KMID : 1020220190190020317
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Journal of Korean Society of Dental Hygiene 2019 Volume.19 No. 2 p.317 ~ p.327
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Relationship between occlusion analysis using the T-scan III¢ç system and oral behavior checklist according to temporomandibular joint disorder in female college students
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Lee Sun-Mi
Kim Chang-Hee Jun Mi-Kyoung
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Abstract
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Objectives: This study aimed to evaluate the effects of occlusion patterns using the T-scan III¢ç system and oral parafunctional behaviors on temporomandibular joint disorder (TMD) in female college students.
Methods: A questionnaire survey assessed TMD symptoms and oral behavioral checklist (OBC) scores in 120 female college students in their early twenties. Occlusion was evaluated using the T-scan III¢ç system. Logistic regression analysis was performed to investigate the relationship between occlusion and OBC scores based on patients¡¯ symptoms of TMD and to determine whether OBC scores were a predictor of TMD.
Results: A total of 101 participants with an average age of 22 (¡¾2.17) years were included in the analysis. The reported symptoms of TMD were categorized as moderate (28.8%), slight (27.7%), severe (25.7%), and asymptomatic (17.8%). Occlusion was analyzed using the T-scan III¢çsystem,andthemeanocclusi ontimewas0.42(¡¾0.5) seconds. The results of logistic regression analysis showed that the group that would¡®clench or grind teeth¡¯ during sleep showed an odds ratio for TMD that was 8.9 times higher than that in the group without this behavior. The group that would¡®hold, tighten, or tense muscles without clenching¡¯ while awake showed an odds ratio for TMD that was 21.3 times higher than that in the group without this behavior.
Conclusions: We confirmed that oral parafunctional behavior affects TMD. Therefore, we would like to continue studying the diagnosis and treatment of TMD by evaluating occlusion patterns and related OBC scores.
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KEYWORD
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Dental occlusion, Oral parafunctional behaviors, Temporomandibular joint disorder (TMD)
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