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KMID : 0355220130380040357
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Journal of Korean Academy Oral Medicine
2013 Volume.38 No. 4 p.357 ~ p.366
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Effect of conservative therapy and Mandibular condylar bone change on Adolescents with osteoarthritis of TMJ
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Jeon Hye-Mi
Kim Kyung-Hee
Ok Soo-Min
Heo Jun-Young
Jeong Su-Min
Ko Myung-Yun
Ahn Yong-Woo
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Abstract
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This study is designed to evaluate the treatment outcome of occlusal stabilizing splint and to assess follow-up study of condylar bony changes using cone beam computed tomography(CBCT) in adolescents patients (12-19 years) with TMJ osteoarthritis(OA). 167 eroded condyles in 149 subjects were chosen among the patients who presented to the Department of Oral Medicine of Pasan National University Hospital, diagnosed as TMJ osteoarthritis by clinical exam, x-ray and CBCT from 2009 to 2012. They were treated conservatively with physical therapy, medication, behavioral therapy and occlusal stabilizing splint therapy. After average 9 months, CBCT was retaken and subjective symptoms and clinical findings were investigated. Condyle bony changes were classified by unchanged, less severe and more severe.
The obtained results were as follow:
1. Pain, Noise, LOM(Limitation of motion) and MCO(Maximum comfortable opening) measurement of TMJ OA patients were markedly improved after conservative treatment.
2. In the occlusal stabilizing splint therapy group, Pain and LOM were statistically significant improved than non-occlusal stabilizing splint therapy group.
3. In the acute occlusal stabilizing splint therapy group, Pain and LOM were remarkably improved.
4. In comparison of CBCT1 and CBCT2 images, the transition of bone changes to lesser severe was most commonly in joint with erosive change.
5. In the non-occlusal stabilizing splint therapy group, the transition of condylar bone changes from erosion to more severe was many than occlusal stabilizing splint therapy group.
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KEYWORD
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Adolescents, Cone beam computed tomography, Erosion, Occlusal stabilizing splint, Temporomandibular joint osteoarthritis
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