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논문KCI 등재

치과용 임플란트 식립에 사용되는 핸드피스의 윤활제가 생체내 미치는 영향

Influence of Rotary Instrument Mineral Oil Lubricant on the Handpiece for Dental Implant: In Vitro and In Vivo Study

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Purpose: The purpose of this study was to evaluate the effect of oil lubricant for dental handpiece and to investigate the relationship to the prognosis of dental implants. Materials and Methods: An experiment was conducted on the residual amount of lubricant in the handpiece and the amount of lubricant that will remain in the fixture after drilling. Based on the data, biocompatibility was assessed through the assessment of cytotoxicity with L929 cells and 33 SD rats. This experiment was conducted through an 8 mm-long, 3.5 mm-diameter fixture(Osstem implant Co., Ltd., Korea) and lubricant(KaVo Dental GmbH., Germany) for handpiece. Results: The amount of lubricants in the handpiece decreased with the removal phase, but some of them could be confirmed to remain. In the cytotoxicity assessment, the survival rate was lower over 100 ppm. In experiments with SD rat, there was no significant difference among groups. Conclusion: The surface of the dental implants could be contaminated from some leftover lubricants in the handpiece. Although the lubricant is the biocompatible in cytotoxicity test and SD rat test, it does not mean it has no effect on osseointegration.

Abstract

Purpose: The purpose of this study was to evaluate the effect of oil lubricant for dental handpiece and to investigate the relationship to the prognosis of dental implants. Materials and Methods: An experiment was conducted on the residual amount of lubricant in the handpiece and the amount of lubricant that will remain in the fixture after drilling. Based on the data, biocompatibility was assessed through the assessment of cytotoxicity with L929 cells and 33 SD rats. This experiment was conducted through an 8 mm-long, 3.5 mm-diameter fixture(Osstem implant Co., Ltd., Korea) and lubricant(KaVo Dental GmbH., Germany) for handpiece. Results: The amount of lubricants in the handpiece decreased with the removal phase, but some of them could be confirmed to remain. In the cytotoxicity assessment, the survival rate was lower over 100 ppm. In experiments with SD rat, there was no significant difference among groups. Conclusion: The surface of the dental implants could be contaminated from some leftover lubricants in the handpiece. Although the lubricant is the biocompatible in cytotoxicity test and SD rat test, it does not mean it has no effect on osseointegration.

참고문헌 (35)

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