In Vitro Comparison of Fracture Resistance of Severely Damaged Primary Anterior Teeth Restored with Different Post and Core Systems

Table 1

FR of the five groups (n = 12) in Newtons (N).

	Mean	Standard deviation	Standard error	95% Confidence interval for mean		Minimum	Maximum
				Lower bound	Upper bound
EverX + fiber post	482.68	80.80	23.32	431.34	534.02	374.69	595.17
Bulk + fiberpost	400.16	82.76	23.89	347.57	452.74	253.44	539.60
EverX	398.21	95.02	27.43	337.83	458.59	232.94	558.97
Bulk fill	357.87	76.76	22.16	309.10	406.65	226.37	495.65
Z250	316.93	57.31	16.54	280.52	353.35	245.84	416.93
Total	391.17	94.68	12.22	366.71	415.63	226.37	595.17