Clinical Report : Investigation of Characteristic Indeices Related to Temporomandibular Joint Osteoarthrosis

  • Zhou Qing
    School of Stomatology, China Medical University
  • Lu Zhenfu
    School of Stomatology, China Medical University
  • Ueno Noriyuki
    Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
  • Doi Satoshi
    Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
  • Maeda Hatsuhiko
    Department of Oral Pathology, School of Dentistry, Aichi Gakuin University

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タイトル別名
  • Investigation of Characteristic Indeices Related to Temporomandibular Joint Osteoarthrosis

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The purpose of this study was to investigate the relationship between the bone mineral density and the contents of osteocalcin calcium and phosphorus in serum with temporomandibular joint osteoarthrosis (TMJOA). The mineral densities of lumbar and neck of femur research groups, including the case group and the control group, were compared. The contents of osteocalcin calcium and phosphorus in serum were also measured and evaluated. The results showed that the mean bone mineral density of the case group (TMJOA group) was lower than that of the control group (healthy control). However, a statistical difference was not reflected. The mineral density of the neck of femur of the case group is lower than that of the controlled group obviously, suggesting that mineral density of the femur was related with TMJOA. It was presumed that the bone mineral density of the femur neck might have relationship with TMJOA. The level of osteocalcin in serum of the case group was significantly lower than that of the control group. Thus it is presumed that osteocalcin had a relationship with TMJOA. The results showed that the capability of bone transformation and formation in TMJOA were all decreased. No relationship was found between calcium phosphorus in serum and TMJOA.

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