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首页> 外文期刊>Journal of Conservative Dentistry >Effect of silver diamine fluoride-potassium iodide and 2% chlorhexidine gluconate cavity cleansers on the bond strength and microleakage of resin-modified glass ionomer cement
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Effect of silver diamine fluoride-potassium iodide and 2% chlorhexidine gluconate cavity cleansers on the bond strength and microleakage of resin-modified glass ionomer cement

机译：二胺氟化银-碘化钾和2％葡萄糖酸洗必泰空腔清洁剂对树脂改性玻璃离聚物水泥的粘结强度和微渗漏的影响

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Background: Disinfection of the prepared cavity can be a crucial step in the longevity of restorations. The objective of this study was to compare the antimicrobial action (AMA) of silver diamine fluoride-potassium iodide combination (SDF-KI) with 2% chlorhexidine gluconate (CHX) and to compare the alteration in bond strength and microleakage while using SDF-KI and CHX as cavity cleansers in resin-modified glass ionomer cement (RMGIC) restorations. Materials and Methods: Samples were grouped as follows: Group 1: Polyacrylic acid (PAA), Group 2: CHX, Group 3: SDF-KI, and Group 4: Distilled water (CTRL). AMA was assessed by measuring the zone of inhibition of the above-mentioned materials by dispensing them into the punch hole prepared on agar plates with an inoculum of Streptococcus mutans . For assessing the effect of the cavity cleansers on the bond strength of RMGIC, they were applied to the dentinal samples prepared from freshly extracted noncarious molars. After the surface was treated, cylindrical restoration of RMGIC was placed and allowed to set. The shear bond strength was then evaluated using a universal testing machine. Rhodamine-B dye penetration was viewed under a fluorescent microscope to evaluate the microleakage of RMGIC following surface treatment of the standardized cavities prepared on the cervical third of freshly extracted noncarious premolars. Results: SDF-KI (34 ± 0.8 mm) showed potent AMA followed by CHX (23.9 ± 0.7 mm) and PAA (12.7 ± 0.8 mm). SDF-KI showed a drastic increase in the bond strength when compared to the PAA, CHX, and CTRL groups. Although the application of SDF-KI showed the least microleakage among all the groups, it was not statistically significant. Conclusion: The application of SDF-KI and CHX is useful against S. mutans in an in vitro study. Although SDF-KI group showed the least microleakage among the groups, it was not statistically significant. SDF-KI application has shown a drastic increase in the bond strength of RMGIC although further research is required for the suitable reasoning of the phenomenon.
机译：背景：对准备好的腔进行消毒可能是修复体长寿的关键一步。这项研究的目的是比较氟化二胺银-碘化钾（SDF-KI）与2％葡萄糖酸氯己定（CHX）的抗菌作用（AMA），并比较使用SDF-KI时粘合强度和微渗漏的变化CHX作为树脂改性的玻璃离子水门汀（RMGIC）修复体中的型腔清洁剂。材料和方法：样品按以下方式分组：第1组：聚丙烯酸（PAA），第2组：CHX，第3组：SDF-KI和第4组：蒸馏水（CTRL）。通过将上述物质分配到带有变形链球菌接种物的琼脂板上制备的打孔中，通过测量上述物质的抑制区域来评估AMA。为了评估腔清洁剂对RMGIC粘结强度的影响，将它们应用于由新鲜提取的非龋齿制成的牙质样品。表面处理后，将RMGIC的圆柱修复体放置并固定。然后使用通用测试机评估剪切粘合强度。在荧光显微镜下观察若丹明-B染料的渗透性，以评估在新鲜提取的非龋齿前颈的三分之一处制备的标准化腔体表面处理后RMGIC的微渗漏。结果：SDF-KI（34±0.8毫米）显示有效的AMA，其次是CHX（23.9±0.7毫米）和PAA（12.7±0.8毫米）。与PAA，CHX和CTRL组相比，SDF-KI的粘合强度显着提高。尽管在所有组中使用SDF-KI均显示出最小的微渗漏，但在统计学上没有统计学意义。结论：SDF-KI和CHX的应用在体外研究中对变形链球菌有用。尽管SDF-KI组的微渗漏最少，但无统计学意义。 SDF-KI的应用已显示RMGIC的粘结强度急剧增加，尽管需要对此现象的适当推理进行进一步研究。

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