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Volume 6 , Issue 3
Fall 1991

Pages 285-293

Tissue Integration of Al2O3-Ceramic Dental Implants: An Experimental Study in Monkeys

Lars Zetterqvist, DDS/Göran Anneroth, DSS, PhD/Åke Nordenram, DSS, PhD

PMID: 1813397

The effect of two different treatment modalities on the tissue integration of Frialit implants was compared in an experimental study in 10 monkeys. The maxillary central incisors were extracted. In one extraction site, chosen by lot, a Frialit implant was immediately inserted, allowing the implant to penetrate the oral mucosa. In the contralateral extraction site, a modified Frialit implant was placed and allowed to heal under a mucoperiosteal flap. None of the implants used in the study was loaded during the observation periods. After experimental periods of 1, 3, 6, and 8 months, the implants were evaluated and monkeys were sacrificed. In situ and histological evaluation showed no significant difference between the two treatment modalities under nonloading conditions. In both cases the healing around the implants was uneventful and good tissue integration was achieved. (INT ORAL MAXILLOFAC IMPLANTS 1991;6:285-293.)

Key words: ceramic implants, Frialit implants, histology, microradiography, monkey, oral surgery, osseointegration

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