Functional loads on freestanding and connected implants in three-unit mandibular prostheses opposing complete dentures: an in vivo study.
Identifieur interne : 011338 ( Main/Exploration ); précédent : 011337; suivant : 011339Functional loads on freestanding and connected implants in three-unit mandibular prostheses opposing complete dentures: an in vivo study.
Auteurs : J. Gunne [Suède] ; B. Rangert ; P O Glantz ; A. SvenssonSource :
- The International journal of oral & maxillofacial implants [ 0882-2786 ]
Descripteurs français
- KwdFr :
- Adulte d'âge moyen, Conception d'appareil de prothèse dentaire, Conception de prothèse dentaire, Contrainte mécanique, Dent (physiologie), Femelle, Force occlusale, Humains, Implants dentaires, Mandibule (), Mandibule (physiologie), Mastication, Mâchoire partiellement édentée (), Mâchoire partiellement édentée (rééducation et réadaptation), Piliers dentaires, Pose d'implant dentaire endo-osseux, Propriétés de surface, Prothèse dentaire complète supérieure, Prothèse dentaire implanto-portée, Prothèse partielle fixe, Sujet âgé, Élasticité.
- MESH :
- physiologie : Dent, Mandibule.
- rééducation et réadaptation : Mâchoire partiellement édentée.
- Adulte d'âge moyen, Conception d'appareil de prothèse dentaire, Conception de prothèse dentaire, Contrainte mécanique, Femelle, Force occlusale, Humains, Implants dentaires, Mandibule, Mastication, Mâchoire partiellement édentée, Piliers dentaires, Pose d'implant dentaire endo-osseux, Propriétés de surface, Prothèse dentaire complète supérieure, Prothèse dentaire implanto-portée, Prothèse partielle fixe, Sujet âgé, Élasticité.
English descriptors
- KwdEn :
- Aged, Bite Force, Dental Abutments, Dental Implantation, Endosseous, Dental Implants, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported, Denture Design, Denture, Complete, Upper, Denture, Partial, Fixed, Elasticity, Female, Humans, Jaw, Edentulous, Partially (rehabilitation), Jaw, Edentulous, Partially (surgery), Mandible (physiology), Mandible (surgery), Mastication, Middle Aged, Stress, Mechanical, Surface Properties, Tooth (physiology).
- MESH :
- chemical : Dental Implants.
- physiology : Mandible, Tooth.
- rehabilitation : Jaw, Edentulous, Partially.
- surgery : Jaw, Edentulous, Partially, Mandible.
- Aged, Bite Force, Dental Abutments, Dental Implantation, Endosseous, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported, Denture Design, Denture, Complete, Upper, Denture, Partial, Fixed, Elasticity, Female, Humans, Mastication, Middle Aged, Stress, Mechanical, Surface Properties.
Abstract
In vivo measurements of vertical forces and bending moments during biting and chewing were carried out on 10 three-unit prostheses in the posterior mandibles of five patients. Each patient had two prostheses, one supported by two implants and the other supported by one implant and one tooth. The results demonstrated no major difference in functional load magnitudes related to the support type. The distribution of load between the abutments was influenced more by the prosthesis geometry and implant placement than by the difference in load characteristics of tooth and implant. This conclusion, however, is limited to one implant connected to a tooth, because multiple implants form a considerably stiffer unit than do teeth. An increase in vertical load resulting from cantilever extensions on the prostheses was documented, both at bite fork measurements and during chewing. No substantial lateral bending was registered, probably because the flat occlusal surfaces and the presence of the opposing complete denture reduced lateral forces.
PubMed: 9197098
Affiliations:
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Each patient had two prostheses, one supported by two implants and the other supported by one implant and one tooth. The results demonstrated no major difference in functional load magnitudes related to the support type. The distribution of load between the abutments was influenced more by the prosthesis geometry and implant placement than by the difference in load characteristics of tooth and implant. This conclusion, however, is limited to one implant connected to a tooth, because multiple implants form a considerably stiffer unit than do teeth. An increase in vertical load resulting from cantilever extensions on the prostheses was documented, both at bite fork measurements and during chewing. No substantial lateral bending was registered, probably because the flat occlusal surfaces and the presence of the opposing complete denture reduced lateral forces.</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><noCountry><name sortKey="Glantz, P O" sort="Glantz, P O" uniqKey="Glantz P" first="P O" last="Glantz">P O Glantz</name><name sortKey="Rangert, B" sort="Rangert, B" uniqKey="Rangert B" first="B" last="Rangert">B. Rangert</name><name sortKey="Svensson, A" sort="Svensson, A" uniqKey="Svensson A" first="A" last="Svensson">A. Svensson</name></noCountry><country name="Suède"><noRegion><name sortKey="Gunne, J" sort="Gunne, J" uniqKey="Gunne J" first="J" last="Gunne">J. Gunne</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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