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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Print version ISSN 0102-0935
SILVA, E.C. et al. Experimental application of hydroxyapatite in feline (Felis catus) dental sockets: clinic, radiographic, histologic and histomorphometric studies. Arq. Bras. Med. Vet. Zootec. [online]. 2012, vol.64, n.4, pp. 873-880. ISSN 0102-0935. http://dx.doi.org/10.1590/S0102-09352012000400013.
The biocompatibility of a material depends on its characteristics, as well as the species and the environment recipient. In order to evaluate the biological response of the synthetic hydroxyapatite (HAP-91) in feline dental alveoli, it was implanted in the right inferior third premolar after extraction in 12 cats and maintained through a bacterial cellulose membrane. On the left side the alveoli was covered with a bacterial cellulose membrane (control group). During clinical evaluations it was observed that the animals started to eat after the anesthetic recovery time, without clinical signs of pain. There was a satisfactory cicatrization of the surgical wound and the bacterial cellulose membrane aided in repairing the gum, avoiding the loss of the hydroxyapatite. Radiographs taken 50 days post surgery presented homogeneous bone radiopacity on both sides. The histological and histomorfometrical analysis showed a positive progress of the alveolar repair in the first 8 days in the treated group when compared to the control group and a delay at 30 days, however at 50 days both presented a similar and morphologically normal percentage of bone tissue. These findings suggest that HAP-91 is biocompatible and integrates into the feline alveolar bone.
Keywords : syntetic hydroxyapatite; alveoli; domestic cat; bacterial cellulose membrane.