吮指习惯和面部高度离散作为混合牙列期前牙开（牙合）的危险因素。
Sucking habits and facial hyperdivergency as risk factors for anterior open bite in the mixed dentition.
作者信息
Cozza Paola, Baccetti Tiziano, Franchi Lorenzo, Mucedero Manuela, Polimeni Antonella
机构信息
Department of Orthodontics, University of Rome, Rome, Italy.
出版信息
Am J Orthod Dentofacial Orthop. 2005 Oct;128(4):517-9. doi: 10.1016/j.ajodo.2005.04.032.
INTRODUCTION
The aim of this study was to evaluate sucking habits and hyperdivergency as risk factors for anterior open bite in mixed-dentition subjects.
METHODS
Anamnestic and pretreatment cephalometric records of 1710 mixed-dentition subjects were assessed for sucking habits, dental open bite, and facial hyperdivergency.
RESULTS
The rate of anterior open bite was 17.7%. Multiple logistic regression showed that both prolonged sucking habits and hyperdivergent vertical relationships significantly increased the probability of an anterior dentoalveolar open bite, with a prevalence rate of 36.3%. This was 4 times the prevalence of sucking habits and facial hyperdivergency in subjects without anterior open bite (9.1%).
CONCLUSIONS
Prolonged sucking habits and hyperdivergent facial characteristics are significant risk factors for anterior open bite in the mixed dentition.
引言
本研究的目的是评估吮指习惯和高角型作为混合牙列期患者前牙开（牙合）的危险因素。
方法
对1710例混合牙列期患者的既往史和治疗前头颅侧位片记录进行评估，以确定吮指习惯、牙性开（牙合）和面部高角型。
结果
前牙开（牙合）的发生率为17.7%。多因素逻辑回归分析显示，长期吮指习惯和垂直向高角关系均显著增加前牙牙槽性开（牙合）的发生概率，发生率为36.3%。这是无前牙开（牙合）患者中吮指习惯和面部高角型发生率（9.1%）的4倍。
结论
长期吮指习惯和高角型面部特征是混合牙列期前牙开（牙合）的重要危险因素。
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