Preparation, Physical-Chemical Characterization, and Cytocompatibility of Polymeric Calcium Phosphate Cements

Table 3

Mean compressive strength and standard deviation of zinc polycarboxylate cement and the three polymeric calcium phosphate cements (CPCs) in MPa.

Cement types		1 hour	24 hours	1 week	4 weeks	8 weeks	𝐹-value
Control zinc polycarboxylate		46.85 ± 3.51	50.83 ± 4.50	50.87 ± 2.65	51.88 ± 2.80	52.60 ± 2.95	4.33*
Calcium phosphate cements (CPCs)	Type I	40.42 ± 3.33	44.87 ± 3.25	49.80 ± 2.75	48.74 ± 2.80	46.91 ± 3.65	3.90*
	Type II	66.86 ± 1.38	67.13 ± 1.30	67.15 ± 1.38	67.20 ± 1.30	67.12 ± 1.22	1.74*
	Type III	71.68 ± 3.15	75.12 ± 3.55	75.56 ± 2.75	73.62 ± 2.95	73.59 ± 3.10	4.09*
	LSD 5%	3.81*	4.22*	3.19*	3.30*	3.32*

*Significant at 5% level.