Does crown/implant ratio influence the survival and marginal bone level of short single implants in the mandibular molar? A preliminary investigation consisting of 12 patients.
Identifieur interne : 000893 ( Main/Merge ); précédent : 000892; suivant : 000894Does crown/implant ratio influence the survival and marginal bone level of short single implants in the mandibular molar? A preliminary investigation consisting of 12 patients.
Auteurs : L. Ghariani [Liban] ; L. Segaan [Liban] ; M M Rayyan [Liban] ; S. Galli [Suède] ; R. Jimbo [Suède] ; A. Ibrahim [Suède]Source :
- Journal of oral rehabilitation [ 1365-2842 ] ; 2016.
Descripteurs français
- KwdFr :
- Conception de prothèse dentaire, Couronnes, Humains, Implants dentaires unitaires, Mandibule, Molaire, Mâchoire partiellement édentée (rééducation et réadaptation), Pose d'implant dentaire endo-osseux, Prothèse dentaire implanto-portée, Résorption alvéolaire (anatomopathologie), Résultat thérapeutique, Échec de restauration dentaire.
- MESH :
- anatomopathologie : Résorption alvéolaire.
- rééducation et réadaptation : Mâchoire partiellement édentée.
- Conception de prothèse dentaire, Couronnes, Humains, Implants dentaires unitaires, Mandibule, Molaire, Pose d'implant dentaire endo-osseux, Prothèse dentaire implanto-portée, Résultat thérapeutique, Échec de restauration dentaire.
English descriptors
- KwdEn :
- MESH :
Abstract
Crown/implant (C/I) ratio has been proven to not affect the survival of the implants; however, it is also a fact that no evidence exists with regard to the use of single short implants in the mandibular molar. The aim of this study was to determine whether the crown/implant ratios of single implant-supported fixed restorations on implants of 6-8 mm in the mandibular molar have an impact on the implant survival and marginal bone maintenance. Twelve short dental implants (6-8 mm) were installed and restored with single crowns, loaded after 3 months of healing. The restorations were divided according to crown-to-implant ratio into two groups: Group 1: C/I < 2.0 and Group 2: C/I ≧ 2.0. Alveolar bone loss was measured using CBCT scan, taken at the implant placement and after 12 months follow-up from loading. Reduced implant/crown ratio shown no statistic significant differences on implant survival and the alveolar bone level compared with recommended implant/crown ratio. Within the limitation of this study, it can be concluded that reduced C/I ratio could be used as a substitute for recommended C/I ratio in severely mandibular atrophic residual alveolar ridges.
DOI: 10.1111/joor.12342
PubMed: 26333185
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pubmed:26333185Le document en format XML
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<term>Dental Implantation, Endosseous</term>
<term>Dental Implants, Single-Tooth</term>
<term>Dental Prosthesis Design</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Restoration Failure</term>
<term>Humans</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Mandible</term>
<term>Molar</term>
<term>Treatment Outcome</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Conception de prothèse dentaire</term>
<term>Couronnes</term>
<term>Humains</term>
<term>Implants dentaires unitaires</term>
<term>Mandibule</term>
<term>Molaire</term>
<term>Mâchoire partiellement édentée (rééducation et réadaptation)</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Résorption alvéolaire (anatomopathologie)</term>
<term>Résultat thérapeutique</term>
<term>Échec de restauration dentaire</term>
</keywords>
<keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Résorption alvéolaire</term>
</keywords>
<keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Alveolar Bone Loss</term>
</keywords>
<keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous, Partially</term>
</keywords>
<keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire partiellement édentée</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Crowns</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Implants, Single-Tooth</term>
<term>Dental Prosthesis Design</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Restoration Failure</term>
<term>Humans</term>
<term>Mandible</term>
<term>Molar</term>
<term>Treatment Outcome</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Conception de prothèse dentaire</term>
<term>Couronnes</term>
<term>Humains</term>
<term>Implants dentaires unitaires</term>
<term>Mandibule</term>
<term>Molaire</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Résultat thérapeutique</term>
<term>Échec de restauration dentaire</term>
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<front><div type="abstract" xml:lang="en">Crown/implant (C/I) ratio has been proven to not affect the survival of the implants; however, it is also a fact that no evidence exists with regard to the use of single short implants in the mandibular molar. The aim of this study was to determine whether the crown/implant ratios of single implant-supported fixed restorations on implants of 6-8 mm in the mandibular molar have an impact on the implant survival and marginal bone maintenance. Twelve short dental implants (6-8 mm) were installed and restored with single crowns, loaded after 3 months of healing. The restorations were divided according to crown-to-implant ratio into two groups: Group 1: C/I < 2.0 and Group 2: C/I ≧ 2.0. Alveolar bone loss was measured using CBCT scan, taken at the implant placement and after 12 months follow-up from loading. Reduced implant/crown ratio shown no statistic significant differences on implant survival and the alveolar bone level compared with recommended implant/crown ratio. Within the limitation of this study, it can be concluded that reduced C/I ratio could be used as a substitute for recommended C/I ratio in severely mandibular atrophic residual alveolar ridges.</div>
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