|تعداد مشاهده مقاله||10,702,787|
|تعداد دریافت فایل اصل مقاله||5,167,669|
Effectiveness of Nanoparticle-Based Acidulated Phosphate Fluoride (APF) Gel on Surface Enamel Fluoride Uptake: an Interventional Study
|Journal of Dentistry|
|مقاله 7، دوره 23، شماره 1 - شماره پیاپی 74، خرداد 2022، صفحه 40-50 اصل مقاله (931.25 K)|
|نوع مقاله: Original Article|
|شناسه دیجیتال (DOI): 10.30476/dentjods.2021.87895.1295|
|Anusha Raghavan 1؛ Aparna Sukumaran 1؛ Madan Kumar Parangimalai Diwakar 2|
|1Dept. of Public Health Dentistry, 2/102,East coast road, Uthandi, Chennai-600119, Tamil Nadu, India.|
|2Dept. of Public Health Dentistry, Ragas Dental College and Hospital, Tamil Nadu, India.|
|Statement of the Problem:Despite topical fluoride being used for over 50 years in caries prevention, its complete potential in terms of formation of fluorapatite enamel and prolonged surface retention has not been harnessed.|
Purpose: This study aimed to assess the effectiveness of nanoparticle based acidulated phosphate fluoride (APF) gel on surface enamel fluoride uptake through split mouth design over a period of six months, on patients undergoing orthodontic treatment and indicated for bilateral extraction of premolars on at least one of the arch.
Materials and Method: A split mouth non randomized clinical trial was performed.Each of the 30 participants received one application of 4 minutes duration of both the intervention: Right half of the mouth received nanoparticle based APF gel, and left half of the mouth received conventional APF gel (16 Oz Pascal Corp.; strawberry flavor). Bilateral acid etch biopsy of enamel surface was take at 3 intervals- baseline,24 hours and 30 days. Using 1ml of 0.5M perchloric acid, acid etch enamel biopsy was taken for all the study subjects at 3 intervals of time (baseline, 24 hours and 30 days), bilaterally on the buccal and palatal/lingual surface of maxillary or mandibular premolars indicated for extraction, using 1 (l of 0.5M perchloric acid. After the premolars were extracted, scanning electron microscope (SEM) analysis was done to determine the surface characteristics of enamel in both groups.
Results:Overall, both fluoride uptake and depth of biopsy remained significant even after controlling for the covariates (time, group) individually and simultaneously (p < 0.05). Further analysis showed that fluoride uptake was significantly increased and biopsy depth significantly decreased in the nanoparticle based APF gel group at 24 hour and 30 day evaluation respectively.
Conclusion: By reducing the size of sodium fluoride to increase the surface enamel uptake, our results support the use of this top down approach as a promising strategy for effective delivery of topical fluorides.This highlights that the top down approach of nanoscience to reduce the size active compound sodium fluoride has increased the uptake and retention of surface enamel fluoride.
|APF gel؛ Biopsy؛ Enamel fluoride؛ Nanoparticles|
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