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Prosthodontic treatment for patients with large mandibular defects; porous hydroxyapatite grafts.

Identifieur interne : 009B59 ( Main/Exploration ); précédent : 009B58; suivant : 009B60

Prosthodontic treatment for patients with large mandibular defects; porous hydroxyapatite grafts.

Auteurs : N T Ngoc [Japon] ; H. Mukohyama ; S. Hlaing ; H. Kondo ; T. Inoue ; H. Taniguchi ; T. Ohyama

Source :

RBID : pubmed:12160206

Descripteurs français

English descriptors

Abstract

It is difficult for both prosthodontists and their patients with large marginal defects to achieve a satisfactory prosthodontic result, because retention, support, and stability of the prosthesis are limited and recovery of esthetics is unsatisfactory owing to large mandibular defects. Alveolar ridge augmentation therapy is performed to compensate for such problems. We have experienced a good prognosis of prosthodontic treatment for over 10 years in two patients with large marginal defects of the partially edentulous mandible, who had undergone grafting of porous hydroxyapatite blocks to their bone defects. It has been reported that porous hydroxyapatite blocks are unsuitable for edentulous patients, because the mucosa covering the hydroxyapatite block is too thin and delicate to support dentures. We, therefore, designed the denture to prevent concentration of occlusal stress on the mucosa. In both of these two cases, we achieved recovery of occlusal function and esthetics by affixing denture to the large marginally resected defect augmented with a graft of porous hydroxyapatite block.

