Three-dimensional finite element stress analysis of angled dowel crown in ante rior maxillary teeth
- VernacularTitle:上颌前牙带角度桩冠的三维有限元应力分析
- Author:
Chunming XIA
;
Yun LAN
;
Jie YU
- Publication Type:Journal Article
- Keywords:
Finite element analysis;
Stress analysis;
Dowel crown
- From:
Journal of Practical Stomatology
2000;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objeact:To study the stress distribution of angled dowe l crown in anterior maxillary teeth. Method:A 3-dimensio nal finite element model (3-DFEM) of a maxillary central incisor with a dowel, a core and the supporting tissues was established.The stress in various angled d owel designs with a 150 N force applied along the long axis of the crown in a v ertical load on the incisal edge was mesured on the 3-DFEM and analyzed with AN SYS sorft ware.Results:The maximum stress was found in la bical cervical zone of the cortical bone around the teeth,the compressive stress in labical and tensile stress in palatal respectively. Conclusion: In anterior maxilla with angled dowel crown maximum stress is in the cervical zone of cortical bone,and the magnitude of stress increases with the i ncreace of the angulation of dowel crown.
