PRIMARY STABILITY OF IMPLANTS IN ILIUM OF CADAVER BY THE METHODS OF RECIPIENT SITE PREPARATION

사체의 장골에서 수용부 형성방법에 따른 임플란트 일차 안정성

  • Sim, Jung-Woo (Department of Oral & Maxillofacial Surgery, School of Dentistry, Dental Science Research Institute, Chonnam National University, 2nd stage of brain Korea 21) ;
  • Cho, Jin-Yong (Department of Oral & Maxillofacial Surgery, School of Dentistry, Dental Science Research Institute, Chonnam National University, 2nd stage of brain Korea 21) ;
  • Kook, Min-Suk (Department of Oral & Maxillofacial Surgery, School of Dentistry, Dental Science Research Institute, Chonnam National University, 2nd stage of brain Korea 21) ;
  • Park, Hong-Ju (Department of Oral & Maxillofacial Surgery, School of Dentistry, Dental Science Research Institute, Chonnam National University, 2nd stage of brain Korea 21) ;
  • Oh, Hee-Kyun (Department of Oral & Maxillofacial Surgery, School of Dentistry, Dental Science Research Institute, Chonnam National University, 2nd stage of brain Korea 21)
  • 심정우 (전남대학교 치의학전문대학원 구강악안면외과학교실, 전남대학교 치의학연구소, 2단계 BK21) ;
  • 조진용 (전남대학교 치의학전문대학원 구강악안면외과학교실, 전남대학교 치의학연구소, 2단계 BK21) ;
  • 국민석 (전남대학교 치의학전문대학원 구강악안면외과학교실, 전남대학교 치의학연구소, 2단계 BK21) ;
  • 박홍주 (전남대학교 치의학전문대학원 구강악안면외과학교실, 전남대학교 치의학연구소, 2단계 BK21) ;
  • 오희균 (전남대학교 치의학전문대학원 구강악안면외과학교실, 전남대학교 치의학연구소, 2단계 BK21)
  • Published : 2008.04.30

Abstract

Purpose: This study was performed to evaluate the effect of the implant recipient site preparation methods on primary stability of implants with the instruments of $Osstell^{TM}$ and $Periotest^{(R)}$ in the iliac bone of cadaver. Methods and materials: The 8 iliac bones in 4 cadavers and implants treated with resorbable blasting media (RBM) were used. $Periotest^{(R)}$ (Simens AG, Germany) and $Osstell^{TM}$ (Model 6 Resonance Frequency Analyser: Integration Diagnostics Ltd., Sweden) were used to measure primary stability of implants. Implants were inserted into the iliac crest of the cadaver. In control group, the recipient site was prepared according to the manufacturer's recommendation: 1.8 mm guide drill, 2.0 mm initial drill, 2.7 mm pilot drill, 2.7 mm twist drill, 3.0 mm twist drill, 3.3 mm pilot drill, 3.3 mm twist drill, and 3.3 mm countersink drill as well as tapping drill were used in order. In the group 1, implant recipient sites were prepared by sequentially drilling from 1.8 mm guide drill to 3.0 mm twist drill and then inserted implants without countersinking and tapping. In the group 2, implant recipient sites were prepared to 3.0 mm twist drill and countersink drill and then inserted implants without tapping. In the group 3, the sites were prepared to 3.0 mm twist drill and countersink drill as well as tapping drill. In the group 4, the sites were prepared to 3.3 mm twist drill. In the group 5, the sites were prepared to 3.3 mm twist drill and countersink drill. A total of 60 implants were placed (n=10). The stability was measured using $Osstell^{TM}$ and $Periotest^{(R)}$ mesiodistally and buccolingually. To compare the mean stability of each group statistically, One-way ANOVA was used and correlation of instrument were analyzed using SPSS 12.0. The results obtained were as follows; 1. The stability of group 1 measured using $Osstell^{TM}$ and $Periotest^{(R)}$ buccolingually showed the highest, and there are significant difference statistically between control group and experimental group 1,2,4 in each instruments respectively (p<0.05). 2. The stability of group 1 measured using $Osstell^{TM}$ and $Periotest^{(R)}$ mesiodistally showed the highest. There are significant difference statistically between control group and all experimental groups in $Osstell^{TM}$, and between control group and experimental group 1,2,3,4 (p<0.05). 3. There are high correlation between the measurements of $Osstell^{TM}$ and $Periotest^{(R)}$ (p<0.05). Conclusion: These results indicate that the primary stability of implant can be obtained by the recipient sites preparation with smaller diameter drill than that of implant or minimal drilling.

Keywords

References

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