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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제1권 제2호
- 발행연도
- 2009.1
- 수록면
- 102 - 106 (5page)
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초록· 키워드
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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 polyesther 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 noncoated 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 (18)
참고문헌 신청
Abokowitz S / 1955 / Titanium in industry / Van Nostrand Co Inc
Bickford JH / 1995 / An introduction to the design and behavior of bolted joints / Marcel Dekker : 515 ~ 564
Binon PP / 1994 / The role of screws in implant systems / Int J Oral Maxillofac Implants (supplement) 9 : 8 ~ 63
Cantwell A / 2004 / Preload loss in gold prosthesis-retaining screws as a function of time / Int J Oral Maxillofac Implants 19 : 124 ~ 132
Drago CJ / 2003 / A clinical study of the efficacy of gold-tite square abutment screws in cement-retained implant restorations / Int J Oral Maxillofac Implants 18 : 273 ~ 278
Bickford JH / 1995 / An introduction to the design and behavior of bolted joints / Marcel Dekker : 515 ~ 564
Binon PP / 1994 / The role of screws in implant systems / Int J Oral Maxillofac Implants (supplement) 9 : 8 ~ 63
Cantwell A / 2004 / Preload loss in gold prosthesis-retaining screws as a function of time / Int J Oral Maxillofac Implants 19 : 124 ~ 132
Drago CJ / 2003 / A clinical study of the efficacy of gold-tite square abutment screws in cement-retained implant restorations / Int J Oral Maxillofac Implants 18 : 273 ~ 278
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