Effects of desensitizing products on the reduction of pain sensitivity caused by in-office tooth bleaching: a 24-week follow-up

Pierote, Josué Junior Araújo; Prieto, Lúcia Trazzi; Dias, Carlos Tadeu dos Santos; Câmara, João Víctor Frazão; Lima, Débora Alves Nunes Leite; Aguiar, Flávio Henrique Baggio; Paulillo, Luís Alexandre Maffei Sartini

doi:10.1590/1678-7757-2019-0755

Cited by 9 publications

(6 citation statements)

References 26 publications

(13 reference statements)

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“…A recent retrospective study, which collected data from eleven randomized controlled trials, indicated that the risk of TS reported by patients undergoing in-office bleaching was approximately 62.9% [11]. To reduce the TS induced by the action of the bleaching agent, clinical studies have tested the use of topical desensitizing agents [12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Combination of strontium chloride and photobiomodulation in the control of tooth sensitivity post-bleaching: A split-mouth randomized clinical trial

et al. 2021

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Objective This split-mouth randomized controlled clinical trial assessed the effect of 10% strontium chloride in combination with photobiomodulation (PBM) for the control of tooth sensitivity (TS) post-bleaching. Methods The upper/lower, right and left quadrants of fifty volunteers were randomized and allocated to four groups (n = 25): PLACEBO—placebo gel + simulation of PBM; Placebo + PBM; STRONTIUM—10% strontium chloride + simulation of PBM; and PBM + STRONTIUM—10% strontium chloride + PBM. All groups received tooth bleaching treatment with 35% hydrogen peroxide. For the PBM treatment, the laser tip was positioned in the apical and cervical regions of the teeth bleached in the respective hemi-arch. The laser system was operated in continuous mode, using 1.7 J of energy. A dose of 60 J/cm2 was applied to each point for 16 seconds under 808 nm near-infrared light (100mW of power), with a point area of 0.028 cm2. TS was assessed during a 21-day follow-up, using the modified visual analogue scale. Results In the intragroup assessment, the Friedman test indicated that PBM + STRONTIUM promoted the greatest reduction in TS after the second week of treatment (p ≤ 0.05). The Wilcoxon-Mann-Whitney test indicated that the groups Placebo + PBM, STRONTIUM, and STRONTIUM + PBM did not differ statistically (p ≥ 0.05) in the first and third weeks of treatment The group PLACEBO exhibited the greatest TS in the first three days after each bleaching session. Conclusion The combination of 10% strontium chloride with PBM was effective in reducing post-bleaching TS; however, the combination of 10% strontium chloride with PBM was effective in reducing post-bleaching TS; however, it did not differ from the individual use of Placebo + PBM or STRONTIUM groups assessed after 21 days of follow-up.

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Section: Introductionmentioning

confidence: 99%

Combination of strontium chloride and photobiomodulation in the control of tooth sensitivity post-bleaching: A split-mouth randomized clinical trial

et al. 2021

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“…The one‐year assessment can be a very short assessment to detect important changes in the color change. Other RCTs that evaluated color change after 1 year did not detect any significant differences over time 14,15,17,18 …”

Section: Discussionmentioning

confidence: 98%

“…Although some RCTs have already addressed color stability of bleaching protocols, 14–18 none of them have focused on the type of bleaching tray used for the at‐home bleaching. Therefore, this study aimed to evaluate whether the presence of reservoirs may affect color change stability and bleaching sensitivity one‐year after at‐home bleaching.…”

Section: Introductionmentioning

confidence: 99%

One‐year follow‐up evaluation of reservoirs in bleaching trays for at‐home bleaching

