Fracture Toughness of Veneering Ceramics for Fused to Metal (PFM) and Zirconia Dental Restorative Materials.
Fracture Toughness of Veneering Ceramics for Fused to Metal (PFM) and Zirconia Dental Restorative Materials.
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DOI:
10.6028/jres.115.024
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发表时间:
2010-09
影响因子:
1.5
通讯作者:
Sundar V
中科院分区:
文献类型:
--
作者:
Quinn JB;Quinn GD;Sundar V
Veneering ceramics designed to be used with modern zirconia framework restorations have been reported to fracture occasionally in vivo. The fracture toughness of such veneering ceramics was measured and compared to that of conventional feldspathic porcelain veneering ceramics for metal framework restorations. The fracture toughness of the leucite free veneer was measured to be 0.73 MPa m ± 0.02 MPa m, which is less than that for the porcelain fused to metal (PFM) veneering ceramic: 1.10 MPa ± 0.2 MPa. (Uncertainties are one standard deviation unless otherwise noted.) The surface crack in flexure (SCF) method was suitable for both materials, but precrack identification was difficult for the leucite containing feldspathic porcelain PFM veneer.
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影响因子:
5
作者:
Quinn, Janet B.;Sundar, Veeraraghavan;Quinn, George D.
通讯作者:
Quinn, George D.
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4.6
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Wood, KC;Berzins, DW;Nagy, WW
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Nagy, WW
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5
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Quinn, JB;Sundar, V;Lloyd, IK
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Lloyd, IK
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Xu, K
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通讯作者:
Nilner, K