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  3. Relative Contributions of Osteogenic Tissues to New Bone Formation in Periosteal Distraction Osteogenesis: Histological and Histomorphometrical Evaluation in a Rat Calvaria
 

Relative Contributions of Osteogenic Tissues to New Bone Formation in Periosteal Distraction Osteogenesis: Histological and Histomorphometrical Evaluation in a Rat Calvaria

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BORIS DOI
10.7892/boris.5641
Date of Publication
October 2013
Publication Type
Article
Division/Institute

Universitätsklinik fü...

Zahnmedizinische Klin...

Author
Saulacic, Nikolaorcid-logo
Universitätsklinik für Schädel-, Kiefer- und Gesichtschirurgie
Hug, Cladius
Bosshardt, Dieter
Zahnmedizinische Kliniken, Klinik für Oralchirurgie und Stomatologie
Schaller, Benoît
Universitätsklinik für Schädel-, Kiefer- und Gesichtschirurgie
Buser, Daniel Albin
Zahnmedizinische Kliniken, Klinik für Oralchirurgie und Stomatologie
Haeniwa, Hideya
Universitätsklinik für Schädel-, Kiefer- und Gesichtschirurgie
Iizuka, Tateyuki
Universitätsklinik für Schädel-, Kiefer- und Gesichtschirurgie
Subject(s)

600 - Technology::610...

Series
Clinical implant dentistry and related research
ISSN or ISBN (if monograph)
1523-0899
Publisher
Blackwell
Language
English
Publisher DOI
10.1111/j.1708-8208.2011.00400.x
PubMed ID
22098938
Description
Background: The relative contributions of different, potential factors to new bone formation in periosteal distraction osteogenesis are unknown. Purpose: The aim of the present study was to assess the influence of original bone and periosteum on bone formation during periosteal distraction osteogenesis in a rat calvarial model by means of histology and histomorphometry. Methods: A total of 48 rats were used for the experiment. The contribution of the periosteum was assessed by either intact or incised periosteum or an occlusive versus a perforated distraction plate. The cortical bone was either left intact or perforated. Animals were divided in eight experimental groups considering the three possible treatment modalities. All animals were subjected to a 7-day latency period, a 10-day distraction period and a 7-day consolidation period. The newly formed bone was analyzed histologically and histomorphometrically. Results: New, mainly woven bone was found in all groups. Differences in the maximum height of new bone were observed and depended on location. Under the distraction plate, statistically significant differences in maximum bone height were found between the group with perforations in both cortical bone and distraction plate and the group without such perforations. Conclusions: If the marrow cavities were not opened, the contribution to new bone formation was dominant from the periosteum. If the bone perforations opened the marrow cavities, a significant contribution to new bone formation originated from the native bone.
Handle
https://boris-portal.unibe.ch/handle/20.500.12422/76261
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Relative contribution of osteogenic tissues.pdftextAdobe PDF3.5 MBpublisherpublished restricted
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