A Study of Relationship between Temporomandibular Disorder and Balance-function.
| Project/Area Number |
13672011
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Conservative dentistry
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| Research Institution | Nihon University |
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Principal Investigator |
OSAWA Seiko School of Dent. At Matsudo, Research Assist (Full-Time), 松戸歯学部, 助手 (00152108)
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| Co-Investigator(Kenkyū-buntansha) |
UCHIDA Takashi School of Dent. At Matsudo, Lecturer (Full-Time), 松戸歯学部, 講師 (40256897)
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| Project Period (FY) |
2001 – 2002
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| Project Status |
Completed (Fiscal Year 2002)
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| Budget Amount *help |
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2002: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2001: ¥2,900,000 (Direct Cost: ¥2,900,000)
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| Keywords | stabilometric / temporomandibular disorder / Asymmetry Index / Asymmetry Index |
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| Research Abstract |
To investigate the relationship between the balance function and left-right imbalance in the stomatognathic function of patients with temporomandibular disorder, a basic study was conducted utilizing special analysis software for stabilometry. After a preliminary test, stabilometry was performed and left-right balance data was quantified in the form of an asymmetry index (AI) using a dental press scale (DP) and muscle balance monitor (MBM), and the correlation of stabilometry to DP and MBM was evaluated. In three test subjects, stabilometry, DP, and MBM were performed in the morning and afternoon for five consecutive days so as to ascertain shifts in test results and the correlation of stabilometry to DP and MBM. The results showed that the degree of fluctuation in stabilometric data in the morning was lower than that in the afternoon. Also, there was a significant correlation between stabilometry and DP, but not with MBM. Therefore, DP and stabilometry were performed on five patients
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with temporomandibular disorder and five healthy volunteers without a past history of stomatognathic disorder, MRI abnormality, or temporomandibular disorder. Changes in temporomandibular disorder before and after therapy were assessed in the five patients, and data was collected twice from the five healthy volunteers for comparison. The results showed that the stabilometric data obtained during biting for the patients before therapy was significantly higher than that for the healthy volunteers ; there was no significant difference between the two groups after therapy, however. The results of frequency analysis showed that there were similar changes within a frequency distribution of 2.0-10.0 Hz. There was also a significant correlation between anterior-posterior deviation for stabilometric data and DP AI. These findings suggest that temporomandibular disorder affects stabilometry in the standing position and that left-right balance during biting affects not only left-right stabilometry but also anterior-posterior stabilometry. Less
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Report
(3 results)
Research Products
(7 results)