Martini

Favoreto

Andrade

et al. 2021

J Esthet Restor Dent

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ObjectiveTo evaluate the color change stability and patient satisfaction after one‐year of at‐home bleaching with 10% carbamide peroxide (CP) in trays with or without reservoirs.Materials and methodsForty‐six patients were subjected to bleaching with CP (3 h/daily; 21 days) with a bleaching tray with or without reservoirs. The color was measured one‐month and one‐year after the completion of bleaching using the spectrophotometer (ΔEab, Δ00 and ΔWi), and shade guide units (ΔSGU). Patients' satisfaction were assessed using a 5‐point Likert Scale questionnaire. Data were submitted to paired t‐test (α = 0.05).ResultsNo significant difference between color change after one‐month and one‐year was observed (VITA Classical shade guide unit and the ΔWi; p > 0.53). Significant differences were observed for the VITA Bleachedguide 3D‐MASTER shade guide, ΔEab and ΔE00 (p < 0.03). The level of patient satisfaction was similar between groups (p = 1.00).ConclusionsBleaching tray design did not have any influence on the bleaching stability for the 10% CP (Opalescence PF, Ultradent). Patients were very satisfied with the bleaching outcomes regardless of the bleaching tray design.Clinical relevancePlacement of reservoirs in bleaching trays does not increase longevity of dental bleaching. No clinically important color rebound was observed 1 year after bleaching with 10% CP.

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“…Based on the positive results related to the topical application of desensitizers before or after in‐office bleaching, 15,20‐22 and in order to reduce the application time, desensitizers such as potassium nitrate and sodium fluoride have been incorporated into the bleaching agents 24,35,40 . The bleaching gel used in this study contains potassium nitrate in a concentration not reported by the manufacturer.…”

Section: Discussionmentioning

confidence: 99%

“…In an attempt to reduce the risk and intensity of TS, several therapies have been proposed, such as the application of desensitizing agents, 11,12,20‐22 administration of analgesic or anti‐inflammatory drugs, 23 incorporation of desensitizers into bleaching gel composition, 24 use of low‐concentrated agents 25 and decreasing of the contact time or in the number of bleaching gel applications 9,13,26 . Previous in vitro 16,18,19 or in animal 27 studies evaluated the toxicity or inflammatory responses of dental pulp after different in‐office bleaching protocols with HP gels.…”

Section: Introductionmentioning

confidence: 99%

Effects of a reduced in‐office bleaching protocol with 37.5% hydrogen peroxide on effectiveness and tooth sensitivity: A double‐blind randomized clinical trial

Meireles

Santos

Lustosa

et al. 2021

J Esthet Restor Dent

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Objective This randomized clinical trial evaluated the effectiveness and tooth sensitivity (TS) of 37.5% hydrogen peroxide (37.5HP) in‐office bleaching with reduced protocol. Materials and methods Forty participants with shade mean C2 or darker for the six maxillary anterior teeth were randomly allocated into two treatment groups (n = 20): two (37.5HP2) or three (37.5HP3) 8 min applications/clinical session. Three clinical sessions were performed with a 1 week interval. Color evaluations were done with a spectrophotometer at baseline and 1 week post‐bleaching. TS was measured during and up to 48 h after bleaching using a five‐point numeric rating scale. Color change was evaluated by Student's t‐test for independent samples. The absolute risk and intensity of TS were analyzed by Fisher's and Mann–Whitney/Friedman tests (p < 0.05). Result Both treatment groups resulted in a significant tooth whitening 1 week post‐bleaching (p < 0.001). There were no significant differences between 37.5HP2 and 37.5HP3 for ΔE*ab, ΔE00 and ∆WID. Also, there were not differences between groups regarding high absolute risk (p = 1.0) and low intensity of TS at all time assessments (p > 0.7). Conclusions The in‐office bleaching with two 37.5% HP applications produced the same whitening degree, risk and intensity of TS to that performed with three gel applications. Clinical significance Clinicians should opt to use a neutral 37.5% HP in‐office bleaching gel for two 8 min applications/clinical session because produces the same whitening effectiveness, risk and low intensity of TS as the protocol proposed by manufacturer (three 8 min applications).

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Effects of desensitizing products on the reduction of pain sensitivity caused by in-office tooth bleaching: a 24-week follow-up

Cited by 9 publications

References 26 publications

Combination of strontium chloride and photobiomodulation in the control of tooth sensitivity post-bleaching: A split-mouth randomized clinical trial

Combination of strontium chloride and photobiomodulation in the control of tooth sensitivity post-bleaching: A split-mouth randomized clinical trial

One‐year follow‐up evaluation of reservoirs in bleaching trays for at‐home bleaching

Effects of a reduced in‐office bleaching protocol with 37.5% hydrogen peroxide on effectiveness and tooth sensitivity: A double‐blind randomized clinical trial

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