Association of functional malocclusion with temporomandibular disorders in orthodontic patients prior to treatment.

J. K. Liu, M. Y. Tsai

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2 Citations (Scopus)

Abstract

The purpose of this study was to investigate the role of functional malocclusion in temporomandibular disorders (TMD) in untreated orthodontic patients. A total of 508 orthodontic patients were enrolled. All patients were evaluated for the presence of various types of functional malocclusion and clinical signs of TMD before treatment. The chi-square test was used to evaluate the association of functional malocclusion and TMD. The frequencies of TMD were 44.2% in patients with retruded position (RP) interference and 38.1% in those without such interference (p > 0.05). The frequency of TMD in patients with protrusive interference was greater than those without (32.2% vs. 18.4%; p < 0.005). Patients with balancing interference had a significantly higher frequency of TMD than those without (49.2% vs. 23.9%; p < 0.0001). We thus conclude that patients with functional malocclusion of balancing or protrusive interference type have an increased risk for developing TMD.

Original languageEnglish
Pages (from-to)17-20
Number of pages4
JournalThe Functional orthodontist
Volume15
Issue number3
Publication statusPublished - 1998 Jan 1

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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