To evaluate the pullout resistance of CAD/CAM implant‐supported crowns cemented with provisional and definitive cements on Ti‐base implant abutments. Sixty crowns were milled for use in Ti‐base implant abutments and divided (n = 15/group) accord...
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https://www.riss.kr/link?id=O119719640
2019년
-
1059-941X
1532-849X
SCOPUS;SCIE
학술저널
e552-e556 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
To evaluate the pullout resistance of CAD/CAM implant‐supported crowns cemented with provisional and definitive cements on Ti‐base implant abutments. Sixty crowns were milled for use in Ti‐base implant abutments and divided (n = 15/group) accord...
To evaluate the pullout resistance of CAD/CAM implant‐supported crowns cemented with provisional and definitive cements on Ti‐base implant abutments.
Sixty crowns were milled for use in Ti‐base implant abutments and divided (n = 15/group) according to material, as follows: (a) [Pr] Temporary acrylic resin; (b) [Co‐Cr] Cobalt‐Chromium alloy; (c) [Zr] polycrystalline zirconia; and (d) [Ti] titanium. The cementation was performed with RelyX Temp NE (RxT) cement or RelyX U200 self‐etching resin cement, under a 50 N (5 kg) load for 10 minutes. Twenty‐four hours after cementation, the crowns were subjected to the pullout test in a universal test machine, at a 1.0 mm/min crosshead speed. The tests were performed first without cement to evaluate frictional resistance (Baseline), then with provisional cement (RelyX Temp NE without cement again (Baseline After RxT), and finally with resin cement (U200). The results were analyzed by ANOVA and Tukey test (p < 0.05).
Data evaluation as a function of cement type demonstrated the superiority of resin‐based cements relative to provisional and baseline groups (p < 0.01). While Co‐Cr crowns presented the highest pullout strength values, Pr showed the lowest values (data collapsed over cement) (p < 0.001). Retentiveness data as a function of both factors demonstrated similar pullout resistance between groups without cement (p < 0.001), except Zr baseline. Also, Co‐Cr presented higher pullout strength compared to other materials.
Self‐adhesive resin cement exhibited superior retention compared to temporary cement, regardless of crown material. Co‐Cr and titanium presented higher levels of retention to Ti‐base abutment after being cemented.
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