Prospective Study
Copyright ©The Author(s) 2018.
World J Clin Cases. Mar 16, 2018; 6(3): 27-34
Published online Mar 16, 2018. doi: 10.12998/wjcc.v6.i3.27
Table 4 Loss of composite crown retention on teeth treated with polyethylene fibre posts (n = 31) and zirconia-rich glass fibre posts (n = 31) and direct resin composite restorations n (%)
Time (mo)6122436
MaterialsPolyethyleneZirconiaPolyethyleneZirconiaPolyethyleneZirconiaPolyethyleneZirconia
Loss of retentionA29 (93.5)30 (96.8)27 (87.1)28 (90.3)27 (87.1)27 (87.1)27 (87.1)27 (87.1)
B2 (6.5)1 (3.2)4 (12.9)3 (9.7)4 (12.9)4 (12.9)4 (12.9)4 (12.9)
C0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)
NSNSNSNS