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KMID : 1020220100100040683
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Journal of Korean Society of Dental Hygiene
2010 Volume.10 No. 4 p.683 ~ p.693
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A study on TMD and stress of first children
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Kim Myung-Eun
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Abstract
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Objectives : The purpose of this study was to examine the relation between stress and temporomandibular disorder(TMD) of first the child.
Methods : 500(the first child -250, non first child -250) high school students living in Jecheon city, form November 4th to 5th 2009, were the subjects of this questionnaire. The questionnaire was made up of three contests: sociodemographic characteristic, symptom & dysfunction of TMD and stress of high school students. The date were analyzed by chi-square test, two sample t-test and Pearson correlation.
Results : Only 443(the first child -209, non first child - 234) students were evaluated due to inadequate responses. The obtain results was as follow. 1. Subjective symptom of TMD reported by 443 students were joint sound(63.5%), pain on chewing(55.1%), pain on opening the mouth(55.1%). 2. Analysis of subjective symptom of TMD showed the first child group was statistical significantly higher on joint sounds and TMJ pain than non first child group(<0.05). 3. Analysis of bad habit and dysfunction showed the first child group was statistical significantly higher on clenching of the teeth, difficulties of bite, headache than non first child group(<0.05). 4. Analysis of stress showed the first child group was statistical significantly higher on stress with parents than non first child. especially on marks and disagreement(<0.05). 5. Stress were related to subject symptom of TMD, especially appearance & matter stress related to joint sound, pain on chewing, pain on non-chewing, pain on opening the mouth(<0.05), pain of TMD(<0.01), study stress to related with joint sound(<0.05), pain on non-chewing, pain on opening the mouth(<0.01), parents stress were related to pain on chewing, pain on opening the mouth(<0.01) and friends stress were related to dislocation of joint, pain on non-chewing(<0.01). 6. Analysis of relation stress and bad habit & dysfunction showed appearance & matter stress were related to clenching of the teet, occlusal stability, difficulties of chewing(<0.05), difficulties of bite, headache(<0.01), study stress were related to clenching(<0.05), occlusal stability, headache(<0.01), parents stress were related to clenching(<0.05), occlusal stability(<0.01) and friends stress were related to clenching, headache(<0.05), occlusal stability(<0.01). 7. Analysis of relation bad habit and TMD showed clenching were related to joint sound(<0.05), pain on chewing, pain on non-chewing, pain on opening the mouth, pain of TMD(<0.01), bruxism were related to pain on chewing, pain on opening the mouth(<0.05), pain on non-chewing, pain of TMD(<0.01).
Conclusions : The first child stress and symptom of TMD were higher than non-first child, also stress and symptom of TMD was positively associated. therefore management of the first child’ stress is necessary and related study is necessary in the future.
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KEYWORD
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stress, TMD(temporomandibular disorder)
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