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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제10권 제4호
- 발행연도
- 2018.1
- 수록면
- 265 - 270 (6page)
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초록· 키워드
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PURPOSE. The purpose of this in vitro study was to evaluate the accuracy of a new implant impression technique using bite impression coping and a dual arch tray. MATERIALS AND METHODS. Two implant fixtures were placed on maxillary left second premolar and first molar area in dentoform model. The model with two fixtures was used as the reference. The impression was divided into 2 groups, n=10 each. In group 1, heavy/light body silicone impression was made with pick up impression copings and open tray. In group 2, putty/light body silicone impression was made with bite impression copings and dual arch tray. The reference model and the master casts with implant scan bodies were scanned by a laboratory scanner. Surface tessellation language (STL) datasets from test groups was superimposed with STL dataset of reference model using inspection software. The three-dimensional deviation between the reference model and impression models was calculated and illustrated as a color-map. Data was analyzed by independent samples T-test of variance at α=.05. RESULTS. The mean 3D implant deviations of pick up impression group (group 1) and dual arch impression group (group 2) were 0.029 mm and 0.034 mm, respectively. The difference in 3D deviations between groups 1 and 2 was not statistically significant (P=.075). CONCLUSION. Within limitations of this study, the accuracy of implant impression using a bite impression coping and dual arch tray is comparable to that of conventional pick-up impression.
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참고문헌 (32)
참고문헌 신청
Humphries RM / 1990 / The accuracy of implant master casts constructed from transfer impressions / Int J Oral Maxillofac Implants 5:331~336
Sahin S / 2001 / The significance of passive framework fit in implant prosthodontics: current status / Implant Dent 10:85~92
Goodacre CJ / 2003 / Clinical complications with implants and implant prostheses / J Prosthet Dent 90:121~132
Sones AD / 1989 / Complications with osseointegrated implants / J Prosthet Dent 62:581~585
Wee AG / 1999 / Strategies to achieve fit in implant prosthodontics: a review of the literature / Int J Prosthodont 12:167~178
Sahin S / 2001 / The significance of passive framework fit in implant prosthodontics: current status / Implant Dent 10:85~92
Goodacre CJ / 2003 / Clinical complications with implants and implant prostheses / J Prosthet Dent 90:121~132
Sones AD / 1989 / Complications with osseointegrated implants / J Prosthet Dent 62:581~585
Wee AG / 1999 / Strategies to achieve fit in implant prosthodontics: a review of the literature / Int J Prosthodont 12:167~178
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