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Data/hora: 01/06/2024 02:38:55

Chondroitin sulfate and glucosamine in the cartilage and subchondral bone repair of dogs - Histological findings
Provedor de dados: 45
Autores: Eleotério,R.B.; Pontes,K.C.S.; Machado,J.P.; Reis,E.C.C.; Ferreira,P.S.; Silva,M.B.; Martins,N.J.S.; Fernandes,N.A.; Borges,A.P.B.
Chondroitin and glucosamine sulfate nutraceuticals are commonly used in the management of degenerative articular disease in veterinary routine. However, there are controversies on the contribution of these substances to articular cartilage. The purpose of this study was to evaluate the efficiency of a chondroitin and glucosamine sulfate-based veterinary nutraceutical on the repair of an induced osteochondral defect in a dog femoral condyle, by macroscopic, histological and histomorphometric analyses. The nutraceutical was orally administered the day following injury induction, every 24 hours (treated group, TG, n=24), compared with animals that did not receive the product (control group, CG, n=24). Six animals per group were anaesthetized for sample...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Degenerative articular disease; Osteoarthritis; Arthrosis; Chondroprotective; Cartilage.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352015000200325

Hydroxyapatite, polycaprolactone and alendronate composites for bone regeneration in rabbits' olecranon: histological features
Provedor de dados: 45
Autores: Valente,F.L.; Reis,E.C.C.; Sepúlveda,R.V.; Ochoa,C.C.R.; Santos,L.C.; Corsini,C.M.; Borges,A.P.B.
O presente trabalho teve como objetivo avaliar a biocompatibilidade e a osseointegração de compósitos de hidroxiapatita (HA), policaprolactona (PCL) e alendronato (ALN) em defeitos ósseos produzidos no olécrano de coelhos. Trinta e seis coelhos foram distribuídos em quatro grupos, recebendo como tratamento: (1) compósito de HA (49,5%), PCL (49,5%) e ALN (1%); (2) HA (50%) e PCL (50%); (3) PCL (100%); e (4) solução salina 0,9%. As amostras para análise histológica foram coletadas de três animais de cada grupo aos oito, 45 e 90 dias de pós-operatório. No oitavo dia, as bordas do defeito ainda eram identificáveis em todos os grupos. Tecido ósseo novo era formado em contato com o biomaterial apenas nas formulações que incluíam HA. Essas características...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Bone regeneration; Biocompatibility; Biomaterial.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000200543

A new surgical technique to treat corneal perforations using amniotic membrane and surgical adhesive
Provedor de dados: 45
Autores: Pontes,K.C.S.; Borges,A.P.B.; Eleotério,R.B.; Frazão,A.C.N.; Machado,D.P.D.; Reis,E.C.C.; Sepúlveda,R.V.; Duarte,T.S.; Laus,J.L.
The objectives of this study were to compare surgical techniques and the effects of using n-butyl 2-cyanoacrylate and bovine amniotic membrane to repair perforated lesions in corneas. Penetrating keratoplasty was performed in sixty New Zealand White rabbits under general anesthesia. Group 1 (G1) was treated with n-butyl 2-cyanoacrylate, group 2 (G2) received a fragment of amniotic membrane through the anterior chamber and application of n-butyl 2-cyanoacrylate over the lesion, group 3 (G3) was treated with the same technique as G2 with the addition of an amniotic membrane bandage covering the cornea and sutured in the limbus region, and group 4 (G4) was treated with an amniotic membrane sutured to the lesion and an amniotic membrane bandage sutured in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rabbits; Cornea; Cyanoacrylate; Glycerin; Ophthalmic surgery.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000300655

Treatment of periodontal disease with guided tissue regeneration technique using a hydroxyapatite and polycaprolactone membrane
Provedor de dados: 45
Autores: Martins,L.M.A.; Valente,F.L.; Reis,E.C.C.; Sepúlveda,R.V.; Perdigão,A.P.L.; Borges,A.P.B.
ABSTRACT The aim of this study was to evaluate the use of a malleable membrane composed of hydroxyapatite (60%) and polycaprolactone (40%) as treatment of periodontal disease experimentally induced in dogs. A bone defect of standardized dimensions was created between the roots of the third and fourth premolar of 12 dogs for periodontal disease induction. Six dogs had the defect covered by the membrane and six dogs received only standard treatment for periodontal disease, also applied to dogs in the treated group. The animals were clinically monitored during the experiment. Radiographs were taken after surgery and at 60 days after treatment initiation. Clinical attachment level was also assessed in those moments. On the 60th day, dental sample of all...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biomaterial; Animal model; Dentistry.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000601413