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Staged reconstruction of the severely atrophic mandible with autogenous bone graft and endosteal implants.

Identifieur interne : 002820 ( PubMed/Checkpoint ); précédent : 002819; suivant : 002821

Staged reconstruction of the severely atrophic mandible with autogenous bone graft and endosteal implants.

Auteurs : R Bryan Bell [États-Unis] ; George H. Blakey ; Raymond P. White ; Dennis G. Hillebrand ; Anthony Molina

Source :

RBID : pubmed:12378486

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English descriptors

Abstract

Vastly different surgical techniques have been advocated for osseous reconstruction of the severely atrophic mandible. Endosseous implants placed in autologous bone grafts have been proposed to minimize graft resorption and restore function; however, sufficient bone must exist to support the implants and prevent pathologic fracture. The purpose of this retrospective analysis was to assess the efficacy of autologous bone grafting and the subsequent placement of endosteal implants as a staged procedure in patients with severely atrophic mandibles.

PubMed: 12378486


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pubmed:12378486

Le document en format XML

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<name sortKey="Bell, R Bryan" sort="Bell, R Bryan" uniqKey="Bell R" first="R Bryan" last="Bell">R Bryan Bell</name>
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<nlm:affiliation>Received from the School of Dentistry, The University of North Carolina at Chapel Hill, 27599, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Received from the School of Dentistry, The University of North Carolina at Chapel Hill, 27599</wicri:regionArea>
<orgName type="university">Université de Caroline du Nord à Chapel Hill</orgName>
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<name sortKey="Blakey, George H" sort="Blakey, George H" uniqKey="Blakey G" first="George H" last="Blakey">George H. Blakey</name>
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<name sortKey="White, Raymond P" sort="White, Raymond P" uniqKey="White R" first="Raymond P" last="White">Raymond P. White</name>
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<name sortKey="Hillebrand, Dennis G" sort="Hillebrand, Dennis G" uniqKey="Hillebrand D" first="Dennis G" last="Hillebrand">Dennis G. Hillebrand</name>
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<title level="j">Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons</title>
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<term>Alveolar Ridge Augmentation (methods)</term>
<term>Bone Transplantation (methods)</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Female</term>
<term>Humans</term>
<term>Jaw, Edentulous (rehabilitation)</term>
<term>Jaw, Edentulous (surgery)</term>
<term>Male</term>
<term>Mandible (surgery)</term>
<term>Middle Aged</term>
<term>Retrospective Studies</term>
<term>Treatment Outcome</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Femelle</term>
<term>Humains</term>
<term>Mandibule ()</term>
<term>Mâchoire édentée ()</term>
<term>Mâchoire édentée (rééducation et réadaptation)</term>
<term>Mâle</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Reconstruction de crête alvéolaire ()</term>
<term>Résultat thérapeutique</term>
<term>Sujet âgé</term>
<term>Transplantation osseuse ()</term>
<term>Études rétrospectives</term>
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<term>Alveolar Ridge Augmentation</term>
<term>Bone Transplantation</term>
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<term>Jaw, Edentulous</term>
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<term>Mâchoire édentée</term>
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<keywords scheme="MESH" qualifier="surgery" xml:lang="en">
<term>Jaw, Edentulous</term>
<term>Mandible</term>
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<term>Adult</term>
<term>Aged</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Retrospective Studies</term>
<term>Treatment Outcome</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Femelle</term>
<term>Humains</term>
<term>Mandibule</term>
<term>Mâchoire édentée</term>
<term>Mâle</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Reconstruction de crête alvéolaire</term>
<term>Résultat thérapeutique</term>
<term>Sujet âgé</term>
<term>Transplantation osseuse</term>
<term>Études rétrospectives</term>
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<front>
