Effects of three adhesion boosters on the shear bond strength of new and rebonded brackets--an in vitro study.

World journal of orthodontics Pub Date : 2010-01-01

Anitha Vijayakumar, Sundaram Venkateswaran, N Rengarajan Krishnaswamy

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Abstract

Aim: To evaluate the effects of three adhesion boosters--All-Bond 2, Enhance LC, and Ortho Solo--on the shear bond strength of new and rebonded (previously debonded) brackets.

Methods: One hundred new and 100 sandblasted debonded brackets were bonded to 200 extracted human premolars and divided into eight groups.

Results: The new brackets/Ortho Solo group yielded the highest bond strength, followed by the new brackets/All-Bond 2 and the new brackets/Enhance LC groups. During rebonding, Ortho Solo improved the bond strength significantly; however, All-Bond 2 and Enhance LC did not.

Conclusion: (1) Bond strength is significantly improved when new brackets are bonded with an adhesion booster; (2) without any adhesion booster, sandblasted rebonded brackets yield a significantly lower bond strength than new brackets; (3) Enhance LC failed to improve the bond strength of rebonded brackets; (4) Ortho Solo increased the bond strength of rebonded brackets significantly; and (5) brackets rebonded with Ortho Solo yielded comparable bond strength as new brackets without any adhesion booster.

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三种粘结增强剂对新支架和再粘合支架剪切强度的影响——体外研究。

目的:评估三种粘结助推器——All-Bond 2、Enhance LC和Ortho Solo——对新支架和再粘接(先前去粘接)支架剪切强度的影响。方法:将100个新托槽和100个喷砂脱粘托槽与200个拔除的人前磨牙进行粘接，分为8组。结果:新托槽/Ortho Solo组的结合强度最高，其次是新托槽/All-Bond 2组和新托槽/Enhance LC组。在重粘过程中，Ortho Solo显著提高了粘接强度;然而，All-Bond 2和Enhance LC却没有。结论:(1)新托槽使用附着力增强剂粘结后，粘结强度明显提高;(2)在没有任何附着力增强剂的情况下，喷砂再粘合支架的粘结强度明显低于新支架;(3)增强LC未能提高再粘合支架的粘结强度;(4) Ortho Solo显著提高了再粘合支架的粘结强度;(5)与Ortho Solo重新粘合的支架与没有任何附着力增强剂的新支架的粘合强度相当。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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World journal of orthodontics

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