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KMID : 0355220120370010034
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Journal of Korean Academy Oral Medicine
2012 Volume.37 No. 1 p.34 ~ p.46
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Follow-up Study of Condylar Bone Changes using Cone Beam Computed Tomography in Patients with Osteoarthritis
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Ko Chul-Hee
Kim Byeong-Soo
Ko Myung-Yun
Jeong Su-Min
Ok Soo-Min
Ahn Yong-Woo
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Abstract
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This study was designed to assess follow-up study of condylar bone changes using cone beam computed tomography in patients with osteoarthritis.
The author performed clinical examination for osteoarthritis patients who visited Orofacial Pain Clinic, Department of Oral Medicine, Pusan National University Hospital.
CBCT(Cone beam computed tomography) was taken for 228 joints in 114 subjects. After average 10 months, CBCT was retaken. A Oral medicine and Oral radiologist evaluated CBCT each other. Condyle bone changes were classified by no bone change, flattening, erosion, osteophyte and sclerosis. The obtained results were as follow.
1. The condylar bone changes of osteoarthritis in temporomandibular disorder were as follow:
1) The transitions of each types of condylar bone changes was maintained at the initial state of the majority.
2) The transition of erosion was distributed erosion, flattening, sclreosis, osteohyte in order.
3) The transition of flattening was distributed flattening, osteohyte, normal, sclreosis in order.
4) The transition of osteohyte was distributed osteohyte, erosion, sclreosis, flattening in order.
5) The transition of sclreosis was distributed sclreosis, osteohyte, erosion, normal in order.
2. The signs and symptoms according to transition of each types of condylar bone changes were as follow
1) In the transition of condylar bone changes from erosin to erosion, pain, noise, LOM and MCO had symptomatic improvement. In the transition of condylar bone changes from erosin to flattening, pain, LOM, MCO had symptomatic improvement. In the transition of condylar bone changes from erosin to no bony change, pain, noise, LOM had symptomatic improvement. In the transition of condylar bone changes from erosion to flattening than the maintenance of eosion, MCO had symptomatic improvement.
2) In the transition of condylar bone changes from flattening to flattening, pain, noise and MCO had symptomatic improvement. In the transition of condylar bone changes from flattening to sclerosis, LOM had symptomatic improvement.
3) In the transition of condylar bone changes from osteophyte to osteophyte, pain, LOM and MCO had symptomatic improvement.
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KEYWORD
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Cone-beam computed tomography(CBCT), Osteoarthritis, Temporomandibular joint disorder(TMJ)
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