Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta Cirúrgica Brasileira (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502020001000205 |
Resumo: | Abstract Purpose: To assess the effect of a collagen matrix (Mucograft®) on the inflammatory process in a semi-critical experimental defect model in rats treated with bisphosphonates. Methods: Eighteen Wistar rats were randomly divided into three groups: saline (CG), alendronate (ALD) 5mg/kg (AG) or zoledronic acid (ZA) 0.2mg/kg (ZG). ALD was administered orally for 10 weeks and ZA was administered intravascularly on days 0, 7 and 14 and 49. On day 42, a 2mm defect was created and filled with Mucograft® collagen matrix. The contralateral side was filled with a clot (control side). The animals were euthanized 70 days after the beginning of the experiment and the hemimandibles were radiographically and histologically (counting of empty osteocyte lacunae (%), apoptotic (%) and total osteoclasts, neutrophil and mononuclear inflammatory cells) analyzed. The variables were submitted to ANOVA/Bonferroni and t test (parametric data) (p <0.05, GraphPad Prism 5.0). Results: Significant bone repair occurred in the groups treated with Mucograft®. High number of total inflammatory cells and neutrophils cells were showed in AG (p=0.026 and p=0.035) and AZ groups (p=0.005, p=0.034) on the control sides associated with delayed bone repair and the presence of devitalized bone tissue in AG and ZG on the Mucograft® side. Conclusion: Mucograft® collagen matrix attenuated the inflammatory process in a mandible defect in rats submitted to the use of bisphosphonates (AG and ZG). |
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Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonatesCollagenOsteonecrosisBiphosphonatesBone and BonesRatsAbstract Purpose: To assess the effect of a collagen matrix (Mucograft®) on the inflammatory process in a semi-critical experimental defect model in rats treated with bisphosphonates. Methods: Eighteen Wistar rats were randomly divided into three groups: saline (CG), alendronate (ALD) 5mg/kg (AG) or zoledronic acid (ZA) 0.2mg/kg (ZG). ALD was administered orally for 10 weeks and ZA was administered intravascularly on days 0, 7 and 14 and 49. On day 42, a 2mm defect was created and filled with Mucograft® collagen matrix. The contralateral side was filled with a clot (control side). The animals were euthanized 70 days after the beginning of the experiment and the hemimandibles were radiographically and histologically (counting of empty osteocyte lacunae (%), apoptotic (%) and total osteoclasts, neutrophil and mononuclear inflammatory cells) analyzed. The variables were submitted to ANOVA/Bonferroni and t test (parametric data) (p <0.05, GraphPad Prism 5.0). Results: Significant bone repair occurred in the groups treated with Mucograft®. High number of total inflammatory cells and neutrophils cells were showed in AG (p=0.026 and p=0.035) and AZ groups (p=0.005, p=0.034) on the control sides associated with delayed bone repair and the presence of devitalized bone tissue in AG and ZG on the Mucograft® side. Conclusion: Mucograft® collagen matrix attenuated the inflammatory process in a mandible defect in rats submitted to the use of bisphosphonates (AG and ZG).Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502020001000205Acta Cirúrgica Brasileira v.35 n.10 2020reponame:Acta Cirúrgica Brasileira (Online)instname:Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (SBDPC)instacron:SBDPC10.1590/s0102-865020200100000005info:eu-repo/semantics/openAccessCunha,Vanessa VasconcelosSilva,Paulo Goberlânio de BarrosLemos,José Vitor MotaMartins,Joyce Ohana LimaFreitas,Milena OliveiraAvelar,Rafael Linardeng2020-11-26T00:00:00Zoai:scielo:S0102-86502020001000205Revistahttps://www.bvs-vet.org.br/vetindex/periodicos/acta-cirurgica-brasileira/https://old.scielo.br/oai/scielo-oai.php||sgolden@terra.com.br0102-86501678-2674opendoar:2020-11-26T00:00Acta Cirúrgica Brasileira (Online) - Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (SBDPC)false |
dc.title.none.fl_str_mv |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates |
title |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates |
spellingShingle |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates Cunha,Vanessa Vasconcelos Collagen Osteonecrosis Biphosphonates Bone and Bones Rats |
title_short |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates |
title_full |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates |
title_fullStr |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates |
title_full_unstemmed |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates |
title_sort |
Evaluation of a collagen matrix in a mandible defect in rats submitted to the use of bisphosphonates |
author |
Cunha,Vanessa Vasconcelos |
author_facet |
Cunha,Vanessa Vasconcelos Silva,Paulo Goberlânio de Barros Lemos,José Vitor Mota Martins,Joyce Ohana Lima Freitas,Milena Oliveira Avelar,Rafael Linard |
author_role |
author |
author2 |
Silva,Paulo Goberlânio de Barros Lemos,José Vitor Mota Martins,Joyce Ohana Lima Freitas,Milena Oliveira Avelar,Rafael Linard |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Cunha,Vanessa Vasconcelos Silva,Paulo Goberlânio de Barros Lemos,José Vitor Mota Martins,Joyce Ohana Lima Freitas,Milena Oliveira Avelar,Rafael Linard |
dc.subject.por.fl_str_mv |
Collagen Osteonecrosis Biphosphonates Bone and Bones Rats |
topic |
Collagen Osteonecrosis Biphosphonates Bone and Bones Rats |
description |
Abstract Purpose: To assess the effect of a collagen matrix (Mucograft®) on the inflammatory process in a semi-critical experimental defect model in rats treated with bisphosphonates. Methods: Eighteen Wistar rats were randomly divided into three groups: saline (CG), alendronate (ALD) 5mg/kg (AG) or zoledronic acid (ZA) 0.2mg/kg (ZG). ALD was administered orally for 10 weeks and ZA was administered intravascularly on days 0, 7 and 14 and 49. On day 42, a 2mm defect was created and filled with Mucograft® collagen matrix. The contralateral side was filled with a clot (control side). The animals were euthanized 70 days after the beginning of the experiment and the hemimandibles were radiographically and histologically (counting of empty osteocyte lacunae (%), apoptotic (%) and total osteoclasts, neutrophil and mononuclear inflammatory cells) analyzed. The variables were submitted to ANOVA/Bonferroni and t test (parametric data) (p <0.05, GraphPad Prism 5.0). Results: Significant bone repair occurred in the groups treated with Mucograft®. High number of total inflammatory cells and neutrophils cells were showed in AG (p=0.026 and p=0.035) and AZ groups (p=0.005, p=0.034) on the control sides associated with delayed bone repair and the presence of devitalized bone tissue in AG and ZG on the Mucograft® side. Conclusion: Mucograft® collagen matrix attenuated the inflammatory process in a mandible defect in rats submitted to the use of bisphosphonates (AG and ZG). |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502020001000205 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502020001000205 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/s0102-865020200100000005 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia |
publisher.none.fl_str_mv |
Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia |
dc.source.none.fl_str_mv |
Acta Cirúrgica Brasileira v.35 n.10 2020 reponame:Acta Cirúrgica Brasileira (Online) instname:Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (SBDPC) instacron:SBDPC |
instname_str |
Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (SBDPC) |
instacron_str |
SBDPC |
institution |
SBDPC |
reponame_str |
Acta Cirúrgica Brasileira (Online) |
collection |
Acta Cirúrgica Brasileira (Online) |
repository.name.fl_str_mv |
Acta Cirúrgica Brasileira (Online) - Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (SBDPC) |
repository.mail.fl_str_mv |
||sgolden@terra.com.br |
_version_ |
1752126445875888128 |