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Paper language: Spanish
Malocclusion complexity as an associated factor
for temporomandibular disorders. A case-control
AUTHOR: Iván Daniel Zúñiga-Herrera , José Rubén Herrera-Atoche , Mauricio EscoffiéRamírez , Juan Fernando Casanova-Rosado , María Leonor Alonzo-Echeverría & Fernando Javier Aguilar-Pérez
Spanish abstract
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 (p < 0.05) was used to identify associations between variables. Results: TMD presence was associated with gender and malocclusion complexity (p < 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 (p < 0.001). Higher malocclusion complexity indicated a greater TMD risk. Conclusion: The results indicate that TMD is associated with malocclusio

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