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KMID : 0362420120500030176
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Journal of Korean Academy of Prosthodontics
2012 Volume.50 No. 3 p.176 ~ p.183
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The success rate of Mg-incorporated oxidized implants in partially edentulous patients: a prospective clinical study
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Choi Su-Jung
Yoo Jung-Ho
Lee Kyu-Bok
Kim Jin-Wook
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Abstract
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Purpose: This study examined the clinical success rate of Mg titanate implants (M Implant system, Shinhung, Korea), which employ a Mg coating method, by evaluating the marginal bone loss and implant stability using radiographs and Osstell??, over a 1 year.
Materials and Methods: The locations of the implants placement were divided into 4 areas; the maxillary and mandibular premolars and molars. In the maxilla, 8 and 9 implants were inserted in the premolar and molar areas, respectively. In the mandible, 11 and 51 implants were inserted in the premolar and molar areas. Marginal bone loss and ISQ of all implants (79) were measured after insertion, mounting the prosthetic appliance, and 1, 3, 6, and 12 months after loading. The marginal bone loss was measured from the radiograph using XCP bite, which was customized, and the implant stability measured using Osstell??. Fisher’s exact test (α=.05) was used to compare the success rates of each region.
Results: The mean marginal bone loss for the upper and lower jaws were 1.537mm and 1.172 mm. The mobility showed a non-significant reduction or increase according with time. The success rates were accounted for 94.12% and 98.39% in the upper and lower jaws; the premolars and molars were accounted for 100% and 96.67%. The two cases of early failure resulted from failure of primary stability during implant insertion. The late failures were not observed for 1 year after adding a loading to the implants.
Conclusion: The Mg titanate implant showed good primary stability and good clinical results in both healing and function.
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KEYWORD
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Mg titanate implant, Marginal bone loss, Implant stability, Implant success rate, Prospective clinical evaluation
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