Effect of antioxidant on orthodontic bracket bond strength after vital bleaching

Yadav, Deepti; Golchha, Vineet; Kamat, Nandini V; Paul, Rahul; Sharma, Pooja

doi:10.4103/ijdr.ijdr_36_17

Cited by 7 publications

(12 citation statements)

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“…Our results reveal that using 35% hydrogen peroxide in office for tooth bleaching significantly decreased the shear bond strength after immediate bonding, which was similar to the previous studies [5,13,15,38]. These results may be achieved by free radicals that interfered with adhesive system infiltration and inhibited their polymerization [39].…”

Section: Discussionsupporting

confidence: 89%

“…One of the most commonly used antioxidant agents in clinical and research studies is sodium ascorbate, which is the sodium salt derived from ascorbic acid. This derivative is a widely used antioxidant to regain the post-bleaching SBS after bleaching without postponing the bonding visit, both in vitro [12][13][14][15] and clinically [16]. Several studies applied 10% sodium ascorbate for 10 min as the gold standard for reducing the shear bond strength [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

“…This derivative is a widely used antioxidant to regain the post-bleaching SBS after bleaching without postponing the bonding visit, both in vitro [12][13][14][15] and clinically [16]. Several studies applied 10% sodium ascorbate for 10 min as the gold standard for reducing the shear bond strength [12][13][14][15]. Despite its potential benefits, using sodium ascorbate for bonding requires an extra etching procedure with phosphoric acid [15,[17][18][19][20], which conflicts with the preference for rapid treatment among patients at present.…”

Section: Introductionmentioning

confidence: 99%

“…Several studies applied 10% sodium ascorbate for 10 min as the gold standard for reducing the shear bond strength [12][13][14][15]. Despite its potential benefits, using sodium ascorbate for bonding requires an extra etching procedure with phosphoric acid [15,[17][18][19][20], which conflicts with the preference for rapid treatment among patients at present. Moreover, sodium ascorbate has a short shelf life and is highly unstable, and rapidly oxidizes after being exposed to the air [21,22].…”

Section: Introductionmentioning

confidence: 99%

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One-Step Surface-Treatment Reagent (35% 3-O-Ethyl-l-ascorbic Acid Plus 50% Citric Acid Solution) Restores the Shear Bond Strength of Metal Brackets Bonded to Bleached Human Enamel: An In Vitro Study

et al. 2023

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This study investigates how a new substance, composed of ethyl ascorbic acid and citric acid, affects the shear bond strength (SBS) of metal brackets when bonded to bleached teeth. Forty maxillary premolar teeth were used and randomly placed into four groups (n = 10): the control group did not undergo bleaching; the remaining groups underwent bleached using 35% hydrogen peroxide. In group A, 37% phosphoric acid was applied after bleaching. In group B, 10% sodium ascorbate was used for ten minutes before 37% phosphoric acid. In group C, 35%3-O-ethyl-l-ascorbic acid plus 50% citric acid solution (35EA/50CA) was applied for 5 min. The subgroups were bonded immediately after bleaching. The SBS was determined with a universal testing machine and analyzed using one-way ANOVA and then Tukey’s HSD tests. Adhesive remnant index (ARI) scores were determined with a stereomicroscope and analyzed with a chi-squared test. The significance level was 0.05. Group C demonstrated significantly higher SBS values than group A (p < 0.001), but was not significantly different than the control group or group C (p > 0.05). The ARI scores were significantly different among the groups (p < 0.001). In conclusion, enamel surface treatment using 35EA/50CA improved the reduced SBS to an acceptable clinical level and reduced the clinical chair time.

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Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

One-Step Surface-Treatment Reagent (35% 3-O-Ethyl-l-ascorbic Acid Plus 50% Citric Acid Solution) Restores the Shear Bond Strength of Metal Brackets Bonded to Bleached Human Enamel: An In Vitro Study

et al. 2023

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“…Many studies note a significant increase in bond strength values between composite resin and enamel whitened with different bleaching concentrations and treated with 10% SA [29,31,32].…”

Section: Discussionmentioning

confidence: 99%

The Effect of Different Bleaching Protocols, Used with and without Sodium Ascorbate, on Bond Strength between Composite and Enamel

et al. 2020

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This in vitro study aims to evaluate whether a solution of 10% sodium ascorbate (SA) may exert a beneficial effect on the bonding of composite to enamel after using different bleaching agents and protocols. Microtensile bond strength (µTBS) was evaluated on 72 freshly extracted human central incisors, divided into eight experimental groups and one control group (total n = 9): Group 1 serves as control (nonbleached). Group 2 was bleached with 5% carbamide peroxide. Group 3 was bleached with 5% carbamide peroxide and then treated with 10% SA. Group 4 was bleached with 10% carbamide peroxide. Group 5 was bleached with 10% carbamide peroxide, then treated with 10% SA. Group 6 was bleached with 16% carbamide peroxide. Group 7 was bleached with 16% carbamide peroxide, then treated with 10% SA. Group 8 was bleached with 6% hydrogen peroxide. Group 9 was bleached with 6% hydrogen peroxide, then treated with 10% SA. All groups were restored immediately after the different treatments using a resin composite. The µTBS values were measured using a universal testing machine and statistical analysis was performed by means of normality and variance analyses, SIDAK test for univariate test and multiple comparisons, and Student test to compare µTBS values of each group with the control. The mean µTBS values in groups 2, 4, 6, 8 were significantly lower than controls. For groups 3, 5, 7, 9, subjected to antioxidant (10% SA) application, all µTBS values increased significantly. However, only for Groups 3 and 5 there was no significant difference with the control. Applying 10% SA for 10 min may improve the bond strength composite/bleached enamel just when whitening is performed with 5% and 10% carbamide peroxide.

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Antioxidant effect on shear bond strength of orthodontic brackets after tooth bleaching: A scoping review of in vitro studies

Zaki

Ghorab

Shamaa

2023

International Orthodontics

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Effect of antioxidant on orthodontic bracket bond strength after vital bleaching

Cited by 7 publications

References 0 publications

One-Step Surface-Treatment Reagent (35% 3-O-Ethyl-l-ascorbic Acid Plus 50% Citric Acid Solution) Restores the Shear Bond Strength of Metal Brackets Bonded to Bleached Human Enamel: An In Vitro Study

One-Step Surface-Treatment Reagent (35% 3-O-Ethyl-l-ascorbic Acid Plus 50% Citric Acid Solution) Restores the Shear Bond Strength of Metal Brackets Bonded to Bleached Human Enamel: An In Vitro Study

The Effect of Different Bleaching Protocols, Used with and without Sodium Ascorbate, on Bond Strength between Composite and Enamel

Antioxidant effect on shear bond strength of orthodontic brackets after tooth bleaching: A scoping review of in vitro studies

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