The Journal of Advanced Prosthodontics

  • 제1권2호
  • /
  • Pages.102-106
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  • 2009
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  • 2005-7806(pISSN)
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  • 2005-7814(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
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Abrasion of abutment screw coated with TiN

  • Jung, Seok-Won (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Son, Mee-Kyoung (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Chung, Chae-Heon (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Kim, Hee-Jung (Department of Prosthodontics, School of Dentistry, Chosun University)
  • 발행 : 2009.07.31
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초록

STATEMENT OF PROBLEM. Screw loosening has been a common complication and still reported frequently. PURPOSE. The purpose of this study was to evaluate abrasion of the implant fixture and TiN coated abutment screw after repeated delivery and removal with universal measuring microscope. MATERIAL AND METHODS. Implant systems used for this study were Osstem and 3i. Seven pairs of implant fixtures, abutments and abutment screws for each system were selected and all the fixtures were perpendicularly mounted in liquid unsaturated poly-esther with dental surveyor. After 20 times of repeated closing and opening test, the evaluation for the change of inner surface of implant and TiN-coated abutment screw, and weight loss were measured. Mann-Whitney test with SPSS statistical software for Window was applied to analyze the measurement of weight loss. RESULTS. TiN-coated abutment screws of Osstem and 3i showed lesser loss of weight than non-coated those of Osstem and 3i (P < .05, Mann-Whitney test). CONCLUSION. Conclusively, TiN coating of abutment screw showed better resistance to abrasion than titanium abutment screw. It was concluded that TiN coating of abutment screw would reduce the loss of preload with good abrasion resistance and low coefficient of friction, and help to maintain screw joint stability.

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참고문헌

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피인용 문헌

  1. Dental implants: An overview vol.44, pp.7, 2009, https://doi.org/10.12968/denu.2017.44.7.596
  2. Effect of Coated Surfaces influencing Screw Loosening in Implants: A Systematic Review and Meta-analysis vol.8, pp.6, 2009, https://doi.org/10.5005/jp-journals-10015-1493
  3. Sandblasted and Acid Etched Titanium Dental Implant Surfaces Systematic Review and Confocal Microscopy Evaluation vol.12, pp.11, 2009, https://doi.org/10.3390/ma12111763