在接受正牙治疗和不接受正牙治疗的个体中,长期变化:一项为期30年的队列研究
Jolina Bokan1, Jonas Q Schmid2, Claudius Middelberg1
1Department of Orthodontics, University of Münster, Münster, Germany.
概括
牙正治疗有效地减少了长期的大型过喷射,但并没有显著降低腐烂,缺失和填充牙指数 (DMFT) 的得分. 最初的大型喷射增加了创伤性牙损伤的风险.
科学领域:
- ортодонтика和牙科公共卫生
- 牙科长度队列研究 牙科长度队列研究
背景情况:
- 大型喷射是创伤性牙损伤 (TDI) 的已知危险因素.
- 慕尼黑长期研究 (MLS) 追踪了几十年来牙的发展和治疗结果.
研究的目的:
- 为了研究长期变化在overjet与或没有正牙干预.
- 为了评估是否纠正大喷气减少了牙切口器中腐烂,缺失和填充牙指数 (DMFT) 的得分.
主要方法:
- 纵向队列研究 (MLS) 在1981-2001年间进行初步检查 (T0) 并在2022-2023年进行后续检查 (T1).
- 临床检查和口腔内扫描评估了73名参与者 (50名接受治疗,23名未接受治疗) 的过喷射,DMFT,TDI和治疗史.
- 统计分析包括曼·惠特尼U和对对 t 测试 (α=0.05).
主要成果:
- 与未接受治疗组 (2.6 mm) 相比,接受治疗组的初始喷射量 (4.0 mm) 显著增加 (p=0.002).
- 牙正治疗显著减少了长期的过度喷射 (p<0.001),随访时组之间没有显著差异 (p=0.105).
- 两组之间没有发现腹切口DMFT得分的显著差异 (p=0.276). 在接受治疗的参与者中,TDI发生在30%的受试者中,而未接受治疗的参与者中,TDI发生在8.7%.
- 在T0时每毫米的超喷射增加都与TDI的47%更高的几率相关 (OR1.47).
结论:
- ортодонтическое治疗证明了长期的有效性,改善和正常化过度喷射.
- 尽管有过度喷射纠正,但正义牙科治疗并没有导致该队列上切口的DMFT得分下降.
- 最初的超喷射幅度仍然是创伤性牙损伤风险的重要预测指标.
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