带底物与不带底物正畸患者托槽失败率的评价

The Saudi Journal for Dental Research Pub Date : 2015-01-01 DOI:10.1016/j.sjdr.2014.08.001

Ambesh Kumar Rai

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引用次数: 7

摘要

引物被广泛认为是粘接正畸托槽的必要材料。然而，它们在降低支架故障率方面的作用经常受到质疑。目的探讨使用正畸引物与不使用正畸引物直接粘接时托槽失效率的差异。背景和设计在阿拉伯联合酋长国Ras Al Khaimah一家私人诊所进行的前瞻性单盲临床研究。方法与材料将38例需要全部第一前磨牙拔除治疗的I类双颌前突患者分为引物组和非引物组(19例/组)，标准化结合。随访从支架带起至治疗结束，记录整个治疗过程中支架故障率，并对其进行评估和比较。统计学分析采用Fischer精确检验检验两组间的统计学显著性(P < 0.05为显著)。结果非引物组脱粘率高于引物组，但无统计学意义和临床意义。结论不使用正畸底物粘接托槽是可行的;然而，还需要进一步的研究。

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Evaluation of bracket failure rate in orthodontic patients bonded with and without primer

Introduction

Primers are considered widely essential for bonding orthodontic brackets. However, their role in minimizing bracket failure rates has been frequently questioned.

Objective

To investigate the difference in the bracket failure rate in direct bonding with and without the use of orthodontic primer.

Setting and design

A prospective, single blinded clinical study at a private clinical practice in Ras Al Khaimah, United Arab Emirates.

Methods and material

38 class I bimaxillary protrusion patients requiring all first premolar extraction treatment were assigned to primer and non primer group (19/group) and bonded in a standardized manner. They were followed up from strap up till the end of treatment and bracket failure rate during the entire treatment was recorded, assessed and compared.