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KMID : 1036420120050020048
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대한치의학회 영문학회지
2012 Volume.5 No. 2 p.48 ~ p.53
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Comparative Analysis between Zirconia Implant and Titanium Implant
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Hwang Ho-Jeong
Kim Seong-Kyun
Lee Joo-Hee
Heo Seong-Joo
Koak Jai-Young
Yoo Soo-Yeon
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Abstract
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Various ceramic implant systems made of yttria-stabilized tetragonal zirconia polycystal (Y-TZP) have become commercially available in recent years. A search of the literature was performed to assess the clinical success of dental Y-TZP implants and whether the osseointegration of Y-TZP is comparable to that of titanium, the standard implant material. No controlled clinical studies in humans regarding clinical outcomes or osseointegration could be identified. Clinical data were restricted to case studies and case series. Only 7 animal studies were found. Osseointegration was evaluated at 4 weeks to 24 months after placement in different animal models, sites and under different loading conditions. The mean bone-implant contact percentage was above 60% in almost all experimental groups. In studies that used titanium implants as a control, Y-TZP implants were comparable to or even better than titanium implants. Surface modifications may further improve initial bone healing and resistance to removal torque. Y-TZP implants may have the potential to become an alternative to titanium implants but cannot currently be recommended for routine clinical use, as no long-term clinical data are available.
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KEYWORD
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Comparison, Implant, Titanium, Zirconia
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