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Engineered bone by autologous osteoblasts on polymeric scaffolds in maxillary sinus augmentation: histologic report.

Identifieur interne : 001A88 ( PubMed/Corpus ); précédent : 001A87; suivant : 001A89

Engineered bone by autologous osteoblasts on polymeric scaffolds in maxillary sinus augmentation: histologic report.

Auteurs : Carlo Mangano ; Adriano Piattelli ; Lucia Tettamanti ; Francesco Mangano ; Alessandro Mangano ; Fábio Borges ; Giovanna Iezzi ; Susana D'Avila ; Jamil Awad Shibli

Source :

RBID : pubmed:20545540

English descriptors

Abstract

Several regenerative therapies have been used for maxillary sinus grafting. However, recent advances in modern bone tissue engineering techniques have been evaluated. The aim of this histologic report was to evaluate the bone obtained by a culture of autogenous osteoblasts seeded on polyglycolic-polylactid scaffolds in maxillary sinus augmentation. A 56-year-old partially edentulous male with severe atrophy of the posterior maxilla received 6 polyglycolid-polylactid disks (8 mm diameter × 2 mm depth, Oral Bone), each carrying 1.5 million autogenous osteoblasts into the depth of the sinus cavity. After 6 months healing, a bone core was harvested and histologically evaluated. The augmented maxillary sinus with engineered bone presented a mean of 28.89% and 71.11% of bone and medullary spaces, respectively. Data from this case report demonstrate that the newly formed bone provided by engineered bone tissue allowed proper initial stability for dental implant placement. However, the role of this new bone in the long-term success of dental implant anchorage needs further investigation.

DOI: 10.1563/AAID-JOI-D-09-00028
PubMed: 20545540

Links to Exploration step

pubmed:20545540

Le document en format XML

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<name sortKey="Mangano, Carlo" sort="Mangano, Carlo" uniqKey="Mangano C" first="Carlo" last="Mangano">Carlo Mangano</name>
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<nlm:affiliation>Department of Biomaterial Sciences, Insubria University, Varese, Italy.</nlm:affiliation>
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<name sortKey="Piattelli, Adriano" sort="Piattelli, Adriano" uniqKey="Piattelli A" first="Adriano" last="Piattelli">Adriano Piattelli</name>
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<name sortKey="Iezzi, Giovanna" sort="Iezzi, Giovanna" uniqKey="Iezzi G" first="Giovanna" last="Iezzi">Giovanna Iezzi</name>
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<name sortKey="D Avila, Susana" sort="D Avila, Susana" uniqKey="D Avila S" first="Susana" last="D'Avila">Susana D'Avila</name>
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<term>Biocompatible Materials (chemistry)</term>
<term>Biopsy</term>
<term>Bone Density (physiology)</term>
<term>Cell Culture Techniques</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Implants</term>
<term>Dental Prosthesis Retention</term>
<term>Humans</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Jaw, Edentulous, Partially (surgery)</term>
<term>Lactic Acid (chemistry)</term>
<term>Male</term>
<term>Maxilla (pathology)</term>
<term>Maxilla (surgery)</term>
<term>Maxillary Sinus (pathology)</term>
<term>Maxillary Sinus (surgery)</term>
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<term>Osteoblasts (pathology)</term>
<term>Osteoblasts (transplantation)</term>
<term>Polyglycolic Acid (chemistry)</term>
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<term>Maxilla</term>
<term>Maxillary Sinus</term>
<term>Osteoblasts</term>
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<term>Bone Density</term>
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<term>Middle Aged</term>
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<front>
<div type="abstract" xml:lang="en">Several regenerative therapies have been used for maxillary sinus grafting. However, recent advances in modern bone tissue engineering techniques have been evaluated. The aim of this histologic report was to evaluate the bone obtained by a culture of autogenous osteoblasts seeded on polyglycolic-polylactid scaffolds in maxillary sinus augmentation. A 56-year-old partially edentulous male with severe atrophy of the posterior maxilla received 6 polyglycolid-polylactid disks (8 mm diameter × 2 mm depth, Oral Bone), each carrying 1.5 million autogenous osteoblasts into the depth of the sinus cavity. After 6 months healing, a bone core was harvested and histologically evaluated. The augmented maxillary sinus with engineered bone presented a mean of 28.89% and 71.11% of bone and medullary spaces, respectively. Data from this case report demonstrate that the newly formed bone provided by engineered bone tissue allowed proper initial stability for dental implant placement. However, the role of this new bone in the long-term success of dental implant anchorage needs further investigation.</div>
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