在覆盖恢复中,准备和凝固之间牙的位置是否会发生变化? 一个临床评估与/没有预约临时安排
Del Bianco Federico1, Mancuso Edoardo1, Mazzitelli Claudia1
1Department of Biomedical and Neuromotor Science (DIBINEM), Alma Mater Studiorum, University of Bologna, Bologna, Italy.
概括
临时修复可以在为覆盖修复做准备后防止牙移动. 省略它们可能会增加特定牙的位置变化的风险,影响牙科治疗结果.
科学领域:
- 牙科材料科学 牙科材料科学
- 恢复性牙科 恢复性牙科
- ортодонтическая 机械学 牙正统的 机械
背景情况:
- 用于覆盖修复的牙准备工作在最终凝固之前创造了一个间隔.
- 未受保护的准备牙可能会经历不必要的位置变化.
- 这种变化可能会损害最终修复的适合性和成功.
研究的目的:
- 为了评估覆盖恢复的准备和凝固之间的牙位置变化.
- 评估临时恢复对这些位置变化的影响.
- 量化支柱,对手和相邻牙的运动.
主要方法:
- 准备了需要重叠修复的50颗牙,并分为两个组:有和没有临时修复.
- 在准备 (T0) 后立即进行数字扫描,并在凝固 (T1) 之前进行数字扫描.
- 扫描被叠加以测量支柱 (AB),对手 (AN) 和相邻 (AD) 牙的线性移位.
主要成果:
- 牙的位置显著影响了牙的移动 (p < 0.0001).
- 支柱牙 (AB) 比对手牙 (AN) 和相邻牙 (AD) 运动明显大 (p < 0.0001).
- 临时修复显著减少了尾的运动 (p = 0.002),但没有其他牙.
结论:
- 忽略临时修复会增加牙位置变化的风险.
- 这种风险特别适用于特定的牙类别,可能会影响覆盖修复的结果.
- 建议使用临时修复,在治疗间隔期间保持牙的位置.
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