| Project/Area Number |
14370680
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Surgical dentistry
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| Research Institution | Jikei University School of Medicine |
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Principal Investigator |
SUGISAKI Masashi Jikei University School of Medicine, Professor, 医学部, 教授 (30085873)
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| Co-Investigator(Kenkyū-buntansha) |
YOSHIDA Nahoko Jikei University School of Medicine, Assistant, 医学部, 助手 (00317968)
KINO Kouji Tokyo Medical and Dental University, Dental faculty, Assistant Professor, 歯学部附属病院, 助教授 (80143585)
OGAWA Takumi Tsurumi University, Dental faculty, Assistant, 歯学部, 助手 (20267537)
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| Project Period (FY) |
2002 – 2004
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| Project Status |
Completed (Fiscal Year 2004)
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| Budget Amount *help |
¥7,400,000 (Direct Cost: ¥7,400,000)
Fiscal Year 2004: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2003: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 2002: ¥5,400,000 (Direct Cost: ¥5,400,000)
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| Keywords | Temporomandibular disorders / muscle pain / blood flow / tissue oxygen saturation / cause and effectinference / structural equation modeling / near infrared spectroscopy / 疼痛 |
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| Research Abstract |
Purpose : To verify objective muscle pain assessment in patients with temporomandibular disorders(TMD). Methods : Sixty-three of outcome unilateral masticatory muscle pain patients with TMD were recruited. Multiple indicator model of structural equation modeling(SEM) was used for statistical analysis. (AMOS Ver 5,SPSS) Pain assessment, biological assessment and psychological assessment were named as latent variables. In observed variables for the each latent variables, the pain assessment included total score of pressure pain at the masseter and the temporal muscle, sensory qualities of the Japanese Dental version of McGill pain questionnaire(JDMPQ), and the questionnaire for pain-related limitations of daily functions, the biological assessment included deoxygenated hemoglobin(deOXHb) of the painful side, difference between painful and non-pain side of deOXHb, and difference of the two sides tissue oxygen saturation using the PSA-IIIN (Biomedical Science, Tokyo), the psychological assessment included affective qualities of the JDMPQ and the Hospital Anxiety and Depression Scale. Exploratory SEM was used for specification search from many candidate models. Results : Selected six models according to Browne & Cudeck criterion zero (2.285) showed significant path coefficients between the latent variables, we selected three models from clinical validity ; the pain assessment→the psychological assessment→the biological assessment, the psychological assessment→the pain assessment and the biological assessment, and the the psychological assessment→biological assessment→the pain assessment. Conclusion : Pain with TMD is able to assess with psychological assessment and biological assessment.
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