pH and Antimicrobial Activity of Portland Cement Associated with Different Radiopacifying Agents : Table 4

Table 4: Means and standard deviations of pH values for the different materials and periods.


	PC	PC + OBi	PC + OZr	PC + CT	ZOE

12 h	^A	^A	^A	^A	^B
24 h	^A	^A	^A	^A	^B
48 h	^A	^A	^A	^A	^B
72 h	^A	^A	^A	^A	^B

Same letters within the same period of time indicate statistically similar results ().
PC: Portland cement, OBi: bismuth oxide, OZr: zirconium oxide, CT: calcium tungstate, ZOE: zinc oxide and eugenol cement.