After the extraction of two molars in a dog's jaw, a single crystal alumina screw was implanted. Monthly radiographs were taken and analyzed by means of a video display computer (VDC) to obtain densitometric informations about the interface. After one year implantation, the bone segment containing the prosthesis was fixed in 4\% paraformaldehyde, embedded in methacrylate and sectioned by a microtome saw. The results in light microscopy with ordinary and polarized light, in SEM and X-ray microanalysis, show the presence of a thick connective tissue layer interposed between the screw and the bone. The histological findings confirm the results obtained through the VDC analysis of the radiographic images.
Implantations dentaires en alumine monocrystalline chez l'animal: étude du tissu périmplantaire [Monocrystalline aluminum dental implants in animals: a study of the peri-implant tissue] / Gatti, Antonietta; Zaffe, Davide; G. P., Poli. - In: BULLETIN DU GROUPEMENT INTERNATIONAL POUR LA RECHERCHE SCIENTIFIQUE EN STOMATOLOGIE & ODONTOLOGIE. - ISSN 0250-4693. - STAMPA. - 33:(1990), pp. 25-29.
Implantations dentaires en alumine monocrystalline chez l'animal: étude du tissu périmplantaire [Monocrystalline aluminum dental implants in animals: a study of the peri-implant tissue]
GATTI, Antonietta;ZAFFE, Davide;
1990
Abstract
After the extraction of two molars in a dog's jaw, a single crystal alumina screw was implanted. Monthly radiographs were taken and analyzed by means of a video display computer (VDC) to obtain densitometric informations about the interface. After one year implantation, the bone segment containing the prosthesis was fixed in 4\% paraformaldehyde, embedded in methacrylate and sectioned by a microtome saw. The results in light microscopy with ordinary and polarized light, in SEM and X-ray microanalysis, show the presence of a thick connective tissue layer interposed between the screw and the bone. The histological findings confirm the results obtained through the VDC analysis of the radiographic images.
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