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KMID : 1020220110110060853
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Journal of Korean Society of Dental Hygiene
2011 Volume.11 No. 6 p.853 ~ p.862
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Self-report symptoms for temporo- mandibular disorder and related factors in the high school third grade students
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Cho Myung-Sook
Yi Seung-Ju
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Abstract
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Objectives: The aim of this study was to investigate the number of self-report symptoms for temporomandibular
disorders(TMD) and related factors in the third grade students of high school.
Methods: A total of 1,043 high school the 3rd students age 16 20 completed a questionnaire from 11 high schools
in Andong city from April to June 2010. Student’s t-test was used to analyze the difference of TMD number. Multiple
regression analysis was performed to determine the effects of independent variables on TMD number.
Results: 1. Students who have one TMD were 71.3%, two 41.7% and over three 25.7%, respectively. 2. The number of TMD symptom of students who have no good habits such as clenching, bite lip and cheeks, resting on hand,
chewing gum, hard foods, and unilateral chewing was a statistically significant higher than those who doesn’t have ones(p=0.00). 3. TMD number of students who have been under more stress was a significantly higher than those who didn’t have been(p=0.00). 4. Bite lip and cheek(β=0.03, p=0.037), chewing gum(β=0.03, p=0.029), resting on hand(β=0.04, p=0.006), hard foods(β=0.07, p=0.000), and stress out(β=-0.03, p=0.018) were significantly associated with TMD number by multiple regression analysis.
Conclusions: Variables associated with TMD were bite lip and cheek, chewing gum, resting on hand, hard foods,
and stress out factor. According to our findings, it is so important to teach good habits on oral health to the 3rd grade students in high school. Further prospective study should explore cause of TDM from those variables.
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KEYWORD
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related factors, third grade students in high school, TMD number
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