In vivo measurements of precision of fit involving implant-supported prostheses in the edentulous jaw.
Identifieur interne : 011210 ( Main/Exploration ); précédent : 011209; suivant : 011211In vivo measurements of precision of fit involving implant-supported prostheses in the edentulous jaw.
Auteurs : T. Jemt [Suède]Source :
- The International journal of oral & maxillofacial implants [ 0882-2786 ]
Descripteurs français
- KwdFr :
- Alliages d'or, Arcade dentaire (anatomopathologie), Conception d'appareil de prothèse dentaire, Humains, Implants dentaires, Mandibule, Maxillaire, Modèles dentaires, Mâchoire édentée (), Mâchoire édentée (anatomopathologie), Mâchoire édentée (rééducation et réadaptation), Ostéo-intégration, Photogrammétrie, Piliers dentaires, Pose d'implant dentaire endo-osseux, Propriétés de surface, Prothèse dentaire complète inférieure, Prothèse dentaire complète supérieure, Prothèse dentaire implanto-portée, Titane.
- MESH :
- anatomopathologie : Arcade dentaire, Mâchoire édentée.
- rééducation et réadaptation : Mâchoire édentée.
- Alliages d'or, Conception d'appareil de prothèse dentaire, Humains, Implants dentaires, Mandibule, Maxillaire, Modèles dentaires, Mâchoire édentée, Ostéo-intégration, Photogrammétrie, Piliers dentaires, Pose d'implant dentaire endo-osseux, Propriétés de surface, Prothèse dentaire complète inférieure, Prothèse dentaire complète supérieure, Prothèse dentaire implanto-portée, Titane.
English descriptors
- KwdEn :
- Dental Abutments, Dental Arch (pathology), Dental Implantation, Endosseous, Dental Implants, Dental Models, Dental Prosthesis, Implant-Supported, Denture Design, Denture, Complete, Lower, Denture, Complete, Upper, Gold Alloys, Humans, Jaw, Edentulous (pathology), Jaw, Edentulous (rehabilitation), Jaw, Edentulous (surgery), Mandible, Maxilla, Osseointegration, Photogrammetry, Surface Properties, Titanium.
- MESH :
- chemical : Dental Implants, Gold Alloys, Titanium.
- pathology : Dental Arch, Jaw, Edentulous.
- rehabilitation : Jaw, Edentulous.
- surgery : Jaw, Edentulous.
- Dental Abutments, Dental Implantation, Endosseous, Dental Models, Dental Prosthesis, Implant-Supported, Denture Design, Denture, Complete, Lower, Denture, Complete, Upper, Humans, Mandible, Maxilla, Osseointegration, Photogrammetry, Surface Properties.
Abstract
The objective of this study was to measure and compare the precision of fit of implant-supported prostheses in the edentulous jaw by using both the master cast replicas and the intraoral implants as references. Seven maxillary and 10 mandibular prostheses were randomly selected and measured by means of a three-dimensional (3-D) photogrammetric technique. The results indicated that prostheses routinely connected to osseointegrated implants could demonstrate distortion between the framework and individual implants of up to several hundred microns. When master casts were used as a reference, the mean 3-D distortion of the center point of gold cylinders was 37 microns (SD 18) and 75 microns (SD 40) for mandibular and maxillary prostheses, respectively. The corresponding mean displacement was 90 microns (SD 51) and 111 microns (SD 59), respectively, when the intraoral implants were used as references. The mean 3-D distortion was significantly higher for the intraoral measurements in both arches (P < .001 and P < .05). Furthermore, the overall distortion was significantly higher for the maxillary prostheses when the master casts were used as the reference (P < .05). However, for the intraoral measurements, no statistically significant difference of fit between the arches was possible to observe (P < .05). This could possibly be explained by the finding that intraoral measurements of the mandibular prostheses indicated a deformation and rotation of the mandible that was not observed in the maxillary prostheses. A further factor in the lack of statistical significance could be the relatively small sample size.
