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Effect of Two Methods of Remineralization and Resin Infiltration on Surface Hardness of Artificially Induced Enamel Lesions | ||
| Journal of Dentistry | ||
| مقاله 3، دوره 21، شماره 1 - شماره پیاپی 66، خرداد 2020، صفحه 12-17 اصل مقاله (285.59 K) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.30476/dentjods.2019.77864. | ||
| نویسندگان | ||
| Parastou Behrouzi1؛ Haleh Heshmat2؛ Maryam Hoorizad Ganjkar3؛ Seyedeh Farnaz Tabatabaei* 4؛ Mohammad Javad Kharazifard5 | ||
| 1Dentist | ||
| 2Dental Material Research Center of Tehran University of Medical Sciences, Dept. of Restorative and Cosmetic Dentistry, Islamic Azad University, Tehran, Iran. | ||
| 3Dept. of Restorative and Cosmetic Dentistry, Islamic Azad University, Tehran, Iran. | ||
| 4Dept. of Restorative and Cosmetic Dentistry, Semnan University of Medical Sciences, Semnan, Iran. | ||
| 5Dental Research Center, Dental Research Institute, Tehran University of Medical Sciences, Tehran, Iran. | ||
| چکیده | ||
| Statement of the Problem: The progression of incipient carious lesions may be simply prevented by non-invasive remineralization of lesions, eliminating the need for invasive and high-cost restorative procedures. Purpose: This study aimed to assess the effect of two commonly used remineralizing agents and resin infiltration on surface micro hardness of incipient enamel lesions at different time points. Materials and Method: In this in vitro study 45 intact human maxillary central incisors were selected. After disinfection, enamel samples measuring 5x5x2.5 mm were cut out of the labial surface of the teeth. The surface of samples was polished and they were mounted in auto-polymerizing acrylic resin. According to Amaechi’s method samples were immersed in acidified hydroxyethylcellulose system (pH = 4.5) for 96 hours to induce white spot lesions (WSLs). The baseline surface micro hardness of samples was measured using a Vickers hardness tester, then the samples were randomly divided into three groups (n=15) based on different remineralization methods: MI-Paste Plus, Remin Pro and ICON-Infiltrant according to the manufacturer’s instructions. All samples were stored in anti-dry mouth treatment agent during the experiment and their surface hardness was measured at 15 days (T1) and 20 weeks (T2). Results: The hardness of samples in MI-Paste Plus and Remin Pro groups significantly increased at both T1 and T2 (p < 0.001) but this increase was not significant in ICON group (p > 0.05). Conclusion: MI-Paste Plus and Remin Pro can efficiently increase the hardness of incipient enamel lesions. | ||
| کلیدواژه‌ها | ||
| Enamel Remineralization؛ Resin Infiltrant؛ Hardness | ||
| مراجع | ||
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