EdenteV2, Main, Exploration, bibRecord, 008139

Vertical distraction of the severely resorbed edentulous mandible: a clinical, histological and electron microscopic study of 10 treated cases.

Identifieur interne : 008139 ( Main/Exploration ); précédent : 008138; suivant : 008140

Vertical distraction of the severely resorbed edentulous mandible: a clinical, histological and electron microscopic study of 10 treated cases.

Auteurs : Gerry M. Raghoebar [Pays-Bas] ; Robert S B. Liem ; Arjan Vissink

Source :

Clinical oral implants research [ 0905-7161 ] ; 2002.

RBID : pubmed:12453135

Descripteurs français

English descriptors

KwdEn :
- Aged, Alveolar Ridge Augmentation (instrumentation), Alveolar Ridge Augmentation (methods), Biopsy, Bone Remodeling (physiology), Bone Resorption (diagnostic imaging), Bone Resorption (pathology), Bone Resorption (surgery), Calcification, Physiologic (physiology), Dental Implantation, Endosseous, Dental Implants, Dental Prosthesis, Implant-Supported, Dental Restoration Failure, Denture Retention, Denture, Complete, Lower, Denture, Overlay, Humans, Jaw, Edentulous (diagnostic imaging), Jaw, Edentulous (pathology), Jaw, Edentulous (surgery), Mandible (diagnostic imaging), Mandible (pathology), Mandible (surgery), Mandibular Diseases (diagnostic imaging), Mandibular Diseases (pathology), Mandibular Diseases (surgery), Microscopy, Electron, Middle Aged, Osteogenesis (physiology), Osteogenesis, Distraction (instrumentation), Radiography, Reproducibility of Results, Weight-Bearing, Wound Healing.
MESH :
- chemical : Dental Implants.
- diagnostic imaging : Bone Resorption, Jaw, Edentulous, Mandible, Mandibular Diseases.
- instrumentation : Alveolar Ridge Augmentation, Osteogenesis, Distraction.
- methods : Alveolar Ridge Augmentation.
- pathology : Bone Resorption, Jaw, Edentulous, Mandible, Mandibular Diseases.
- physiology : Bone Remodeling, Calcification, Physiologic, Osteogenesis.
- surgery : Bone Resorption, Jaw, Edentulous, Mandible, Mandibular Diseases.
- Aged, Biopsy, Dental Implantation, Endosseous, Dental Prosthesis, Implant-Supported, Dental Restoration Failure, Denture Retention, Denture, Complete, Lower, Denture, Overlay, Humans, Microscopy, Electron, Middle Aged, Radiography, Reproducibility of Results, Weight-Bearing, Wound Healing.

Abstract

The aim of this study was to evaluate the clinical and histomorphological results of distraction of the severely resorbed edentulous mandible. In a group of 10 edentulous patients suffering from insufficient retention of their mandibular denture related to a severely resorbed mandible, the anterior segment was augmented as a preimplant surgical procedure using the nonvoluminous Groningen Distraction Device (GDD). Two months after the last day of distraction, a bone biopsy was taken with a trephine, both distraction screws were replaced by endosseous implants and the guide screw was removed. The biopsies were examined by means of light microscopy (LM) and transmission electron microscopy (TEM). Radiographical and histomorphological examination of the biopsies revealed the presence of two cortical zones, one at each end of the biopsies, a poorly mineralized, fibrous interzone in the middle of the distraction gap, and two zones of mineralization between the central fibrous and the peripheral cortical zones. Formation of lamellar bone parallel to the distraction vector was clearly visible in the mineralization zone as well as signs of remodelling at the borderline between the native cortical bone and the generate. Clinical examination showed in all patients that the anterior segment distracted from the mandible body was sufficiently enlarged to enable insertion of endosseous implants with a length of at least 12 mm. One implant was lost during the healing phase, but was successfully replaced thereafter. Implant retained overdentures were fabricated 3 months after implantation. All patients have good function 11.2 +/- 4.3 months after the end of treatment. From this study it is concluded that the GDD has proven to be a reliable tool for augmentation of the anterior segment of a severely resorbed edentulous mandible enabling osseointegration of endosseous load-bearing implants.

PubMed: 12453135

Affiliations:

Pays-Bas

Le document en format XML

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<term>Alveolar Ridge Augmentation (instrumentation)</term>
<term>Alveolar Ridge Augmentation (methods)</term>
<term>Biopsy</term>
<term>Bone Remodeling (physiology)</term>
<term>Bone Resorption (diagnostic imaging)</term>
<term>Bone Resorption (pathology)</term>
<term>Bone Resorption (surgery)</term>
<term>Calcification, Physiologic (physiology)</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Implants</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Restoration Failure</term>
<term>Denture Retention</term>
<term>Denture, Complete, Lower</term>
<term>Denture, Overlay</term>
<term>Humans</term>
<term>Jaw, Edentulous (diagnostic imaging)</term>
<term>Jaw, Edentulous (pathology)</term>
<term>Jaw, Edentulous (surgery)</term>
<term>Mandible (diagnostic imaging)</term>
<term>Mandible (pathology)</term>
<term>Mandible (surgery)</term>
<term>Mandibular Diseases (diagnostic imaging)</term>
<term>Mandibular Diseases (pathology)</term>
<term>Mandibular Diseases (surgery)</term>
<term>Microscopy, Electron</term>
<term>Middle Aged</term>
<term>Osteogenesis (physiology)</term>
<term>Osteogenesis, Distraction (instrumentation)</term>
<term>Radiography</term>
<term>Reproducibility of Results</term>
<term>Weight-Bearing</term>
<term>Wound Healing</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Biopsie</term>
<term>Calcification physiologique (physiologie)</term>
<term>Cicatrisation de plaie</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Maladies mandibulaires ()</term>
<term>Maladies mandibulaires (anatomopathologie)</term>
<term>Maladies mandibulaires (imagerie diagnostique)</term>
<term>Mandibule ()</term>
<term>Mandibule (anatomopathologie)</term>
<term>Mandibule (imagerie diagnostique)</term>
<term>Microscopie électronique</term>
<term>Mise en charge</term>
<term>Mâchoire édentée ()</term>
<term>Mâchoire édentée (anatomopathologie)</term>
<term>Mâchoire édentée (imagerie diagnostique)</term>
<term>Ostéogenèse (physiologie)</term>
<term>Ostéogenèse par distraction (instrumentation)</term>
<term>Overdenture</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Prothèse dentaire complète inférieure</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Radiographie</term>
<term>Reconstruction de crête alvéolaire ()</term>
<term>Reconstruction de crête alvéolaire (instrumentation)</term>
<term>Remodelage osseux (physiologie)</term>
<term>Reproductibilité des résultats</term>
<term>Résorption osseuse ()</term>
<term>Résorption osseuse (anatomopathologie)</term>
<term>Résorption osseuse (imagerie diagnostique)</term>
<term>Rétention d'appareil de prothèse dentaire</term>
<term>Sujet âgé</term>
<term>Échec de restauration dentaire</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term>
</keywords>
<keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Maladies mandibulaires</term>
<term>Mandibule</term>
<term>Mâchoire édentée</term>
<term>Résorption osseuse</term>
</keywords>
<keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Bone Resorption</term>
<term>Jaw, Edentulous</term>
<term>Mandible</term>
<term>Mandibular Diseases</term>
</keywords>
<keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Maladies mandibulaires</term>
<term>Mandibule</term>
<term>Mâchoire édentée</term>
<term>Résorption osseuse</term>
</keywords>
<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Alveolar Ridge Augmentation</term>
<term>Osteogenesis, Distraction</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Alveolar Ridge Augmentation</term>
</keywords>
<keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Bone Resorption</term>
<term>Jaw, Edentulous</term>
<term>Mandible</term>
<term>Mandibular Diseases</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Calcification physiologique</term>
<term>Ostéogenèse</term>
<term>Remodelage osseux</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Bone Remodeling</term>
<term>Calcification, Physiologic</term>
<term>Osteogenesis</term>
</keywords>
<keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Bone Resorption</term>
<term>Jaw, Edentulous</term>
<term>Mandible</term>
<term>Mandibular Diseases</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Aged</term>
<term>Biopsy</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Restoration Failure</term>
<term>Denture Retention</term>
<term>Denture, Complete, Lower</term>
<term>Denture, Overlay</term>
<term>Humans</term>
<term>Microscopy, Electron</term>
<term>Middle Aged</term>
<term>Radiography</term>
<term>Reproducibility of Results</term>
<term>Weight-Bearing</term>
<term>Wound Healing</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Biopsie</term>
<term>Cicatrisation de plaie</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Maladies mandibulaires</term>
<term>Mandibule</term>
<term>Microscopie électronique</term>
<term>Mise en charge</term>
<term>Mâchoire édentée</term>
<term>Ostéogenèse par distraction</term>
<term>Overdenture</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Prothèse dentaire complète inférieure</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Radiographie</term>
<term>Reconstruction de crête alvéolaire</term>
<term>Reproductibilité des résultats</term>
<term>Résorption osseuse</term>
<term>Rétention d'appareil de prothèse dentaire</term>
<term>Sujet âgé</term>
<term>Échec de restauration dentaire</term>
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<front><div type="abstract" xml:lang="en">The aim of this study was to evaluate the clinical and histomorphological results of distraction of the severely resorbed edentulous mandible. In a group of 10 edentulous patients suffering from insufficient retention of their mandibular denture related to a severely resorbed mandible, the anterior segment was augmented as a preimplant surgical procedure using the nonvoluminous Groningen Distraction Device (GDD). Two months after the last day of distraction, a bone biopsy was taken with a trephine, both distraction screws were replaced by endosseous implants and the guide screw was removed. The biopsies were examined by means of light microscopy (LM) and transmission electron microscopy (TEM). Radiographical and histomorphological examination of the biopsies revealed the presence of two cortical zones, one at each end of the biopsies, a poorly mineralized, fibrous interzone in the middle of the distraction gap, and two zones of mineralization between the central fibrous and the peripheral cortical zones. Formation of lamellar bone parallel to the distraction vector was clearly visible in the mineralization zone as well as signs of remodelling at the borderline between the native cortical bone and the generate. Clinical examination showed in all patients that the anterior segment distracted from the mandible body was sufficiently enlarged to enable insertion of endosseous implants with a length of at least 12 mm. One implant was lost during the healing phase, but was successfully replaced thereafter. Implant retained overdentures were fabricated 3 months after implantation. All patients have good function 11.2 +/- 4.3 months after the end of treatment. From this study it is concluded that the GDD has proven to be a reliable tool for augmentation of the anterior segment of a severely resorbed edentulous mandible enabling osseointegration of endosseous load-bearing implants.</div>
</front>
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Vertical distraction of the severely resorbed edentulous mandible: a clinical, histological and electron microscopic study of 10 treated cases.

Vertical distraction of the severely resorbed edentulous mandible: a clinical, histological and electron microscopic study of 10 treated cases.

Source :

Descripteurs français

English descriptors

Abstract

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