PubMed: 12160206


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Le document en format XML

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<name sortKey="Ngoc, N T" sort="Ngoc, N T" uniqKey="Ngoc N" first="N T" last="Ngoc">N T Ngoc</name>
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<nlm:affiliation>Department of Maxillo-Facial Prosthetics, Graduate School, Tokyo Medical and Dental University, Yushima, Japan.</nlm:affiliation>
<country xml:lang="fr">Japon</country>
<wicri:regionArea>Department of Maxillo-Facial Prosthetics, Graduate School, Tokyo Medical and Dental University, Yushima</wicri:regionArea>
<wicri:noRegion>Yushima</wicri:noRegion>
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<name sortKey="Mukohyama, H" sort="Mukohyama, H" uniqKey="Mukohyama H" first="H" last="Mukohyama">H. Mukohyama</name>
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<name sortKey="Hlaing, S" sort="Hlaing, S" uniqKey="Hlaing S" first="S" last="Hlaing">S. Hlaing</name>
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<name sortKey="Kondo, H" sort="Kondo, H" uniqKey="Kondo H" first="H" last="Kondo">H. Kondo</name>
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<name sortKey="Inoue, T" sort="Inoue, T" uniqKey="Inoue T" first="T" last="Inoue">T. Inoue</name>
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<name sortKey="Taniguchi, H" sort="Taniguchi, H" uniqKey="Taniguchi H" first="H" last="Taniguchi">H. Taniguchi</name>
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<name sortKey="Ohyama, T" sort="Ohyama, T" uniqKey="Ohyama T" first="T" last="Ohyama">T. Ohyama</name>
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<name sortKey="Kondo, H" sort="Kondo, H" uniqKey="Kondo H" first="H" last="Kondo">H. Kondo</name>
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<name sortKey="Inoue, T" sort="Inoue, T" uniqKey="Inoue T" first="T" last="Inoue">T. Inoue</name>
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<name sortKey="Taniguchi, H" sort="Taniguchi, H" uniqKey="Taniguchi H" first="H" last="Taniguchi">H. Taniguchi</name>
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<term>Adult</term>
<term>Alveolar Ridge Augmentation (methods)</term>
<term>Ameloblastoma (rehabilitation)</term>
<term>Ameloblastoma (surgery)</term>
<term>Bone Substitutes</term>
<term>Dental Clasps</term>
<term>Dental Stress Analysis</term>
<term>Denture Design</term>
<term>Denture Retention (instrumentation)</term>
<term>Denture, Overlay</term>
<term>Denture, Partial, Removable</term>
<term>Durapatite</term>
<term>Female</term>
<term>Fibrous Dysplasia, Monostotic (rehabilitation)</term>
<term>Fibrous Dysplasia, Monostotic (surgery)</term>
<term>Humans</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Male</term>
<term>Mandible (surgery)</term>
<term>Mandibular Diseases (rehabilitation)</term>
<term>Mandibular Diseases (surgery)</term>
<term>Mandibular Neoplasms (rehabilitation)</term>
<term>Mandibular Neoplasms (surgery)</term>
<term>Mandibular Prosthesis</term>
<term>Middle Aged</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Améloblastome ()</term>
<term>Améloblastome (rééducation et réadaptation)</term>
<term>Analyse du stress dentaire</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Crochets dentaires</term>
<term>Durapatite</term>
<term>Dysplasie fibreuse monostotique ()</term>
<term>Dysplasie fibreuse monostotique (rééducation et réadaptation)</term>
<term>Femelle</term>
<term>Humains</term>
<term>Maladies mandibulaires ()</term>
<term>Maladies mandibulaires (rééducation et réadaptation)</term>
<term>Mandibule ()</term>
<term>Mâchoire partiellement édentée (rééducation et réadaptation)</term>
<term>Mâle</term>
<term>Overdenture</term>
<term>Prothèse dentaire partielle amovible</term>
<term>Prothèse mandibulaire</term>
<term>Reconstruction de crête alvéolaire ()</term>
<term>Rétention d'appareil de prothèse dentaire (instrumentation)</term>
<term>Substituts osseux</term>
<term>Tumeurs de la mandibule ()</term>
<term>Tumeurs de la mandibule (rééducation et réadaptation)</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en">
<term>Bone Substitutes</term>
<term>Durapatite</term>
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<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en">
<term>Denture Retention</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en">
<term>Alveolar Ridge Augmentation</term>
</keywords>
<keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en">
<term>Ameloblastoma</term>
<term>Fibrous Dysplasia, Monostotic</term>
<term>Jaw, Edentulous, Partially</term>
<term>Mandibular Diseases</term>
<term>Mandibular Neoplasms</term>
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<keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr">
<term>Améloblastome</term>
<term>Dysplasie fibreuse monostotique</term>
<term>Maladies mandibulaires</term>
<term>Mâchoire partiellement édentée</term>
<term>Tumeurs de la mandibule</term>
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<keywords scheme="MESH" qualifier="surgery" xml:lang="en">
<term>Ameloblastoma</term>
<term>Fibrous Dysplasia, Monostotic</term>
<term>Mandible</term>
<term>Mandibular Diseases</term>
<term>Mandibular Neoplasms</term>
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<keywords scheme="MESH" xml:lang="en">
<term>Adult</term>
<term>Dental Clasps</term>
<term>Dental Stress Analysis</term>
<term>Denture Design</term>
<term>Denture, Overlay</term>
<term>Denture, Partial, Removable</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Mandibular Prosthesis</term>
<term>Middle Aged</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr">
<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Améloblastome</term>
<term>Analyse du stress dentaire</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Crochets dentaires</term>
<term>Durapatite</term>
<term>Dysplasie fibreuse monostotique</term>
<term>Femelle</term>
<term>Humains</term>
<term>Maladies mandibulaires</term>
<term>Mandibule</term>
<term>Mâle</term>
<term>Overdenture</term>
<term>Prothèse dentaire partielle amovible</term>
<term>Prothèse mandibulaire</term>
<term>Reconstruction de crête alvéolaire</term>
<term>Rétention d'appareil de prothèse dentaire</term>
<term>Substituts osseux</term>
<term>Tumeurs de la mandibule</term>
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<front>
<div type="abstract" xml:lang="en">It is difficult for both prosthodontists and their patients with large marginal defects to achieve a satisfactory prosthodontic result, because retention, support, and stability of the prosthesis are limited and recovery of esthetics is unsatisfactory owing to large mandibular defects. Alveolar ridge augmentation therapy is performed to compensate for such problems. We have experienced a good prognosis of prosthodontic treatment for over 10 years in two patients with large marginal defects of the partially edentulous mandible, who had undergone grafting of porous hydroxyapatite blocks to their bone defects. It has been reported that porous hydroxyapatite blocks are unsuitable for edentulous patients, because the mucosa covering the hydroxyapatite block is too thin and delicate to support dentures. We, therefore, designed the denture to prevent concentration of occlusal stress on the mucosa. In both of these two cases, we achieved recovery of occlusal function and esthetics by affixing denture to the large marginally resected defect augmented with a graft of porous hydroxyapatite block.</div>
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<name sortKey="Kondo, H" sort="Kondo, H" uniqKey="Kondo H" first="H" last="Kondo">H. Kondo</name>
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