Quantitative assessment for effects of premolar extraction upon orthodontic treatment outcomes

拔除前磨牙对正畸治疗结果影响的定量评估

基本信息

  • 批准号:
    13672148
  • 负责人:
  • 金额:
    $ 0.64万
  • 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:
    2001
  • 资助国家:
    日本
  • 起止时间:
    2001 至 2002
  • 项目状态:
    已结题

项目摘要

For eight adult females who underwent edgewise treatment with extraction and eight females who underwent the treatment with extraction of four premolars, their 3D jaw movements during gum chewing have been recorded at pre and post treatment periods. The standardized gum having known physical properties has been used for the test foods. Specifically, the analyses for the effects of orthodontic treatment on the smoothness of the jaw movement have been conducted. The smoothness of the jaw movement trajectories has been estimated by using normalized jerkcost as well as the simulation results by the minimum jerk model. The jaw movement smoothness was compared with thatdeterminedinthefemalesubjectswithacceptable goodocclusionThe present results showed significant postoperative improvement in the jaw movement smoothness in the two patient groups. As for the jaw movement smoothness for the patients treated with premolar extraction, the smoothness at the post treatment periods was not significantly different from that for the normal subjects. It is suggested that the extraction of the premolar that is often necessary for the edgewise treatment may contributes to achievement of the optimal jaw movement smoothness that is apparently seen in the control subjects
8名成年女性接受拔牙治疗,8名女性接受拔除4颗前磨牙治疗,记录她们在治疗前和治疗后咀嚼口香糖时的三维下颌运动。具有已知物理性质的标准化口香糖已用于测试食品。具体地说,分析了正畸治疗对颌骨运动平稳性的影响。利用归一化的JUKK代价和最小JUKK模型的仿真结果,对颌骨运动轨迹的平稳性进行了估计。结果显示,两组患者术后颌骨运动平稳度均有明显改善,与thatdeterminedinthefemalesubjectswithacceptable组比较有显著差异。拔除前磨牙患者的下颌运动平稳度在治疗后与正常对照组无显著差异。建议拔除前磨牙,这通常是方丝弓治疗所必需的,这可能有助于获得在对照组受试者中明显可见的最佳颌骨移动平整度。

项目成果

期刊论文数量(20)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
K Yashiro: "Application of Fourier series for assessing jaw movement smoothness during speech articulation"In Workshop on DSP in Mobile and Vehicular Systems, Session 2. 73-76 (2002)
K Yashiro:“应用傅立叶级数评估语音发音过程中下颌运动的平滑度”,移动和车辆系统中的 DSP 研讨会,第 2 期 73-76 (2002)
  • DOI:
  • 发表时间:
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  • 影响因子:
    0
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保田好隆: "矯正歯科治療における抜歯、非抜歯"The Quintessence YEAR BOOK 2002-今日の治療指針 2002-. 25-29 (2002)
Yoshitaka Yasuda:“正畸治疗中的拔牙和不拔牙”The Quintessence YEAR BOOK 2002-Todaystreatmentguidelines 2002-25-29(2002)。
  • DOI:
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    0
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K,Yashiro: "Improvement in smoothness of chewing cycle following treatment of anteriorcross bite maloccluskm"The journal of craaio mondibular practice. 21,In press.
K,Yashiro:“前牙反咬合畸形治疗后咀嚼周期的平稳性得到改善”《craaio 下颌实践杂志》。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
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S.Miyawaki: "Changes in silent periods on EMG of jaw-closing muscles during chewing after surgicalorthodontic treatment of an adult skeletal Class III case"Clinical Orthodontics and Research. 4(2). 119-123 (2001)
S.Miyawaki:“成人骨骼 III 类病例手术正畸治疗后咀嚼过程中下颌闭合肌肌电图静默期的变化”临床正畸与研究。
  • DOI:
  • 发表时间:
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  • 影响因子:
    0
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M.Takagi: "Application of a kinematic model for assessing trajectories of human chewing cycle"IA'02 Proceedings of International Symposium for Young Researchers on Modeling and their Applications. 91-98 (2002)
M.Takagi:“应用运动学模型评估人类咀嚼周期的轨迹”IA02 国际青年研究人员建模及其应用研讨会论文集。
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  • 影响因子:
    0
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YASUDA Yoshitaka其他文献

YASUDA Yoshitaka的其他文献

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{{ truncateString('YASUDA Yoshitaka', 18)}}的其他基金

The effect of changing the occlusal contact in EMGs during ski performance
滑雪表演期间改变肌电图咬合接触的影响
  • 批准号:
    11672043
  • 财政年份:
    1999
  • 资助金额:
    $ 0.64万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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Emotion Dysregulation and Sleep-Time Masticatory Muscle Activity in Sleep Bruxism R01DE026771
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    10425898
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