Table 1 Clinical and radiographic success rates of ZOE, Vitapex, and MPRCF root canal treatment at 6,12 and 18 months

51

100

51

100^a

47

92.2^a

51

100

51

100^a

45

88.2^a

56

100

45

80.4^ab

40

71.4^ab

53

94.5

34

60.7^ab

30

53.6^ab

53

100

53

100^b

51

96.2^b

53

100

53

100^b

49

92.5^b