[Three-dimensional displacement of implant-supported cantilever fixed partial denture under oblique loading].
Identifieur interne : 000414 ( Ncbi/Curation ); précédent : 000413; suivant : 000415[Three-dimensional displacement of implant-supported cantilever fixed partial denture under oblique loading].
Auteurs : Hongren Wang [République populaire de Chine] ; Aijie Li ; Xinmin ChenSource :
- Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi [ 1001-5515 ] ; 2013.
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Abstract
The purpose of this study was to research the three-dimensional displacements of implant-supported cantilever fixed partial denture (CFPD) under oblique loading. One Beagle dog was used in this experiment. Two immediate implants of ITI were inserted in the mandible of the dog, and the implant-supported CFPD which used the implants as abutments was made in vitro fresh mandible. Then the digital laser speckle technique was employed to measure the three-dimensional displacements of CFPD under different oblique loading. We found that when an oblique loading was exerted on the pontic, the displacement increased with increasing of load. Under equal loading, the displacement of the abutment near to the pontic was smaller than that of the pontic but greater than that of the abut-ment far from the pontic. When oblique loading was exerted on the abutment, the displacement of the direct loaded abutment was greater than that of the other abutment and the pontic. Under the.eeual loading, the displacement of implant-supported CFPD of loading on pontic was greater than that of loading on abutments. The experiments demonstrated that implant-supported cantilever fixed partial denture (CFPD) is an effective and advisable therapy for totally? or partially edentulous patients. However, it is also suggested that the clinicians should avoid exerting oblique loading, especially the obliqe loading of the pontic when th e CPDF is used.
PubMed: 23865315
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One Beagle dog was used in this experiment. Two immediate implants of ITI were inserted in the mandible of the dog, and the implant-supported CFPD which used the implants as abutments was made in vitro fresh mandible. Then the digital laser speckle technique was employed to measure the three-dimensional displacements of CFPD under different oblique loading. We found that when an oblique loading was exerted on the pontic, the displacement increased with increasing of load. Under equal loading, the displacement of the abutment near to the pontic was smaller than that of the pontic but greater than that of the abut-ment far from the pontic. When oblique loading was exerted on the abutment, the displacement of the direct loaded abutment was greater than that of the other abutment and the pontic. Under the.eeual loading, the displacement of implant-supported CFPD of loading on pontic was greater than that of loading on abutments. The experiments demonstrated that implant-supported cantilever fixed partial denture (CFPD) is an effective and advisable therapy for totally? or partially edentulous patients. However, it is also suggested that the clinicians should avoid exerting oblique loading, especially the obliqe loading of the pontic when th e CPDF is used.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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