Comparative evaluation of 6% cranberry, 10% green tea, 50% aloe vera and 10% sodium ascorbate on reversing the immediate bond strength of bleached enamel: In vitro study

Rahman, Hena; Ansari, Mohd Irfan; Khangwal, Monika; Solanki, Ramkrishna S.; Mansoori, Shahnaz

doi:10.1016/j.jobcr.2020.12.007

Cited by 9 publications

(10 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is a conservative treatment that permits a successful aesthetic outcome with minimal expenses (25,26) . Despite of the satisfactory esthetic results obtained after teeth bleaching, some drawbacks has been observed as morphological alterations of teeth, increased surface roughness, reduced microhardness in addition to compromised bond strength of composite resin to bleached enamel (27) .…”

Section: Discussionmentioning

confidence: 99%

Effect of Pomegranate and Banana Extracts on Microshear Bond Strength of Resin Composite to Bleached Bovine Enamel: An In-Vitro Study

2022

View full text Add to dashboard Cite

Purpose: To evaluate the effect of pomegranate and banana extracts (natural antioxidants) versus ascorbic acid (synthetic antioxidant) prepared in 10% and 15% concentrations on microshear bond strength (µSBS) to bleached enamel. Materials and Methods: A total of 56 bovine incisors were selected for the current study. Forty teeth were used for microshear bond strength and divided into 5 groups according to antioxidant type; Group 1: No bleaching + No antioxidant (negative control), Group 2: Bleaching + No antioxidant (positive control), Group 3: ascorbic acid, Group 4: pomegranate extract and Group 5: banana extract. Groups 3,4 and 5 were further divided into 2 subgroups according to concentration of antioxidant: 10% and 15%.Bleaching gel was applied according to manufacturer instructions. Antioxidants were applied for 10 min. Composite specimens were prepared and tested for µSBS using universal testing machine. Sixteen bovine incisors were prepared and tooth-restoration interfaces were assessed using SEM. Data were tabulated and statistically analyzed.Results: Negative control and 15% ascorbic acid recorded the highest mean µSBS values followed by 15% and 10% pomegranate groups. No significant difference was reported between 10% ascorbic acid and 15% banana. Lowest mean values were obtained with 10% banana and positive control groups with no significant difference between them. Conclusions: Pomegranate in both concentrations and 15% banana extract could partially reverse compromised bond strength. Use of 15% ascorbic is able to totally regain bond strength to bleached enamel. Banana extract in low concentration is not beneficial in improvement of bond strength after bleaching.

show abstract

Section: Discussionmentioning

confidence: 99%

Effect of Pomegranate and Banana Extracts on Microshear Bond Strength of Resin Composite to Bleached Bovine Enamel: An In-Vitro Study

2022

View full text Add to dashboard Cite

show abstract

“…Ascorbic acid (vitamin C) is believed to improve bond strength; however, the low pH of ascorbic acid (approximately 4.0) can lead to over-conditioning of the enamel surface. Therefore, SA, the neutral salt of ascorbic acid (pH of approximately 7.0), is more applicable intraorally [ 14 , 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Can antioxidant treatment replace delay in bracket bonding? An in vitro study

et al. 2023

View full text Add to dashboard Cite

Background Deterioration in shear bond strength has been reported after immediate bracket bonding following hydrogen peroxide bleaching. This study compared the effectiveness of three antioxidant agents, namely, alpha-tocopherol, green tea extract, and sodium ascorbate, in reversing the bleaching effect and as possible alternatives to delayed bonding. Methods A total of 105 extracted human premolars were arbitrarily assigned to 7 groups (n = 15 each), including group 1 as the unbleached control group and six experimental groups, which were bleached with 40% hydrogen peroxide in three sessions of 15 min each. In experimental group 2, bonding was performed immediately after bleaching, whereas in groups 3 and 4, bonding was delayed for 1 and 2 weeks, respectively; meanwhile, the specimens were immersed in artificial saliva at 37 °C. Groups 5, 6, and 7 were treated immediately after bleaching with 10% of alpha-tocopherol, green tea extract, and sodium ascorbate solutions, respectively, for 15 min. Specimens were processed using 500 thermal cycles between 5 and 55 °C, with a dwell time of 30 s after 24 h of bracket bonding, and then tested for shear bond strength. The adhesive remnant index was examined to evaluate fracture mode. One-way analysis of variance, Kruskal–Wallis H, and post hoc Tukey’s honestly significant difference tests were used to compare the data. Significant results were subjected to pairwise comparisons with Bonferroni’s correction-adjusted of p values ≤ 0.050. Results Shear bond strength was significantly lower (p < 0.001) in the immediate bonding and 1-week delay groups than in the control group. However, no significant difference was detected among the 2-week delay, antioxidant-treated, and control groups (p > 0.05). Conclusions Application of 10% alpha-tocopherol, green tea extract, or sodium ascorbate for 15 min could restore shear bond strength after 40% hydrogen peroxide bleaching as an alternative to delay in bracket bonding.

