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诺拉干场装置作为一个隔离系统的有效性,用于粘合下面的舌头保持器
Sara Antelo-Ríos1, Henar Sastre-Álvaro2, Iván Nieto-Sánchez2
1Orthodontic Graduate student. Centro Odontológico Hospital San Rafael. Francisco de Vitoria University. Madrid.
Journal of clinical and experimental dentistry
|October 9, 2025
概括
这项研究比较了两种方法,用于粘合下面的舌腔正牙保持器. 虽然这两种方法都没有显示出失效率的统计学上显著差异,但在保持器稳定性方面,两种方法都表现出相似的成功.
科学领域:
- 牙科 牙科是指牙科的专业.
- 矯正牙科 矯正牙科是一種矯正牙科.
背景情况:
- 牙正治疗的保留阶段缺乏具体的指导方针,导致有争议的做法.
- 保持器脱落会造成牙移动的风险,需要紧急干预.
- 粘合期间的唾液水分是影响保持器稳定性的关键因素.
研究的目的:
- 为了比较与NOLA收缩机相结合的下面舌腔正牙保持器的故障率,与Spandex收缩机相比.
- 评估两种隔离技术在防止在正牙治疗期间保持器脱落的有效性.
主要方法:
- 一项试点研究采用了流行病学,观察,描述和纵向设计.
- 32名参与者被分为两个组:NOLA收缩机 (n=16) 和Spandex收缩机 (n=16).
- 统计分析包括Shapiro-Wilk测试的正常性和学生的t测试的组比较.
主要成果:
- NOLA组的失败率为25.0%,而Spandex组的失败率为37.5%,这一差异在统计学上并不显著 (p=0.446).
- 两组患者的Little's Irregularity Index随着时间的推移逐渐增加.
- 在NOLA组中,不规则指数的增加更大,但在3个月或6个月后没有达到统计学意义.
结论:
- 这两种隔离方法在保持固定牙科器械的成功率都相当.
- 在这项试点研究中,选择隔离技术并没有显著影响保持器故障率.
- 需要进一步的研究,以建立关于正统牙科支器稳定性的最终指南.
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