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Use of a New Fibrin Sealant and Laser Irradiation in the Repair of Skull Defects in Rats
Iatecola, Amilton; Barraviera, Benedito; Junior, Rui Seabra Ferreira; Santos, Geovane Ribeiro dos; Neves, Jose Ivanildo; Cunha, Marcelo Rodrigues da.
  • Iatecola, Amilton; FMJ - Medical School of Jundiai. Department of Morphology and Pathology. Jundiai. BR
  • Barraviera, Benedito; FMJ - Medical School of Jundiai. Department of Morphology and Pathology. Jundiai. BR
  • Junior, Rui Seabra Ferreira; FMJ - Medical School of Jundiai. Department of Morphology and Pathology. Jundiai. BR
  • Santos, Geovane Ribeiro dos; FMJ - Medical School of Jundiai. Department of Morphology and Pathology. Jundiai. BR
  • Neves, Jose Ivanildo; FMJ - Medical School of Jundiai. Department of Morphology and Pathology. Jundiai. BR
  • Cunha, Marcelo Rodrigues da; FMJ - Medical School of Jundiai. Department of Morphology and Pathology. Jundiai. BR
Braz. dent. j ; 24(5): 456-461, Sep-Oct/2013. graf
Article in English | LILACS | ID: lil-697643
ABSTRACT
This study evaluated the osteogenic capacity of a new fibrin sealant (FS) combined with bone graft and laser irradiation in the bone repair. Defects were created in the skull of 30 rats and filled with autogenous graft and FS derived from snake venom. Immediately after implantation, low-power laser was applied on the surgical site. The animals were divided in control group with autogenous graft (G1), autogenous graft and laser 5 J/cm2 (G2), autogenous graft and laser 7 J/cm2 (G3), autogenous graft and FS (G4), autogenous graft, FS and laser 5 J/cm2 (G5), autogenous graft, FS and laser 7 J/cm2 (G6). The animals were sacrificed 6 weeks after implant. Results showed absence of inflammatory infiltrate in the bone defect. New bone formation occurred in all groups, but it was most intense in G6. Thus, the FS and laser 7 J/cm2 showed osteoconductive capacity and can be an interesting resource to be applied in surgery of bone reconstruction.
RESUMO
Este estudo avaliou a capacidade osteogênica de um novo selante de fibrina (FS) associado com enxerto ósseo e irradiação laser no reparo ósseo. Defeitos foram criados no crânio de 30 ratos e preenchidos com enxerto autógeno e FS derivado do veneno de cobra. Imediatamente após implantação, foi aplicado laser de baixa potência na área cirúrgica. Os animais foram divididos em grupo controle com autógeno (G1), autógeno e laser 5 J/cm2 (G2), autógeno e laser 7J/cm2 (G3), autógeno e FS (G4), autógeno, FS e laser 5J/cm2 (G5), autógeno, FS e laser 7J/cm2 (G6). Os animais foram sacrificados 6 semanas após implante. Resultados mostraram ausência de infiltrado inflamatório no defeito ósseo. Neoformação óssea ocorreu em todos os grupos, entretanto, foi mais intenso em G6. Desta maneira, o FS e laser 7J/cm2 mostraram capacidade osteocondutiva e podem ser um interessante recurso a ser aplicado nas cirurgias de reconstrução óssea.
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Full text: Available Index: LILACS (Americas) Main subject: Skull / Fibrin Tissue Adhesive Limits: Animals Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: FMJ - Medical School of Jundiai/BR

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Full text: Available Index: LILACS (Americas) Main subject: Skull / Fibrin Tissue Adhesive Limits: Animals Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: FMJ - Medical School of Jundiai/BR