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首页> 外文期刊>Journal of Conservative Dentistry >A comparative evaluation of antimicrobial efficacy and flow characteristics of two epoxy resin-based sealers-AH plus and Perma Evolution: An in vitro study
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A comparative evaluation of antimicrobial efficacy and flow characteristics of two epoxy resin-based sealers-AH plus and Perma Evolution: An in vitro study

机译：两种基于环氧树脂的密封剂AH plus和Perma Evolution的抗菌功效和流动特性的比较评估：一项体外研究

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Aim of the Study: Bacteria that persist at the time of obturation increase the possibility of persistent apical periodontitis. An ideal sealer should be able to kill these remaining bacteria that are present on the dentinal walls as well as inside the dentinal tubules. This could be possible if a sealer has antimicrobial properties with optimum flow characteristics. Hence, the aim of this in vitro study was to assess the antimicrobial efficacy of epoxy resin-based sealer: AH Plus and Perma Evolution against Enterococcus faecalis on the 1st, 3rd, 5th, and 7th day and also to compare the flow characteristics of both epoxy resin-based sealers. Materials and Methods: E. faecalis ATCC 35550 strain was used to assess the antibacterial efficacy of sealers by agar-diffusion test (ADT) and direct-contact test (DCT). Flow characteristics of sealers were measured according to the ADA specification no. 57. Results: In ADT, Perma Evolution sealer showed larger zone of inhibition than AH plus on the 1st, 3rd, 5th, and 7th day, and in DCT, both sealers were equally effective in inhibiting E. faecalis growth on the 1st, 3rd, 5th, and 7th day. Flow test showed no significant difference between Perma Evolution and AH Plus sealer. Conclusion: Both the tested sealers were equally effective against E. faecalis up to 7 days of incubation period. Considering flow properties, both the tested sealers showed optimum flow as per the ADA specification no. 57.
机译：研究目的：闭塞时持续存在的细菌会增加持续性根尖性牙周炎的可能性。理想的封闭剂应该能够杀死牙本质壁以及牙本质小管内部存在的这些残留细菌。如果密封剂具有具有最佳流动特性的抗菌性能，则这是可能的。因此，这项体外研究的目的是评估基于环氧树脂的密封剂：AH Plus和Perma Evolution在第1、3、5和7天对粪肠球菌的抗菌作用，并比较两者的流动特性环氧树脂基密封剂。材料和方法：粪肠球菌ATCC 35550菌株通过琼脂扩散试验（ADT）和直接接触试验（DCT）评估封闭剂的抗菌效果。封口机的流动特性根据ADA规范No. 57.结果：在ADT中，Perma Evolution封闭剂在第1、3、5和7天显示出比AH加更大的抑制区域，在DCT中，两种封闭剂在第1、3天都同样有效地抑制粪肠球菌的生长。 ，第5和第7天。流动测试表明Perma Evolution和AH Plus密封剂之间无显着差异。结论：两种被测试的封闭剂在粪便中孵育7天都同样有效。考虑到流动特性，根据ADA规范No.2，两个测试的密封剂均显示出最佳的流动性。 57。

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