Metallic vs Ceramic Bracket Failures After 12 Months of Treatment: A Prospective Clinical Trial.

IF 3.2 3区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

International dental journal Pub Date : 2024-05-13 DOI:10.1016/j.identj.2024.04.023

Andrea Scribante, Maurizio Pascadopoli, Paola Gandini, Riccardo Mangia, Costanza Spina, Maria Francesca Sfondrini

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引用次数: 0

Abstract

Introduction: Orthodontic treatment with fixed vestibular appliances is still widely used worldwide. When choosing the aesthetic alternative of ceramic brackets, the possibility of failure and cracking of braces should be considered. Therefore, the aim of the present study was to compare the failure rates of ceramic and metal brackets in a 12-month clinical study.

Methods: Eighty patients undergoing fixed orthodontic treatment with vestibular appliances were enrolled and divided into 2 equal groups: MET for metal brackets and CER for ceramic brackets. After bonding, bracket failures were recorded for 12 months, along with the archwire placed at the time of failure. Angle's dental class, skeletal class, Wits appraisal, Little's irregularity index, overjet, overbite, age, and gender of the patients were recorded from pretreatment cephalometric tracings and study casts. The data were statistically analysed (P < .05).

Results: Significantly higher failure rates were found for ceramic brackets in the overall analysis, in the mandibular arch, and in the posterior region. Regression analysis revealed a significant influence of round nickel-titanium archwires on higher failure rates, whilst a significant influence of rectangular archwires was found on lower failure rates.

Conclusions: Ceramic brackets showed higher failure rates. Patients should be aware that orthodontic treatment with ceramic brackets may involve delays and inconvenience due to the higher failure rate compared to metal brackets.

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金属托槽与陶瓷托槽治疗 12 个月后的故障：前瞻性临床试验

简介使用固定前庭矫治器进行正畸治疗在全世界仍被广泛使用。在选择陶瓷托槽作为美学替代品时，应考虑托槽失效和开裂的可能性。因此，本研究的目的是在为期 12 个月的临床研究中比较陶瓷托槽和金属托槽的失效率：方法：选取 80 名使用前庭矫治器进行固定正畸治疗的患者，将其分为 2 组：金属托槽为 MET 组，陶瓷托槽为 CER 组。粘接后，记录托槽在 12 个月内的失效情况以及失效时所使用的弓丝。根据治疗前的头颅测量描记图和研究模型，记录患者的Angle牙齿等级、骨骼等级、Wits评价、Little不整齐指数、过咬合、过咬合、年龄和性别。对数据进行了统计分析（P < .05）：结果：在总体分析中发现，陶瓷托槽在下颌牙弓和后牙区的失败率明显较高。回归分析显示，圆形镍钛弓丝对较高的失效率有显著影响，而矩形弓丝对较低的失效率有显著影响：陶瓷托槽的失效率较高。患者应注意，与金属托槽相比，陶瓷托槽的失败率较高，因此使用陶瓷托槽进行正畸治疗可能会造成延误和不便。

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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来源期刊

International dental journal 医学-牙科与口腔外科

CiteScore

4.80

自引率

6.10%

发文量

159

审稿时长

63 days

期刊介绍： The International Dental Journal features peer-reviewed, scientific articles relevant to international oral health issues, as well as practical, informative articles aimed at clinicians.