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- Title
The temporomandibular opening index and condylar asymmetry in myogenous TMD and non- TMD patients: Report of a pilot study.
- Authors
Karic, Vesna V.; Miller, Victor J.; Nehete, Swati R.; Ofec, Ronen; Smidt, Ami
- Abstract
Objective: The temporomandibular opening index (TOI) is endfeel distance divided by active and passive mouth opening. The asymmetry index (AI) is a measure of difference in left and right condylar heights. This study examined the relationship between AI and TOI in myogenous TMD and non-TMD patients. Method and Materials: Fourteen myogenous TMD patients diagnosed by the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) were recruited (I man and 13 women) and 14 non-TMD patients (6 men and 8 women) were included as controls. Differences between the TMD patients and control group of non-TMD patients were determined by the two-tailed t test, while multiple linear regression analysis was used to examine the correlation between AI and TOI adjusting for sex and age. Results: AI and TOI were significantly higher (P = .001 and P = .045, respectively) among TMD patients. A significant positive correlation was found between TOI and AI for the TMD group (r = 0.84, P = .01) but not for the control group. Conclusion: A positive correlation was found between TOI and AI in the myogenous TMD group.
- Subjects
SOUTH Africa; TEMPOROMANDIBULAR disorders; FACIAL pain; MANDIBULAR condyle; STATISTICAL hypothesis testing; T-test (Statistics); DENTAL radiography; PILOT projects; MULTIPLE regression analysis; CONTROL groups; DATA analysis software; DESCRIPTIVE statistics; DISEASE complications; DISEASE risk factors
- Publication
Quintessence International, 2013, Vol 44, Issue 1, pe141
- ISSN
0033-6572
- Publication type
Article