Review of the current status of tooth whitening with the walking bleach technique

Attin, Thomas; Paqué, Frank; Ajam, F.; Lennon, Áine M

doi:10.1046/j.1365-2591.2003.00667.x

Cited by 195 publications

(273 citation statements)

References 122 publications

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“…6,29,30 These conditions were augmented when the in-office bleaching technique, which uses bleach at a higher concentration, was performed. 31,32 As a result, a 24-hour to one-month waiting period after bleaching has been recommended before performing restorative procedures. The decrease in bond strength and reduction of the adhesive system interaction in bleached teeth are attributed to the presence of residual oxygen.…”

Section: Discussionmentioning

confidence: 99%

Effect of Sodium Ascorbate on Dentin Bonding After Two Bleaching Techniques

Briso

Rahal

Sundfeld

et al. 2014

Operative Dentistry

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Bleaching with either 10% carbamide peroxide or 35% hydrogen peroxide impairs the formation of the hybrid layer, resin tags, and bond strength. The use of sodium ascorbate following bleaching diminishes this adverse effect in the case of 10% carbamide peroxide but not so when 35% hydrogen peroxide is used as the bleaching agent. SUMMARYThe purpose of this study was to analyze the influence of 10% sodium ascorbate (SA) on the hybrid layer, resin tag length, and bond strength to dentin after bleaching. Six groups were tested: G C, control; G SA, sodium ascorbate (SA) + restoration; G CP, bleaching with carbamide peroxide (CP) + restoration; G CP+SA, bleaching with CP + SA+ restoration; G HP, bleaching with 35% hydrogen peroxide (HP) + restoration; and G HP+SA, HP + SA + restoration. After dental bleaching, the dentin was exposed and the antioxidant solution was applied to groups G SA, G CP+SA, and G HP+SA, before bonding procedures. The teeth were sectioned in the mesiodistal direction. One section was decalcified, and the specimens were embedded in paraffin and sectioned in the longitudinal direction with a thickness of 6 lm. Fifteen slices of each specimen were selected according to a systematic sample of slices with an interval proportional to the total number of slices obtained for each tooth. The specimens were stained using the Brown & Brenn method, and an optic microscope was used to analyze the hybrid layer thickness and resin tag length. The remaining tooth segment was sectioned into stick-shaped specimens and used for microtensile bond strength testing (0.5 mm/min). Statistical analysis was performed using two-way analysis of variance and Fisher test. The results for hybrid layer +

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Section: Discussionmentioning

confidence: 99%

Effect of Sodium Ascorbate on Dentin Bonding After Two Bleaching Techniques

Briso

Rahal

Sundfeld

et al. 2014

Operative Dentistry

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“…In group 3, the highly concentrated hydrogen peroxide gel was applied 5 times for 30 min imitating chairside in-office bleaching treatment. For simulation of the walking-bleach technique (group 4) the mixture of sodium perborate and distilled water was applied on dentine surfaces as recommended by Attin et al [1]. Between the treatments and during the post-treatment observation period, the samples were stored in artificial saliva and exposed alternately to dark conditions or daylight to simulate clinical conditions in the oral cavity.…”

Section: Discussionmentioning

confidence: 99%

12-Month color stability of enamel, dentine, and enamel–dentine samples after bleaching

et al. 2008

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“…This corresponds to the fact that clinically visible damage due to vital bleaching has not been described in the literature, although it is reported that bleaching non-vital teeth involves the risk of developing external cervical resorption. [1][2] Despite the fact that vital bleaching is not thought to create macroscopically visible defects, some studies have exhibited micro structural changes in dental hard tissue induced by bleaching agents, especially when bleaching agents are applied in high concentrations. 3 In addition, hydrogen and carbamide peroxide, which are commonly used bleaching agents, affect the bonding of enamel and dentin tissue when restorations are applied directly after bleaching treatment.…”

Section: Introductionmentioning

confidence: 99%

Reversal of Compromised Bonding in Bleached Enamel Using Antioxidant Gel

Kaya¹,

Türkün²,

Arici³

2008

Operative Dentistry

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Dental bond strength is significantly reduced when bonding is performed immediately after bleaching treatments. It has also been reported that the application of an antioxidant after bleaching treatment improves the adhesive bond strength of oxidized enamel tissue. The application of an antioxidant in gel form by the patient makes the application process easier and shortens time spent in the clinic. SUMMARYMany studies have shown a considerable reduction in the enamel bond strength of resin composite restorations when the bonding procedure is carried out immediately after bleaching. These studies claim that a certain waiting period is needed prior to performing the restoration in order to attain the original bond strength values. This study determined the most effective time duration for the application of sodium ascorbate prepared in gel form. The labial surfaces of 70 bovine incisors were polished with 600-grit silicon carbide paper on a water-irrigated metallurgical polishing wheel. The specimens were randomly divided into seven groups: 1) bleaching (10% Rembrandt Xtra-Comfort +) immersed in artificial saliva for seven days, 2) bonded immediately after bleaching, 3) bleaching + 10% sodium ascorbate (SA) gel for 10 minutes, 4) bleaching + 10% SA gel for 60 minutes, 5) bleaching + 10% SA gel for 120 minutes, 6) bleaching + 10% SA gel for 240 minutes and 7) bleaching + 10% SA gel for 480 minutes. After preparation, a standardshaped resin composite was applied to all specimens. The teeth were stored in distilled water at 37˚C for 24 hours and a universal testing machine determined their shear bond strength. The data were evaluated using ANOVA and Tukey tests. Antioxidant gel proved to be effective for increasing the shear bond strength of the resin composite to enamel. For maximum effectiveness, antioxidant gel should be applied to enamel for

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Review of the current status of tooth whitening with the walking bleach technique

Cited by 195 publications

References 122 publications

Effect of Sodium Ascorbate on Dentin Bonding After Two Bleaching Techniques

Effect of Sodium Ascorbate on Dentin Bonding After Two Bleaching Techniques

12-Month color stability of enamel, dentine, and enamel–dentine samples after bleaching

Reversal of Compromised Bonding in Bleached Enamel Using Antioxidant Gel

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