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J Korean Assoc Maxillofac Plast Reconstr Surg. 2010 Mar;32(2):107-111. Korean. Original Article.
Bae SB , Lee SH , Song SI .
Department of Dentistry, School of Medicine, Ajou University, Korea. ssi1219@ajou.ac.kr
Abstract

PURPOSE: The aim of this study is to compare the stability between Mg-incorporated implant, TiUnite and Machined implant. MATERIAL AND METHODS: Premolars of 3 Mini pigs (24 months) were extracted. After 2 months later, total 27 fixtures of implants (9 of each design : Machined/ TiUnite/ Mg-incorporated) were inserted into the mandible of 3 mini-pig. Implant stability was estimated by RFA in installation to 2, 4 & 6 weeks. Statistical analysis of RFA values was performed with time and between groups using repeated measure ANOVA and turkey's multiple comparison test. RESULTS: In analyzing the mean value for the observation periods, three types of implants yielded a slight decrease in RFA mean value after 2 week, followed by increase at 4-6 weeks. Mg incorporated oxidized implants demonstrated significantly higher RFA mean values at 6 weeks comparing other groups. The difference of RFA value with time and between groups was statistically significant. CONCLUSION: We concluded that Mg implants may reduce failure rates of clinical implants In the early period of bone healing and Mg implants may shorten the bone healing time from surgery to functional loading.

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