Comparison of Clinical Initial Stability of Hydroxy-apatite Coated Implant and Sandblasted, Large-grit and Acid-etched Implant

수산화인회석 코팅 임플란트와 Sandblasted, Large-grit and Acid-etched Implant의 임상적 초기 안정성 비교

  • Lim, Hyoung-Sup (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Kim, Su-Gwan (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Oh, Ji-Su (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University)
  • 임형섭 (조선대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 김수관 (조선대학교 치의학전문대학원 구강악안면외과학교실) ;
  • 오지수 (조선대학교 치의학전문대학원 구강악안면외과학교실)
  • Received : 2011.12.02
  • Accepted : 2012.03.20
  • Published : 2012.03.30

Abstract

Purpose: This study attempts to compare the stability of hydroxy-apatite coating implant with that of sandblasted, large-grit and acid-etched surface implant at an early state of installation. Methods: 35 implants were installed in 18 patients, who had visited hospital for implant installation. The early stability at operation, 6 weeks and 12 weeks after operation using Osstell$^{TM}$ mentor (Integration Diagnostics, Savedalen, Sweden) and Periotest$^{(R)}$ (Siemens AG, Benssheim, Germany) were measured, and subsequently analyzed statistically. Results: OsstellTM mentor value of hydroxy-apatite coated implant (HAPTITE) was measured as $70.14{\pm}9.07$ at the stage of installation, $76.98{\pm}5.25$ at 6 weeks and $80.28{\pm}4.23$ at 12 weeks after installation. A statistically significant increase in measurement value was observed after 6 weeks and 12 weeks than when implants were placed. In case of IMPLANTIUM (DENTIUM Co. Ltd., Seoul, Korea), the measurement value was $74.68{\pm}7.42$ at installation, $79.03{\pm}4.39$ at 6 weeks and $80.59{\pm}3.59$ at 12 weeks after installation. In addition, a statistically significant increase in the value was observed when comparative analysis of the value at after installation and 12 weeks after installation was carried out. However, no significant difference between HAPTITE and IMPLANTIUM was observed. The average measurement value of periotest$^{(R)}$ was $-1.94{\pm}3.90$ at installation of HAPTITE, $-4.03{\pm}1.48$ at 6 weeks and $-5.00{\pm}1.71$ at 12 weeks after installation. Moreover, whilst comparing the value at after installation and 12 weeks after installation, statistically significant decrease in the value was observed. In case of IMPLANTIUM, the average measurement value was measured as $-4.25{\pm}1.76$ at installation, $-4.76{\pm}0.97$ at 6 weeks and $-5.18{\pm}0.91$ at 12 weeks after installation and no statistically significant difference was observed. Furthermore, no statistically significant difference was observed between HAPTITE and IMPLANTIUM. Conclusion: In this study, both the implants demonstrated favorable early stability at the time of measurement using Osstell$^{TM}$ mentor and Periotest$^{(R)}$. Moreover, based on the observed results, both HAPTITE and IMPLANTIUM are considered as potent to exhibit clinically stable and prognostic results.

Keywords

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