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Reação do tecido subcutâneo de rato à implantação do MTA branco e Ultrapex com e sem própolis / Reaction of connective tissues rats to implantation of white MTA and Ultrapex with or without propolis
Nava, Maria Lourdes Arámbula; Broon, Norberto Juárez; Ramales, José Jesús Arcadio Navarrete; Bramante, Clovis Monteiro; Bramante, Alexandre Silva.
  • Nava, Maria Lourdes Arámbula; s.af
  • Broon, Norberto Juárez; s.af
  • Ramales, José Jesús Arcadio Navarrete; s.af
  • Bramante, Clovis Monteiro; Prof. de Endodontia, FOB-USP – Bauru - SP. Bauru. BR
  • Bramante, Alexandre Silva; s.af
Full dent. sci ; 2(6): 152-156, 20110816.
Article in Portuguese | LILACS, BBO | ID: biblio-850829
RESUMO
O objetivo deste estudo foi comparar a reação do tecido subcutâneo de rato, frente a implantação de MTA branco-Angelus® e Ultrapex® com e sem própolis. Tubos de polietileno, preenchidos com MTA branco, MTA branco+própolis, Ultrap ex® e Ultrapex®+própolis foram implantados em tecido subcutâneo de 21 ratos Wistar (Rattus norvegicus). Os animais foram mortos aos 30, 45 e 60 dias. O tecido contendo o implante foi removido e processado histologicamente.Cortes seriados de 5μm foram corados pela hematoxilina e eosina em que se avaliou a intensidade do infiltrado inflamatório, característica da cápsula fibrosa e dispersão do material. A esses dados foi aplicado o teste do Qui-quadrado o qual se observou diferença estatisticamente significante entre os quatro materiais experimentais. O MTA branco+própolis foi o que apresentou uma menor reação tecidual, seguido do MTA branco, Ultrapex®+própolis e Ultrapex®. A adição da própolis melhorou o comportamento biológico dos materiais em teste
ABSTRACT
The aims of this study was to compare the reaction of white MTA-Angelus® and Ultrapex® with and without propolis. Polyethylene tubes filled with white MTA, white MTA+propolis, Ultrapex, Ultrapex®+propolis were implanted in subcutaneous tissue of 21 Wistar rats (Rattus norvegicus). The animals were killed at 30, 45 and 60 days. The tissue containing the implant was removed and processed histologically. Serial sections of 5μm were stained with hematoxylin and eosin. They were evaluated the inflammatory infiltrate, and characteristic of fibrous capsule anddispersal of the material. The data was applied to the Chi-square where there was a statistically significant difference among the four experimental materials. White MTA + propolis showed a more favorable tissue reaction, followed by white MTA, Ultrapex® + propolis and Ultrapex®. The propolis has improved the biological behavior of materials under test
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Index: LILACS (Americas) Main subject: Propolis / Calcium Hydroxide / Giant Cells / Connective Tissue / Subcutaneous Tissue / Dental Materials / Inflammation Limits: Animals Language: Portuguese Journal: Full dent. sci Journal subject: Dentistry Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Prof. de Endodontia, FOB-USP – Bauru - SP/BR

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Index: LILACS (Americas) Main subject: Propolis / Calcium Hydroxide / Giant Cells / Connective Tissue / Subcutaneous Tissue / Dental Materials / Inflammation Limits: Animals Language: Portuguese Journal: Full dent. sci Journal subject: Dentistry Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Prof. de Endodontia, FOB-USP – Bauru - SP/BR