다양한 양극산화막 처리방법이 임플란트 골유착에 미치는 영향
Effects of different oxidized surfaces of implant on osseointegration: resonance frequency and histomorphometric analysis study in mini-pigs
권경환, 민승기, 성대혁, 최재영, 최성림, 차수련, 오희균,
소속 상세정보
권경환 ( Kwon Kyeng-Hwan ) - 원광대학교 치과대학 구강악안면외과학교실
민승기 ( Min Seung-Ki ) - 원광대학교 치과대학 구강악안면외과학교실
성대혁 ( Sung Dae-Hyuk ) - 원광대학교 치과대학 구강악안면외과학교실
최재영 ( Choi Jae-Young ) - 원광대학교 치과대학 구강악안면외과학교실
최성림 ( Choi Sung-Rym ) - 원광대학교 치과대학 구강악안면외과학교실
차수련 ( Cha Su-Ryeon ) - 원광대학교 치과대학 구강악안면외과학교실
오희균 ( Oh Hee-Kyun ) - 전남대학교 치과대학 구강악안면외과학교실
KMID : 0360120070290050383
Abstract
The aim of the present study is to investigate the effect of anodized surface of osseointegration implants by using of resonance frequency analysis (RFA) and histomorphometric analysis. A total of 96 screwshaped implants were devided into 4 groups. Seventy-two implants were prepared by electrochemical oxidation with 3 different ways; Group 1 (n=24) were prepared at galvanostatic mode in 0.25M sulfuric acid and phosphoric acid, Group 2 (n=24) were prepared at galvanostatic mode in calcium glycerophosphate and calcium acetate, and Group 3 (n=24) were prepared at galvanostatic mode in 0.25M sulfuric acid and phosphoric acid followed by Calcium metaphosphate(CMP) coating. Control group (n=24) were the RBM surfaced implants. The implants were placed in the mandibles of 12 mini pigs. Bone tissue responses were evaluated by resonance frequency analysis(RFA) and histomorphometric analysis that were undertaken at 2, 4 and 6weeks after implant placement. The following result were obtained. 1. Twenty-two of 96 implants (4 in control group, 5 in group 1, 7 in group 2, and 6 in group 3) were failed due to faliure of osseoitegration. The failure rate of osseointegration was 22.9%. 2. The mean values of RFA in control, group 2 and groups 3 showed the similar values, but there was no significant difference among groups. 3. Histomorphometric evaluation demonstrated significantly higher bone-to-implant contact ratio in group 2 at 3 and 4 weeks after implant placement than other groups (p<0.05), but there was no significant difference among groups at 6weeks after implant placement.
키워드
Anodized surface;Resonance frequency analysis;RFA;Calcium metaphosphate;CMP;Resorbable blast media;RBM
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