An investigation of the mechanism of muscle contracture in TMD patients using analysis of muscular energy metabolism
利用肌肉能量代谢分析研究 TMD 患者肌肉挛缩的机制
基本信息
- 批准号:08672222
- 负责人:
- 金额:$ 1.41万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:1996
- 资助国家:日本
- 起止时间:1996 至 1997
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The purpose of this study was to investigate the mechanism of the masseter muscle contracture which caused resistance to stretch of jaw.1.In clinical examinations, most of the TMD patients with contracture had little muscular pain during rest, jaw closing, and biting. During maximal jaw opening, they felt hard resisting power of their masseter muscles, but did not feel strong pain. The pain during maximal jaw opening was mostly slight and dull. These characteristics were different from characteristics of TMD patients with typical muscular pain.2.In EMG examinations, abnormal pattern of EMG activity was not found apparently during rest jaw closing and biting. However, the EMG during jaw opening showed hyperactivity of masseter muscles. These two results suggest that the mechanism of masseter muscle contracture will be different from that of muscular pain. In other words, it is likely that the masseter muscle contracture is not necessarily due to the hyperactivity of masseter muscles during rest, jaw closing and biting.3.In analysis of muscular energy metabolism (31P-magnetic resonance spectroscopy) , phosphocreatine (PC_r) /beta-ATP values of the patients with contracture was lower than normal controls. This result suggested that the PC_r would be consumed and the masseter muscles would be on a low level of latent energy. Therefore the improvement of peripherad blood flow using physical treatment such as massage of muscles will be necessary for the patients with contracture.
本研究的目的是探讨咬肌挛缩引起下颌牵张阻力的机制。1.临床检查中,大多数伴有挛缩的TMD患者在休息、合颌、咬合时肌肉疼痛轻微。在最大开颌时,咬肌有较强的抵抗力,但没有强烈的疼痛感。最大开颌时疼痛多为轻微钝痛。这些特征与典型肌肉疼痛的TMD患者的特征不同。2.在EMG检查中,在休息时闭合颌骨和咬合时未发现明显异常的EMG活动模式。而开颌时肌电图显示咬肌活动亢进。这两个结果表明咬肌挛缩的机制将不同于肌肉疼痛的机制。3.肌能量代谢(~(31)P-磁共振波谱)分析中,肌挛缩患者的磷酸肌酸(PC_r)/β-ATP值低于正常对照组。这一结果提示,咬肌的PC_r消耗殆尽,咬肌处于较低的潜能水平。因此,对挛缩患者进行物理治疗,如按摩肌肉,以改善周围血流量是必要的。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
山口 泰彦: "^<31>P-MRS(Magnetic Resonance Spectroscopy)を用いた顎関節症患者の咬筋エネルギー代謝分析" 顎機能誌. 4. 9-15 (1997)
Yasuhiko Yamaguchi:“^<31>使用 P-MRS(磁共振波谱)分析颞下颌关节疾病患者的咬肌能量代谢”Jaw Function 杂志,4. 9-15 (1997)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
山口 泰彦: "31P-MPS(magnetic Resonance Spectroscopy)を用いた顎関節症患者の咬筋エネルギー代謝分析" 顎機能誌. 4. 9-15 (1997)
Yasuhiko Yamaguchi:“使用 31P-MPS(磁共振波谱)分析颞下颌关节紊乱患者的咬肌能量代谢”Jaw Function 杂志,4. 9-15 (1997)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Yamaguchi T.et al: "Evaluation of Energy Metabolism in Masseter Muscles of TMD Patients Using ^<31>P-MRS (Magnetic Resonance Spectroscopy)" J.Jpn.Soc.Stomatognath. Funct. 4. 9-15 (1997)
Yamaguchi T.等人:“使用^ 31 P-MRS(磁共振波谱)评估TMD患者咬肌的能量代谢”J.Jpn.Soc.Stomatognath。
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- 影响因子:0
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YAMAGUCHI Taihiko其他文献
YAMAGUCHI Taihiko的其他文献
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{{ truncateString('YAMAGUCHI Taihiko', 18)}}的其他基金
Comprehensive approach to elucidation of association between sleep apnea syndrome and sleep bruxism
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24390427 - 财政年份:2012
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$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Elucidation of acutual state of awake bruxism in patients with temporomandibular disorders by using wearable electromyogram systems
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21592441 - 财政年份:2009
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$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Examination of efficacy of occlusal splints by means of a newly developed ultraminiature cordless EMG measurement system
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- 批准号:
17592012 - 财政年份:2005
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$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Studies on effect of physical therapies and occlusal splints on temporomandibular disorders using blood flow analyses of masseter muscles
利用咬肌血流分析研究物理疗法和咬合夹板对颞下颌疾病的影响
- 批准号:
14571834 - 财政年份:2002
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
A study on the influences of changes of regional tissue blood flow volume on energy metabolism in masticatory muscles
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- 批准号:
10671811 - 财政年份:1998
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
The relationship between electromyograph and energy metabolism in masseter mucles of TMD patients
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- 批准号:
06671939 - 财政年份:1994
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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