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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제7권 제3호
- 발행연도
- 2015.1
- 수록면
- 233 - 239 (7page)
이용수
초록· 키워드
오류제보하기
PURPOSE. This study aimed to evaluate the fit of zirconia ceramics before and after veneering, using 3 different veneering processes (layering, press-over, and CAD-on techniques). MATERIALS AND METHODS. Thirty standardized zirconia CAD/CAM frameworks were constructed and divided into three groups of 10 each. The first group was veneered using the traditional layering technique. Press-over and CAD-on techniques were used to veneer second and third groups. The marginal gap of specimens was measured before and after veneering process at 18 sites on the master die using a digital microscope. Paired t-test was used to evaluate mean marginal gap changes. One-way ANOVA and post hoc tests were also employed for comparison among 3 groups (α=.05). RESULTS. Marginal gap of 3 groups was increased after porcelain veneering. The mean marginal gap values after veneering in the layering group (63.06 μm) was higher than press-over (50.64 μm) and CAD-on (51.50 μm) veneered groups (P<.001). CONCLUSION. Three veneering methods altered the marginal fit of zirconia copings. Conventional layering technique increased the marginal gap of zirconia framework more than pressing and CAD on techniques. All ceramic crowns made through three different veneering methods revealed clinically acceptable marginal fit.
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참고문헌 (47)
참고문헌 신청
박현순 / 2010 / Influence of porcelain veneering on the marginal fit of Digident and Lava CAD/CAM zirconia ceramic crowns / The Journal of Advanced of Prosthodontics 2(2):33~38
Fahmy NZ / 2011 / Influence of veneering materials on the marginal fit and fracture resistance of an alumina core system / J Prosthodont 20:45~51
Kohorst P / 2010 / Influence of the veneering process on the marginal fit of zirconia fixed dental prostheses / J Oral Rehabil 37:283~291
Sulaiman F / 1997 / A comparison of the marginal fit of In-Ceram, IPS Empress, and Procera crowns / Int J Prosthodont 10:478~484
Cho SH / 2012 / The effect of multiple firings on the marginal integrity of pressable ceramic single crowns / J Prosthet Dent 107:17~23
Fahmy NZ / 2011 / Influence of veneering materials on the marginal fit and fracture resistance of an alumina core system / J Prosthodont 20:45~51
Kohorst P / 2010 / Influence of the veneering process on the marginal fit of zirconia fixed dental prostheses / J Oral Rehabil 37:283~291
Sulaiman F / 1997 / A comparison of the marginal fit of In-Ceram, IPS Empress, and Procera crowns / Int J Prosthodont 10:478~484
Cho SH / 2012 / The effect of multiple firings on the marginal integrity of pressable ceramic single crowns / J Prosthet Dent 107:17~23
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