EdenteV1, Main, Exploration, bibRecord, 001C66

Simvastatin Application to Augment Facial Jaw Bone in a Dog Model: Pilot Study

Identifieur interne : 001C66 ( Main/Exploration ); précédent : 001C65; suivant : 001C67

Simvastatin Application to Augment Facial Jaw Bone in a Dog Model: Pilot Study

Auteurs : John Rutledge [États-Unis] ; Matthew D. Schieber [États-Unis] ; Judd M. Chamberlain [États-Unis] ; Matthew Byarlay [États-Unis] ; Amy C. Killeen [États-Unis] ; Peter J. Giannini [États-Unis] ; David B. Marx [États-Unis] ; Richard A. Reinhardt [États-Unis]

Source :

Journal of periodontology : (1970) [ 0022-3492 ] ; 2011.

RBID : Pascal:11-0211428

Descripteurs français

Pascal (Inist)
- Simvastatine, Histologie, Application, Face, Mâchoire, Os, Animal, Chien, Régénération, Ciblage, Plaie, Cicatrisation, Cicatrisant, Dentisterie, Hypolipémiant, Hypocholestérolémiant.
Wicri :
- topic : Histologie.

English descriptors

KwdEn :
- Animal, Antilipemic agent, Application, Bone, Cicatrization, Dentistry, Dog, Face, Healing agent, Histology, Hypocholesterolemic agent, Jaw, Regeneration, Simvastatin, Targeting, Wound.

Abstract

Background: Locally injected simvastatin (SIM) has been shown to induce bone growth in rat models. The purpose of this study is to evaluate the effects of locally injected simvastatin in several human-like clinical situations in a beagle dog model. Methods: Four beagle dogs completed the study and were used in a split-mouth design. Dehiscence defects of 5 x 3 mm were created bilaterally on the lateral aspect of the mandibular second premolar (PM2) mesial roots including removal of root cementum. At the same surgery, porous hydroxyapatite-collagen grafts with resorbable membranes with or without 10-mg SIM were placed buccal to the mandibular first molars (M1). One week later, three weekly local injections of 10-mg SIM in ethanol and contralateral ethanol alone were initiated at three sites through the buccal mucosa: 1) 6 mm apical to the cementoenamel junction (CEJ) of the maxillary fourth premolar (PM4; thin bone over root); 2) 6 mm apical to the CEJ of PM2 (dehiscence defect); and 3) 10 mm distoapical to the CEJ of the maxillary canine (edentulous ridge). Dogs were euthanized 2 months after the final injections. Block sections were harvested and specimens were decalcified and stained with hematoxylin and eosin. Histomorphometry was performed using digitized photographs and analyzed with distribution-free rank tests. Results: Regarding M1, the distance between CEJ and the alveolar crest was significantly more coronal in the SIM group (P= 0.038). Regarding the edentulous ridge, the width of new bone was significantly greater in SIM injection specimens (P= 0.0164). Regarding PM2, buccal bone in the dehiscence defects lacking periosteum was not augmented in the SIM group. Regarding PM4, the total width of bone 5 mm apical to the coronal height of contour (thin buccal bone covering the root) was significantly wider on the SIM side (SIM, 0.63 ± 0.53 mm; contralateral ethanol alone, 0.25 ± 0.19 mm; P= 0.0098). Conclusion: Locally injected SIM has the ability to induce modest amounts of new bone formation in closed injection sites over a periosteal surface.

Affiliations:

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animal</term>
<term>Antilipemic agent</term>
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<term>Cicatrization</term>
<term>Dentistry</term>
<term>Dog</term>
<term>Face</term>
<term>Healing agent</term>
<term>Histology</term>
<term>Hypocholesterolemic agent</term>
<term>Jaw</term>
<term>Regeneration</term>
<term>Simvastatin</term>
<term>Targeting</term>
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<term>Histologie</term>
<term>Application</term>
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<term>Mâchoire</term>
<term>Os</term>
<term>Animal</term>
<term>Chien</term>
<term>Régénération</term>
<term>Ciblage</term>
<term>Plaie</term>
<term>Cicatrisation</term>
<term>Cicatrisant</term>
<term>Dentisterie</term>
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<front><div type="abstract" xml:lang="en">Background: Locally injected simvastatin (SIM) has been shown to induce bone growth in rat models. The purpose of this study is to evaluate the effects of locally injected simvastatin in several human-like clinical situations in a beagle dog model. Methods: Four beagle dogs completed the study and were used in a split-mouth design. Dehiscence defects of 5 x 3 mm were created bilaterally on the lateral aspect of the mandibular second premolar (PM2) mesial roots including removal of root cementum. At the same surgery, porous hydroxyapatite-collagen grafts with resorbable membranes with or without 10-mg SIM were placed buccal to the mandibular first molars (M1). One week later, three weekly local injections of 10-mg SIM in ethanol and contralateral ethanol alone were initiated at three sites through the buccal mucosa: 1) 6 mm apical to the cementoenamel junction (CEJ) of the maxillary fourth premolar (PM4; thin bone over root); 2) 6 mm apical to the CEJ of PM2 (dehiscence defect); and 3) 10 mm distoapical to the CEJ of the maxillary canine (edentulous ridge). Dogs were euthanized 2 months after the final injections. Block sections were harvested and specimens were decalcified and stained with hematoxylin and eosin. Histomorphometry was performed using digitized photographs and analyzed with distribution-free rank tests. Results: Regarding M1, the distance between CEJ and the alveolar crest was significantly more coronal in the SIM group (P= 0.038). Regarding the edentulous ridge, the width of new bone was significantly greater in SIM injection specimens (P= 0.0164). Regarding PM2, buccal bone in the dehiscence defects lacking periosteum was not augmented in the SIM group. Regarding PM4, the total width of bone 5 mm apical to the coronal height of contour (thin buccal bone covering the root) was significantly wider on the SIM side (SIM, 0.63 ± 0.53 mm; contralateral ethanol alone, 0.25 ± 0.19 mm; P= 0.0098). Conclusion: Locally injected SIM has the ability to induce modest amounts of new bone formation in closed injection sites over a periosteal surface.</div>
</front>
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<name sortKey="Byarlay, Matthew" sort="Byarlay, Matthew" uniqKey="Byarlay M" first="Matthew" last="Byarlay">Matthew Byarlay</name>
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<name sortKey="Giannini, Peter J" sort="Giannini, Peter J" uniqKey="Giannini P" first="Peter J." last="Giannini">Peter J. Giannini</name>
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Simvastatin Application to Augment Facial Jaw Bone in a Dog Model: Pilot Study

Simvastatin Application to Augment Facial Jaw Bone in a Dog Model: Pilot Study

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri