Department of Orthodontics, School of Dentistry, Autonomous University of Yucatan, Yucatán, México.
Department of Orthodontics, School of Dentistry, Autonomous University of Campeche, Campeche, México.
Cranio. 2023 Sep;41(5):461-466. doi: 10.1080/08869634.2020.1868907. Epub 2021 Jan 7.
OBJECTIVE: To evaluate the association between temporomandibular disorders (TMD) and malocclusion complexity using the Index of Complexity Outcome and Need (ICON) levels. METHODS: A prospective, cross-sectional, case and control study was done. Cases and controls were matched in a one-to-one relationship (179 subjects each). The Research Diagnostic Criteria was used to evaluate the presence of TMD, and the ICON was used to quantify malocclusion complexity. A binary logistic regression ( < 0.05) was used to identify associations between variables. RESULTS: TMD presence was associated with gender and malocclusion complexity ( < 0.05). The largest proportion of controls were in the lowest three levels of ICON complexity, while most cases were in the three highest levels ( < 0.001). Higher malocclusion complexity indicated a greater TMD risk. CONCLUSION: The results indicate that TMD is associated with malocclusion complexity. As malocclusion complexity increases, so do the odds of presenting with TMD.
目的：使用复杂性结局和需求指数（ICON）评估颞下颌关节紊乱（TMD）与错畸形复杂性之间的关联。 方法：进行了一项前瞻性、横断面、病例对照研究。病例和对照以 1:1 的比例进行匹配（每组 179 名受试者）。采用研究诊断标准评估 TMD 的存在，采用 ICON 评估错畸形的复杂性。采用二项逻辑回归（ < 0.05）来识别变量之间的关联。 结果：TMD 的存在与性别和错畸形复杂性相关（ < 0.05）。对照组中大多数处于 ICON 复杂性最低的三个水平，而大多数病例处于三个最高水平（ < 0.001）。错畸形复杂性越高，TMD 的风险越大。 结论：结果表明 TMD 与错畸形复杂性相关。随着错畸形复杂性的增加，出现 TMD 的可能性也随之增加。
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