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J Contemp Dent Pract ; 21(10): 1170-1175, 2020 Oct 01.
Article in English | MEDLINE | ID: mdl-33686042

ABSTRACT

AIM AND OBJECTIVE: The aim of this study was to evaluate the efficacy of novel antioxidant oregano against conventional antioxidants sodium ascorbate and green tea through comparison of the baseline weight percentage (wt%) of minerals prior to bleaching with values after bleaching protocols and antioxidant application by employing energy-dispersive X-ray spectroscopy analysis (EDAX). MATERIALS AND METHODS: Thirty noncarious, freshly extracted human permanent maxillary incisors without any visible defects were selected as samples. They were divided into three groups (n = 10) based on the antioxidant treatment received as follows: group I-10% sodium ascorbate solution, group II-10% green tea solution, and group III-5% oregano solution. 35% hydrogen peroxide was employed for bleaching. The wt% of teeth was calculated at three time intervals. The initial wt% was calculated prior to the bleaching procedure. The second one was calculated after subjecting to bleaching protocols, and final one was calculated after antioxidant treatment using EDAX. RESULTS: There was a statistically significant decrease in the calcium/phosphorus ratio for the bleached samples in comparison with the sound enamel. There was a comparable and significant increase in the calcium/phosphorus ratio values after application of the antioxidant with insignificant difference among the antioxidants evaluated in the study. CONCLUSION: Treatment with antioxidants helped in the reversal of mineral loss, which occurred due to the bleaching procedure while the efficacy of 10% oregano on reversal of the calcium and phosphorus ratio was found to comparable to that of 10% sodium ascorbate and green tea. CLINICAL SIGNIFICANCE: Application of antioxidants after bleaching reduced the time delay in performing the adhesive procedures without compromising their clinical efficacy.


Subject(s)
Dental Bonding , Origanum , Tooth Bleaching , Antioxidants/pharmacology , Dental Enamel , Humans , Spectrum Analysis , X-Rays
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