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中华口腔医学研究杂志(电子版) ›› 2015, Vol. 09 ›› Issue (03) : 211 -215. doi: 10.3877/cma.j.issn.1674-1366.2015.03.006

所属专题: 文献

临床研究

下颌球帽覆盖义齿与全口义齿戴用2~3年咬合特征研究
卢燃1, 曾剑玉1,(), 刘侠1, 温颖1   
  1. 1. 100050 北京,首都医科大学附属北京口腔医院修复科
  • 收稿日期:2015-03-24 出版日期:2015-06-01
  • 通信作者: 曾剑玉
  • 基金资助:
    北京市自然科学基金(7112060); 北京市卫生系统高层次卫生技术人才培养计划(2011-3-075)

Occlusal characteristics of mandibular stud attachments retained overdenture and complete denture

Ran Lu1, Jianyu Zeng1,(), Xia Liu1, Ying Wen1   

  1. 1. Department of Prosthodontics, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
  • Received:2015-03-24 Published:2015-06-01
  • Corresponding author: Jianyu Zeng
  • About author:
    Corresponding author: Zeng Jianyu, Email: , Tel: 010-57099219
引用本文:

卢燃, 曾剑玉, 刘侠, 温颖. 下颌球帽覆盖义齿与全口义齿戴用2~3年咬合特征研究[J]. 中华口腔医学研究杂志(电子版), 2015, 09(03): 211-215.

Ran Lu, Jianyu Zeng, Xia Liu, Ying Wen. Occlusal characteristics of mandibular stud attachments retained overdenture and complete denture[J]. Chinese Journal of Stomatological Research(Electronic Edition), 2015, 09(03): 211-215.

目的

研究下颌球帽附着体固位覆盖义齿(COD)及全口义齿(CD)修复后2~3年咬合接触特征及差异。

方法

采用T-ScanⅡ咬合分析仪对戴用2~3年CD及COD修复患者(各12例)进行体内咬合分布特征及力升高时间的测定。记录患者义齿左右侧咬合面积不对称指数、咬合力中心(X,Y)值、咬合力前后向分布比率及力升高时间。

结果

(1)CD组、COD组左右侧咬合面积不对称指数、咬合力中心X值,差异无统计学意义(P > 0.05);(2)COD组咬合中心前移,差异有统计学意义(P < 0.05);(3)力升高时间CD组0.28 s,COD组延长为0.59 s,差异有统计学意义(P < 0.05)。

结论

正中咬合时,CD戴用2~3年咬合分布、力升高时间近似正常,COD咬合中心向基牙区偏移,力升高时间延长。

Objective

To investigate the occlusal characteristics of complete overdenture (COD) retained by stud attachments in mandibular and complete denture (CD) .

Methods

Twenty-four subjects were rehabilitated with CD and COD and wore the dentures 2 to 3 years. Each study group was composed of 12 subjects. An occlusal analysis, using the T-Scan Ⅱ System, was performed to assess the following occlusal parameters: the distribution of occlusal contacts and the occlusion time.

Results

(1) For AOA and COF X there are no statistically significant difference between CD and COD (P > 0.05) . (2) The COF Y of COD move forward. There are significant differences between the two groups. (3) OT in CD group is 0.28 s, OT of COD group is 0.59 s. There are significant differences between the two groups (P < 0.05) .

Conclusion

CD and COD achieve bilaterally balanced in ICO. In COD group, center of occlusal force moves forward, while the occlusion time increased significantly.

图1~2 义齿咬合接触的二维图像
表1 患者咬合面积不对称指数及咬合力中心左右位移及比较( ± s
表2 患者咬合力中心前后向位移及咬合力比值及比较( ± s
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