 displayed less changes relative to baseline with no significant differences (P= 0.104). At 7 and 30 days after treatment, a comparison of VAS values indicated no significant differences between all groups (P= 0.598 and 0.489, respectively).
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hydrogen peroxide, photosensitizing agent, titanium, titanium dioxide, tooth bleaching agent, adolescent, adult, comparative study, controlled clinical trial, controlled study, dental procedure, dentin sensitivity, diode laser, double blind procedure, female, follow up, human, male, methodology, pain assessment, photochemotherapy, phototherapy, prospective study, randomized controlled trial, time, Adolescent, Adult, Dentin Sensitivity, Double-Blind Method, Female, Follow-Up Studies, Humans, Hydrogen Peroxide, Lasers, Semiconductor, Male, Pain Measurement, Photochemotherapy, Photosensitizing Agents, Phototherapy, Prospective Studies, Time Factors, Titanium, Tooth Bleaching, Tooth Bleaching Agents, Young Adult
Como citar
American Journal of Dentistry, v. 26, n. 1, p. 10-14, 2013.