Immediate function of cortically anchored disk-design implants without bone augmentation in moderately to severely resorbed completely edentulous maxillae.
Identifieur interne : 000155 ( Ncbi/Checkpoint ); précédent : 000154; suivant : 000156Immediate function of cortically anchored disk-design implants without bone augmentation in moderately to severely resorbed completely edentulous maxillae.
Auteurs : G. Scortecci [France]Source :
- The Journal of oral implantology [ 0160-6972 ] ; 1999.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Conception de prothèse dentaire, Femelle, Humains, Implants dentaires, Mâchoire édentée (), Mâchoire édentée (rééducation et réadaptation), Mâle, Ostéo-intégration, Pose d'implant dentaire endo-osseux (), Reconstruction de crête alvéolaire, Résorption alvéolaire (anatomopathologie), Résorption alvéolaire (rééducation et réadaptation), Résultat thérapeutique, Sujet âgé, Sujet âgé de 80 ans ou plus.
- MESH :
- anatomopathologie : Résorption alvéolaire.
- rééducation et réadaptation : Mâchoire édentée, Résorption alvéolaire.
- Adulte, Adulte d'âge moyen, Conception de prothèse dentaire, Femelle, Humains, Implants dentaires, Mâchoire édentée, Mâle, Ostéo-intégration, Pose d'implant dentaire endo-osseux, Reconstruction de crête alvéolaire, Résultat thérapeutique, Sujet âgé, Sujet âgé de 80 ans ou plus.
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Alveolar Bone Loss (pathology), Alveolar Bone Loss (rehabilitation), Alveolar Ridge Augmentation, Dental Implantation, Endosseous (methods), Dental Implants, Dental Prosthesis Design, Female, Humans, Jaw, Edentulous (rehabilitation), Jaw, Edentulous (surgery), Male, Middle Aged, Osseointegration, Treatment Outcome.
- MESH :
- chemical : Dental Implants.
- methods : Dental Implantation, Endosseous.
- pathology : Alveolar Bone Loss.
- rehabilitation : Alveolar Bone Loss, Jaw, Edentulous.
- surgery : Jaw, Edentulous.
- Adult, Aged, Aged, 80 and over, Alveolar Ridge Augmentation, Dental Prosthesis Design, Female, Humans, Male, Middle Aged, Osseointegration, Treatment Outcome.
Abstract
The completely edentulous maxilla remains a challenge in implant dentistry. Conventional two-stage surgical techniques require two independent invasive surgeries separated by a 5-6-month healing period. In addition, an increased risk of trauma to the implant-bone interface may be caused by a removable transitional complete denture during the interim submerged period, which can compromise implant success or increase crestal bone loss around the implants during initial bone healing. The purpose of this clinical trial was to evaluate the safety and efficacy of immediately loading a fixed implant-supported prosthesis without bone augmentation in moderately to severely resorbed, completely edentulous maxillae. Over a 41-month period, 783 titanium implants (627 laterally inserted disk implants, with or without 156 axially inserted Structure implants) were placed in 72 consecutive patients with completely edentulous maxillae using an immediate loading protocol. After 6 months of function, the fixed restorations were removed and each implant status was verified using radiographs, Periotest evaluations, clinical osseointegration criteria, and torque testing at 20 N-cm. Six months postoperatively, 98% of the implants were radiologically and clinically osseointegrated. Fifty-six gold screws (7%) required retightening after 10 months, but no screw fractures occurred during this study period. The postrestorative follow-up of these patients ranged from 6 to 48 months. As of this report, all of the fixed prostheses remain functional, and no additional implants have been lost. This clinical trial demonstrates that immediate loading of nonsubmerged, laterally inserted disk-design implants may provide adequate primary anchorage and longterm osseointegration in completely edentulous maxillae. The initial multicortical anchorage afforded by the disk-design implant in this study, coupled with biomechanical splinting of the disks (sometimes with more traditional root-form design implants) using a rigid prosthesis, permits a one-stage predictable implant procedure offering rapid restoration of patients to masticatory function.
DOI: 10.1563/1548-1336(1999)025<0070:IFOCAD>2.3.CO;2
PubMed: 10551141
Affiliations:
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pubmed:10551141Le document en format XML
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<term>Alveolar Bone Loss (rehabilitation)</term>
<term>Alveolar Ridge Augmentation</term>
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<term>Humains</term>
<term>Implants dentaires</term>
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<term>Mâchoire édentée (rééducation et réadaptation)</term>
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<term>Ostéo-intégration</term>
<term>Pose d'implant dentaire endo-osseux ()</term>
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<term>Résorption alvéolaire (anatomopathologie)</term>
<term>Résorption alvéolaire (rééducation et réadaptation)</term>
<term>Résultat thérapeutique</term>
<term>Sujet âgé</term>
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<term>Aged, 80 and over</term>
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<term>Humains</term>
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<term>Reconstruction de crête alvéolaire</term>
<term>Résultat thérapeutique</term>
<term>Sujet âgé</term>
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<front><div type="abstract" xml:lang="en">The completely edentulous maxilla remains a challenge in implant dentistry. Conventional two-stage surgical techniques require two independent invasive surgeries separated by a 5-6-month healing period. In addition, an increased risk of trauma to the implant-bone interface may be caused by a removable transitional complete denture during the interim submerged period, which can compromise implant success or increase crestal bone loss around the implants during initial bone healing. The purpose of this clinical trial was to evaluate the safety and efficacy of immediately loading a fixed implant-supported prosthesis without bone augmentation in moderately to severely resorbed, completely edentulous maxillae. Over a 41-month period, 783 titanium implants (627 laterally inserted disk implants, with or without 156 axially inserted Structure implants) were placed in 72 consecutive patients with completely edentulous maxillae using an immediate loading protocol. After 6 months of function, the fixed restorations were removed and each implant status was verified using radiographs, Periotest evaluations, clinical osseointegration criteria, and torque testing at 20 N-cm. Six months postoperatively, 98% of the implants were radiologically and clinically osseointegrated. Fifty-six gold screws (7%) required retightening after 10 months, but no screw fractures occurred during this study period. The postrestorative follow-up of these patients ranged from 6 to 48 months. As of this report, all of the fixed prostheses remain functional, and no additional implants have been lost. This clinical trial demonstrates that immediate loading of nonsubmerged, laterally inserted disk-design implants may provide adequate primary anchorage and longterm osseointegration in completely edentulous maxillae. The initial multicortical anchorage afforded by the disk-design implant in this study, coupled with biomechanical splinting of the disks (sometimes with more traditional root-form design implants) using a rigid prosthesis, permits a one-stage predictable implant procedure offering rapid restoration of patients to masticatory function.</div>
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