3-DIMENSIONAL FINITE-ELEMENT STRESS-ANALYSIS OF A CANTILEVER FIXED PARTIAL DENTURE

被引：23
|
作者：
AWADALLA, HA [1 ]
AZARBAL, M [1 ]
ISMAIL, YH [1 ]
ELIBIARI, W [1 ]
机构：
[1] UNIV PITTSBURGH,SCH DENT MED,DEPT PROSTHODONT,PITTSBURGH,PA 15261
来源：
JOURNAL OF PROSTHETIC DENTISTRY | 1992年 / 68卷 / 02期
关键词：
D O I：
10.1016/0022-3913(92)90322-2
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
A three-dimensional mathematical model was generated, representing a three-unit cantilever fixed partial denture and its supporting mandibular structures. First and second premolars were used as abutments with one posterior cantilever pontic. A 5 lb vertical load was applied to the pontic. Vertical and horizontal stresses were analyzed by means of a three-dimensional finite element stress analysis technique. The results showed that a cantilever pontic creates considerable compressive stress on the abutment nearest to the pontic and produces tensile stress on the abutment farthest from the pontic.
引用
收藏
页码：243 / 248
页数：6
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