中间腹膜:流行率,新型分类和基于证据的调查
Mohammad Khursheed Alam1,2,3, Nawadir Hamoud Alanazi4, Tethkar Mukhlef Alanzi4
1Department of Preventive Dentistry, Orthodontic Division, College of Dentistry, Jouf University, Sakaka, Saudi Arabia.
Journal of orthodontic science
|January 12, 2026
概括
大中线腹 (MMD) 影响25%的沙特成年人,男性更为普遍. 关键原因包括中线转移和微牙,指导临床治疗.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 牙科形态学 牙科形态学
- 公共卫生 公共卫生
背景情况:
- maksillary midline diastema (MMD) 是一种常见的牙缺口,导致美学和心理社会问题.
- 多因素的原因包括唇,微牙,遗传学和口腔习惯.
研究的目的:
- 审查沙特成年人的MMD患病率和原因.
- 引入一种基于形状的MMD新型分类.
- 确定基于证据的MMD的诱导因素.
主要方法:
- 对18-30岁的沙特成年人进行横截面描述性研究.
- 评估MMD存在和大小的牙科模型 (牙,中间,切口).
- 分析病因,包括唇,微牙和中线转移;计算了博尔顿比率.
主要成果:
- MMD 的患病率为 25%,在男性中更高 (67%).
- 梯形 (44%) 和三角形 (40%) 的形状是最常见的.
- 唇延长 (25%),微牙 (19%) 和中线转移 (72%) 是主要的原因.
结论:
- MMD 呈现出多基因遗传.
- 一个新的基于形状的分类有助于诊断.
- 中线转移和微牙是MMD的关键易感因素.
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