Topical application of statin affects bone healing around implants

研究成果: Contribution to journalArticle査読

45 被引用数 (Scopus)

抄録

Objectives: 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statins) are widely used for hyperlipidemia. Recent studies demonstrate that statins stimulate bone morphogenetic protein-2 expression and lead to bone formation. The aim of this study was to evaluate whether the topical application of statin enhances the osteogenesis around a titanium implant. Materials and methods: Ten-week-old female rats received pure titanium rods in both tibiae with or without fluvastatin. Propylene glycol alginate (PGA) was used as a carrier. The rats were divided into five groups: implant-only group, implant with PGA group, low-dose group [implant+PGA containing 3 μg of fluvastatin (FS)], medium-dose group (15 μg of FS), and high-dose group (75 μg of FS). The animals were sacrificed at 1 and 2 weeks after implantation. Peri-implant bone formation was assessed by histomorphometric procedures, i.e., measuring the bone-implant contact (BIC) and peri-implant bone volume (BV). A mechanical push-out test was also performed to evaluate the implant fixation strength. Statistical differences among the groups were determined by ANOVA and P<0.05 was considered significant. Results: At week 1, there was no significant difference in BIC among the groups, however, BV and the push-out strength were significantly higher in the high-dose group than in the implant-only group. At week 2, BIC and BV had significantly increased in the high-dose group in comparison with the non-statin groups. The fluvastatin-treatment group showed a significant increase in push-out strength compared with the non-statin groups. Conclusion: Our histomorphometrical and mechanical evaluations revealed the positive effect of topically applied fluvastatin on the bone around the implant.

本文言語英語
ページ(範囲)600-605
ページ数6
ジャーナルClinical Oral Implants Research
19
6
DOI
出版ステータス出版済み - 6 1 2008

All Science Journal Classification (ASJC) codes

  • 口腔外科

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