<div type="abstract" xml:lang="en">Vastly different surgical techniques have been advocated for osseous reconstruction of the severely atrophic mandible. Endosseous implants placed in autologous bone grafts have been proposed to minimize graft resorption and restore function; however, sufficient bone must exist to support the implants and prevent pathologic fracture. The purpose of this retrospective analysis was to assess the efficacy of autologous bone grafting and the subsequent placement of endosteal implants as a staged procedure in patients with severely atrophic mandibles.</div>
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<DateCompleted>
<Year>2002</Year>
<Month>10</Month>
<Day>28</Day>
</DateCompleted>
<DateRevised>
<Year>2004</Year>
<Month>11</Month>
<Day>17</Day>
</DateRevised>
<Article PubModel="Print">
<Journal>
<ISSN IssnType="Print">0278-2391</ISSN>
<JournalIssue CitedMedium="Print">
<Volume>60</Volume>
<Issue>10</Issue>
<PubDate>
<Year>2002</Year>
<Month>Oct</Month>
</PubDate>
</JournalIssue>
<Title>Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons</Title>
<ISOAbbreviation>J. Oral Maxillofac. Surg.</ISOAbbreviation>
</Journal>
<ArticleTitle>Staged reconstruction of the severely atrophic mandible with autogenous bone graft and endosteal implants.</ArticleTitle>
<Pagination>
<MedlinePgn>1135-41</MedlinePgn>
</Pagination>
<Abstract>
<AbstractText Label="PURPOSE" NlmCategory="OBJECTIVE">Vastly different surgical techniques have been advocated for osseous reconstruction of the severely atrophic mandible. Endosseous implants placed in autologous bone grafts have been proposed to minimize graft resorption and restore function; however, sufficient bone must exist to support the implants and prevent pathologic fracture. The purpose of this retrospective analysis was to assess the efficacy of autologous bone grafting and the subsequent placement of endosteal implants as a staged procedure in patients with severely atrophic mandibles.</AbstractText>
<AbstractText Label="MATERIALS AND METHODS" NlmCategory="METHODS">The records of all patients presenting to The University of North Carolina for treatment from 1997 to 1999 with atrophic mandibles (vertical mandibular height <7 mm as measured on panoramic radiographs in at least 1 site at the mandibular midline and at the thinnest portion of the mandibular body) were reviewed. Bone height was assessed preoperatively, immediately postoperatively, at the time of implant placement (4 to 6 months), and again at 12 and 24 months after bone grafting from posterior iliac crest to the mandible via an extraoral approach. Five endosteal implants were subsequently placed in each patient as a delayed procedure 4 to 6 months after bone grafting, and prosthetic rehabilitation was completed with implant supported prostheses.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">Fourteen consecutive patients were identified with a median preoperative bone height of 9 mm (interquartile range, 25th to 75th percentile [IQ], 7 to 10 mm) in the mandibular midline and 5 mm (IQ, 2 to 5 mm) in the body region. There were no perioperative complications. Median estimated blood loss during the bone graft procedure, as estimated by the surgeon and the anesthesiologist, was 300 mL (IQ, 150 to 1,100 mL), and 1 patient required blood transfusion secondary to symptomatic anemia. The mean loss of vertical bone height after grafting and during the 4 to 6 months before implant placement was 33%. After implant placement and at 12 months, the vertical bone loss was negligible in the implant-supported region and less than 11% in the body region.</AbstractText>
<AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">Reconstruction of the severely atrophic mandible using autogenous corticocancellous bone grafts followed by placement of osseointegrated implants in 4 to 6 months can restore and maintain mandibular bone sufficient to support implants and facilitate successful restoration of occlusion. A prospective study is planned to identify predictors of successful outcomes compared with other surgical/prosthetic treatment.</AbstractText>
<CopyrightInformation>Copyright 2002 American Association of Oral and Maxillofacial Surgeons</CopyrightInformation>
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<LastName>Bell</LastName>
<ForeName>R Bryan</ForeName>
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<Affiliation>Received from the School of Dentistry, The University of North Carolina at Chapel Hill, 27599, USA.</Affiliation>
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