show abstract

“…Numerous research aimed at how post‐bleaching antioxidant applications affect composite restorations' shear bond strength, showing that antioxidant applications have a positive effect 24–26 . While it is vital to restore bond strength after bleaching, it is also critical to protect pulp cells from the possible transdentinal diffusion of hazardous ingredients in bleaching agents 15 …”

Section: Introductionmentioning

confidence: 99%

“…22,23 Numerous research aimed at how post-bleaching antioxidant applications affect composite restorations' shear bond strength, showing that antioxidant applications have a positive effect. [24][25][26] While it is vital to restore bond strength after bleaching, it is also critical to protect pulp cells from the possible transdentinal diffusion of hazardous ingredients in bleaching agents. 15 Moreover, the effectiveness of systemic ascorbic acid treatment to stop tooth sensitivity brought on by bleaching was researched in a single study, 27 but no clinical research has been done to determine how antioxidant therapy affects teeth's sensitivity after bleaching.…”

mentioning

confidence: 99%

Effect of antioxidant on tooth sensitivity after bleaching

Nabil,

Hasan,

Shebl

2023

J Esthet Restor Dent

View full text Add to dashboard Cite

ObjectivesThis study aimed to investigate the effect of antioxidant (sodium ascorbate) on tooth sensitivity after two in‐office bleaching techniques (light‐activated and chemical bleaching).Materials and MethodsTen patients aged 18–25 were bleached in four groups according to bleaching materials and/or antioxidant used. Group A: Maxillary right quadrant received light‐activated bleaching with antioxidant. Group B: Maxillary left quadrant received light‐activated bleaching without antioxidant. Group C: Mandibular right quadrant received chemical bleaching without antioxidant. Group D: Mandibular left quadrant received chemical bleaching with antioxidant. The tooth sensitivity was recorded using Numerical Rating Scale (NRS) and Schiff Scale (SS) immediately after treatment, 1 day, 1 week, 2 weeks, and 1 month follow‐up periods.ResultsGroup B exhibited higher sensitivity values than Group A. This difference was statistically significant on the first day after treatment (p = 0.027* in NRS and p = 0.046* in SS). Furthermore, antioxidant incorporation in Group D led to a reduction in teeth sensitivity values compared to Group C. This disparity was highly significant on the first day after treatment (p = 0.001* in NRS and p < 0.001** in SS).ConclusionsThe antioxidant (10% sodium ascorbate) reduces the intensity of tooth sensitivity at the different follow‐up periods, especially after 1 day from bleaching.Clinical SignificanceUsing 10% sodium ascorbate after bleaching is advisable to reduce post‐operative tooth sensitivity.

show abstract

Comparative evaluation of 6% cranberry, 10% green tea, 50% aloe vera and 10% sodium ascorbate on reversing the immediate bond strength of bleached enamel: In vitro study

Cited by 9 publications

References 29 publications

Effect of Pomegranate and Banana Extracts on Microshear Bond Strength of Resin Composite to Bleached Bovine Enamel: An In-Vitro Study

Effect of Pomegranate and Banana Extracts on Microshear Bond Strength of Resin Composite to Bleached Bovine Enamel: An In-Vitro Study

Can antioxidant treatment replace delay in bracket bonding? An in vitro study

Effect of antioxidant on tooth sensitivity after bleaching

Contact Info

Product

Resources

About