PubMed: 8666445
Affiliations:
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Jemt</name><affiliation wicri:level="1"><nlm:affiliation>Brånemark Clinic, Public Dental Health, Göteborg, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Brånemark Clinic, Public Dental Health, Göteborg</wicri:regionArea><wicri:noRegion>Göteborg</wicri:noRegion></affiliation></author></analytic><series><title level="j">The International journal of oral & maxillofacial implants</title><idno type="ISSN">0882-2786</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dental Abutments</term><term>Dental Arch (pathology)</term><term>Dental Implantation, Endosseous</term><term>Dental Implants</term><term>Dental Models</term><term>Dental Prosthesis, Implant-Supported</term><term>Denture Design</term><term>Denture, Complete, Lower</term><term>Denture, Complete, Upper</term><term>Gold Alloys</term><term>Humans</term><term>Jaw, Edentulous (pathology)</term><term>Jaw, Edentulous (rehabilitation)</term><term>Jaw, Edentulous (surgery)</term><term>Mandible</term><term>Maxilla</term><term>Osseointegration</term><term>Photogrammetry</term><term>Surface Properties</term><term>Titanium</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Alliages d'or</term><term>Arcade dentaire (anatomopathologie)</term><term>Conception d'appareil de prothèse dentaire</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule</term><term>Maxillaire</term><term>Modèles dentaires</term><term>Mâchoire édentée ()</term><term>Mâchoire édentée (anatomopathologie)</term><term>Mâchoire édentée (rééducation et réadaptation)</term><term>Ostéo-intégration</term><term>Photogrammétrie</term><term>Piliers dentaires</term><term>Pose d'implant dentaire endo-osseux</term><term>Propriétés de surface</term><term>Prothèse dentaire complète inférieure</term><term>Prothèse dentaire complète supérieure</term><term>Prothèse dentaire implanto-portée</term><term>Titane</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term><term>Gold Alloys</term><term>Titanium</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Arcade dentaire</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Dental Arch</term><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Dental Abutments</term><term>Dental Implantation, Endosseous</term><term>Dental Models</term><term>Dental Prosthesis, Implant-Supported</term><term>Denture Design</term><term>Denture, Complete, Lower</term><term>Denture, Complete, Upper</term><term>Humans</term><term>Mandible</term><term>Maxilla</term><term>Osseointegration</term><term>Photogrammetry</term><term>Surface Properties</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Alliages d'or</term><term>Conception d'appareil de prothèse dentaire</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule</term><term>Maxillaire</term><term>Modèles dentaires</term><term>Mâchoire édentée</term><term>Ostéo-intégration</term><term>Photogrammétrie</term><term>Piliers dentaires</term><term>Pose d'implant dentaire endo-osseux</term><term>Propriétés de surface</term><term>Prothèse dentaire complète inférieure</term><term>Prothèse dentaire complète supérieure</term><term>Prothèse dentaire implanto-portée</term><term>Titane</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The objective of this study was to measure and compare the precision of fit of implant-supported prostheses in the edentulous jaw by using both the master cast replicas and the intraoral implants as references. Seven maxillary and 10 mandibular prostheses were randomly selected and measured by means of a three-dimensional (3-D) photogrammetric technique. The results indicated that prostheses routinely connected to osseointegrated implants could demonstrate distortion between the framework and individual implants of up to several hundred microns. When master casts were used as a reference, the mean 3-D distortion of the center point of gold cylinders was 37 microns (SD 18) and 75 microns (SD 40) for mandibular and maxillary prostheses, respectively. The corresponding mean displacement was 90 microns (SD 51) and 111 microns (SD 59), respectively, when the intraoral implants were used as references. The mean 3-D distortion was significantly higher for the intraoral measurements in both arches (P < .001 and P < .05). Furthermore, the overall distortion was significantly higher for the maxillary prostheses when the master casts were used as the reference (P < .05). However, for the intraoral measurements, no statistically significant difference of fit between the arches was possible to observe (P < .05). This could possibly be explained by the finding that intraoral measurements of the mandibular prostheses indicated a deformation and rotation of the mandible that was not observed in the maxillary prostheses. A further factor in the lack of statistical significance could be the relatively small sample size.</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Jemt, T" sort="Jemt, T" uniqKey="Jemt T" first="T" last="Jemt">T. Jemt</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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