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Parietal bone as graft material for maxillary sinus floor elevation: structure and remodeling of the donor and of recipient sites

Identifieur interne : 000238 ( France/Analysis ); précédent : 000237; suivant : 000239

Parietal bone as graft material for maxillary sinus floor elevation: structure and remodeling of the donor and of recipient sites

Auteurs : Ingrid Le Lorc'H-Bukiet [France] ; Jean-François Tulasne [France] ; Annie Llorens [France] ; Philippe Lesclous [France]

Source :

RBID : ISTEX:66DB06F9B7F12D25C87543B1A2475EF58729BF71

English descriptors

Abstract

Abstract: Particulate parietal bone is used for maxillary sinus floor elevation procedure prior to dental implant placement. However, data on internal structure of the parietal bone and on graft remodeling and incorporation in the host bone are limited. We determined the structure and remodeling activities of 24 parietal bone specimens sampled at time of sinus grafting (T1 samples), and the amount and turnover of bone formed at the recipient site at time of implant placement (T2 samples, obtained 10 months after T1 samples, on average). In T1 samples, the outer cortex was 1.16±0.45 mm thick, had a typical haversian structure, and showed a low level of remodeling. In the cancellous portion of the samples, trabecular bone volume represented 52.8±10.3%. Bone remodeling was more active in the cancellous portion than in the cortical portion, but few osteoblasts and osteoclasts were seen. T2 samples consisted solely of trabecular bone, which occupied 49.4±18.4% of total sample volume. The boundary between new bone and the recipient bed was not discernible. Remnants of the graft particles were embedded within new bone, and showed signs of intense resorption. Bone remodeling was highly active, as shown by the presence of numerous osteoclasts resorbing new bone, together with thick osteoid seams and large osteoblasts. A loose cotton‐like mineralized material was frequently observed in the marrow spaces; this acellular and non‐collagenous material was strongly stained by toluidine blue, suggesting a glycoprotein nature. This study offers insights into cortical and trabecular bone structure and shows the low‐level remodeling activity of parietal bone. About 10 months after grafting, the grafted chips were incorporated in new bone and almost completely resorbed. This high turnover may be beneficial for implant placement.

Url:
DOI: 10.1111/j.1600-0501.2004.01102.x


Affiliations:


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ISTEX:66DB06F9B7F12D25C87543B1A2475EF58729BF71

Le document en format XML

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<name sortKey="Tulasne, Jean Rancois" sort="Tulasne, Jean Rancois" uniqKey="Tulasne J" first="Jean-François" last="Tulasne">Jean-François Tulasne</name>
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<term>Bone formation</term>
<term>Bone surface</term>
<term>Bone turnover</term>
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<term>Cancellous bone</term>
<term>Cancellous portion</term>
<term>Chirurgie dentaire</term>
<term>Collagen network</term>
<term>Coronal suture</term>
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<term>Craniofacial surgery</term>
<term>Dense network</term>
<term>Elevation</term>
<term>Empty osteocytic lacunae</term>
<term>Endochondral bone</term>
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<term>Faible niveau</term>
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<term>Graft integration</term>
<term>Graft material</term>
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<term>Hematopoietic</term>
<term>Hematopoietic bone marrow</term>
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<term>Hueso</term>
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<term>Implant placement</term>
<term>Internal structure</term>
<term>Kossa technique</term>
<term>Lado oseo</term>
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<term>Large osteoblasts</term>
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<term>Marrow spaces</term>
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<term>Membranous bone</term>
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<term>Mineralized matrix</term>
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<term>Oral impl</term>
<term>Oral maxillofacial implants</term>
<term>Osteoblast</term>
<term>Osteoclast</term>
<term>Parietal</term>
<term>Parietal bone</term>
<term>Parietal bone graft</term>
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<term>Porcion esponjosa</term>
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<term>Recipient sites</term>
<term>Reconstructive surgery</term>
<term>Reversal lines</term>
<term>Sagittal suture</term>
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<term>Sinus grafts</term>
<term>Stromal cells</term>
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<term>Trabecular bone</term>
<term>Trabecular bone volume</term>
<term>Vascular channels</term>
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<term>Wong rabie</term>
<term>Zins whitaker</term>
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<term>Acid phosphatase</term>
<term>Autogenous bone grafts</term>
<term>Bajo nivel</term>
<term>Bone</term>
<term>Bone formation</term>
<term>Bone surface</term>
<term>Bone turnover</term>
<term>Bone types</term>
<term>Bone volume</term>
<term>Cancellous</term>
<term>Cancellous bone</term>
<term>Cancellous portion</term>
<term>Chirurgie dentaire</term>
<term>Collagen network</term>
<term>Coronal suture</term>
<term>Cortical</term>
<term>Craniofacial surgery</term>
<term>Dense network</term>
<term>Elevation</term>
<term>Empty osteocytic lacunae</term>
<term>Endochondral bone</term>
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<term>Ethnic origin</term>
<term>Faible niveau</term>
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<term>Graft integration</term>
<term>Graft material</term>
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<term>Implant</term>
<term>Implant placement</term>
<term>Internal structure</term>
<term>Kossa technique</term>
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<term>Lamellar structure</term>
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<term>Large osteoblasts</term>
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<term>Membranous bone</term>
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<term>Oral maxillofacial implants</term>
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<term>Parietal</term>
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<term>Parietal bone graft</term>
<term>Particulate grafts</term>
<term>Particulate parietal bone</term>
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<term>Sagittal suture</term>
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<term>Sinus grafts</term>
<term>Stromal cells</term>
<term>Thick osteoid seams</term>
<term>Tiny fragments</term>
<term>Toluidine</term>
<term>Trabecular</term>
<term>Trabecular bone</term>
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<front>
<div type="abstract">Abstract: Particulate parietal bone is used for maxillary sinus floor elevation procedure prior to dental implant placement. However, data on internal structure of the parietal bone and on graft remodeling and incorporation in the host bone are limited. We determined the structure and remodeling activities of 24 parietal bone specimens sampled at time of sinus grafting (T1 samples), and the amount and turnover of bone formed at the recipient site at time of implant placement (T2 samples, obtained 10 months after T1 samples, on average). In T1 samples, the outer cortex was 1.16±0.45 mm thick, had a typical haversian structure, and showed a low level of remodeling. In the cancellous portion of the samples, trabecular bone volume represented 52.8±10.3%. Bone remodeling was more active in the cancellous portion than in the cortical portion, but few osteoblasts and osteoclasts were seen. T2 samples consisted solely of trabecular bone, which occupied 49.4±18.4% of total sample volume. The boundary between new bone and the recipient bed was not discernible. Remnants of the graft particles were embedded within new bone, and showed signs of intense resorption. Bone remodeling was highly active, as shown by the presence of numerous osteoclasts resorbing new bone, together with thick osteoid seams and large osteoblasts. A loose cotton‐like mineralized material was frequently observed in the marrow spaces; this acellular and non‐collagenous material was strongly stained by toluidine blue, suggesting a glycoprotein nature. This study offers insights into cortical and trabecular bone structure and shows the low‐level remodeling activity of parietal bone. About 10 months after grafting, the grafted chips were incorporated in new bone and almost completely resorbed. This high turnover may be beneficial for implant placement.</div>
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