Effect of attachment types and number of implants supporting mandibular overdentures on stress distribution: a computed tomography-based 3D finite element analysis.
Identifieur interne : 000141 ( Main/Exploration ); précédent : 000140; suivant : 000142Effect of attachment types and number of implants supporting mandibular overdentures on stress distribution: a computed tomography-based 3D finite element analysis.
Auteurs : Selda Arat Bilhan [Turquie] ; Cengiz Baykasoglu [Turquie] ; Hakan Bilhan [Turquie] ; Omer Kutay [Turquie] ; Ata Mugan [Turquie]Source :
- Journal of biomechanics [ 1873-2380 ] ; 2015.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Dental Implants.
- physiology : Mandible.
- Bite Force, Dental Prosthesis, Implant-Supported, Denture, Overlay, Finite Element Analysis, Humans, Stress, Mechanical, Tomography, Weight-Bearing.
Abstract
The objective of this study was to calculate stresses in bone tissue surrounding uncoupled and splinted implants that are induced by a bite force applied to the mandible and to determine whether the number of mandibular overdenture supporting implants in mandibular bone influence the stress distribution. A human adult edentulous mandible retrieved from a formalin fixed cadaver was used to define the geometry of finite element (FE) model and the FE model was verified with experimental measurements. Following the FE model validation, three different biting situations were simulated for the 2-, 3- and 4-implant retentive anchor as well as bar attachment overdentures under vertical loading of 100 N. As a result of the analyses, it was concluded that an increment in implant number and the splinted attachment type tended to cause lower stresses and the use of two single attachments seems to be a safe and sufficient solution for the treatment of mandibular edentulism with overdentures.
DOI: 10.1016/j.jbiomech.2014.10.022
PubMed: 25443880
Affiliations:
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Le document en format XML
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A human adult edentulous mandible retrieved from a formalin fixed cadaver was used to define the geometry of finite element (FE) model and the FE model was verified with experimental measurements. Following the FE model validation, three different biting situations were simulated for the 2-, 3- and 4-implant retentive anchor as well as bar attachment overdentures under vertical loading of 100 N. As a result of the analyses, it was concluded that an increment in implant number and the splinted attachment type tended to cause lower stresses and the use of two single attachments seems to be a safe and sufficient solution for the treatment of mandibular edentulism with overdentures.</div></front></TEI><affiliations><list><country><li>Turquie</li></country></list><tree><country name="Turquie"><noRegion><name sortKey="Arat Bilhan, Selda" sort="Arat Bilhan, Selda" uniqKey="Arat Bilhan S" first="Selda" last="Arat Bilhan">Selda Arat Bilhan</name></noRegion><name sortKey="Baykasoglu, Cengiz" sort="Baykasoglu, Cengiz" uniqKey="Baykasoglu C" first="Cengiz" last="Baykasoglu">Cengiz Baykasoglu</name><name sortKey="Bilhan, Hakan" sort="Bilhan, Hakan" uniqKey="Bilhan H" first="Hakan" last="Bilhan">Hakan Bilhan</name><name sortKey="Kutay, Omer" sort="Kutay, Omer" uniqKey="Kutay O" first="Omer" last="Kutay">Omer Kutay</name><name sortKey="Mugan, Ata" sort="Mugan, Ata" uniqKey="Mugan A" first="Ata" last="Mugan">Ata Mugan</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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