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Histologic findings at augmented bone areas supplied with two different bone substitute materials combined with sinus floor lifting. Report of one case.

Identifieur interne : 007758 ( Main/Exploration ); précédent : 007757; suivant : 007759

Histologic findings at augmented bone areas supplied with two different bone substitute materials combined with sinus floor lifting. Report of one case.

Auteurs : Rolf Ewers [Autriche] ; Walter Goriwoda ; Christian Schopper ; Doris Moser ; Else Spassova

Source :

RBID : pubmed:14731182

Descripteurs français

English descriptors

Abstract

This case report is focused on the histologic findings of bone tissue supplied with two different hydroxyapatites (HAs) used for maxillary sinus floor grafting in the same patient after various healing intervals. An insufficient unilateral sinus floor grafting with Bio-Oss biomaterial was followed by an additional grafting procedure with Algipore biomaterial performed 4 years later. Bone samples obtained during second-stage dental implantation contained the interesting combination of Bio-Oss, a bovine anorganic bone substitute, and Algipore, a porous algae-derived HA, in close vicinity, yet after different healing periods. Light microscopy exhibited satisfactory osseointegration of both grafting materials. However, Bio-Oss biomaterial showed no evidence of substantial remodeling after a healing period of 4.5 years. On the other hand, Algipore particles demonstrated signs of remodeling by being locally resorbed and partially replaced with newly formed bone already within 6 months.

PubMed: 14731182


Affiliations:


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Le document en format XML

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<nlm:affiliation>University Hospital of Cranio-Maxillofacial and Oral Surgery, Medical School, University of Vienna, Austria. rolf.ewers@akh-wien.ac.at</nlm:affiliation>
<country xml:lang="fr">Autriche</country>
<wicri:regionArea>University Hospital of Cranio-Maxillofacial and Oral Surgery, Medical School, University of Vienna</wicri:regionArea>
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<name sortKey="Moser, Doris" sort="Moser, Doris" uniqKey="Moser D" first="Doris" last="Moser">Doris Moser</name>
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<term>Animals</term>
<term>Bone Matrix (transplantation)</term>
<term>Bone Substitutes</term>
<term>Cattle</term>
<term>Durapatite</term>
<term>Eukaryota</term>
<term>Female</term>
<term>Humans</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Maxillary Sinus (surgery)</term>
<term>Microscopy, Electron, Scanning</term>
<term>Minerals</term>
<term>Oral Surgical Procedures (methods)</term>
<term>Osseointegration</term>
<term>Osteogenesis</term>
<term>Reoperation</term>
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<term>Animaux</term>
<term>Bovins</term>
<term>Durapatite</term>
<term>Eucaryotes</term>
<term>Femelle</term>
<term>Humains</term>
<term>Microscopie électronique à balayage</term>
<term>Minéraux</term>
<term>Mâchoire partiellement édentée (rééducation et réadaptation)</term>
<term>Ostéo-intégration</term>
<term>Ostéogenèse</term>
<term>Procédures de chirurgie maxillofaciale et buccodentaire ()</term>
<term>Réintervention</term>
<term>Sinus maxillaire ()</term>
<term>Substituts osseux</term>
<term>Sujet âgé</term>
<term>Trame osseuse (transplantation)</term>
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<term>Bone Substitutes</term>
<term>Durapatite</term>
<term>Minerals</term>
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<term>Mâchoire partiellement édentée</term>
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<term>Maxillary Sinus</term>
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<term>Bone Matrix</term>
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<term>Animals</term>
<term>Cattle</term>
<term>Eukaryota</term>
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<term>Ostéo-intégration</term>
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<div type="abstract" xml:lang="en">This case report is focused on the histologic findings of bone tissue supplied with two different hydroxyapatites (HAs) used for maxillary sinus floor grafting in the same patient after various healing intervals. An insufficient unilateral sinus floor grafting with Bio-Oss biomaterial was followed by an additional grafting procedure with Algipore biomaterial performed 4 years later. Bone samples obtained during second-stage dental implantation contained the interesting combination of Bio-Oss, a bovine anorganic bone substitute, and Algipore, a porous algae-derived HA, in close vicinity, yet after different healing periods. Light microscopy exhibited satisfactory osseointegration of both grafting materials. However, Bio-Oss biomaterial showed no evidence of substantial remodeling after a healing period of 4.5 years. On the other hand, Algipore particles demonstrated signs of remodeling by being locally resorbed and partially replaced with newly formed bone already within 6 months.</div>
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