Table 1.

Percentage (Mean ± S.D) of remaining root filling material in each group at different root-thirds.

GROUP	CORONAL	MIDDLE	APICAL
I (Gutta-percha/ZOE)
Subgroup A	22.34 ± 0.72A,α	33.9 ± 0.77A,β	53.92 ± 0.98A,χ
Subgroup B	19.21 ± 1.1B,  α	18.62 ± 0.93B,α	22.81 ± 2.68B,α
Subgroup C	12.71 ± 1.5C,α	13.93 ± 0.94C,α	14.52 ± 0.92C,α
II (Gutta-percha/AH Plus)
Subgroup A	42.57 ± 1.1D,α	59.06 ± 0.98D,β	65.50 ± 1.17D,χ
Subgroup B	30.88 ± 1.02E,α	24.40 ± 0.92E,β	37.8 ± 1.29E,χ
Subgroup C	21.80 ± 1.21A,α	20.21 ± 1.3F,α	18.58 ± 0.98B,β

Mean values that share a superscript letter were not significantly different at the 5% level within the same root third (ANOVA, Bonferroni; P > 0.05). Between the root-thirds, groups that share the same superscript symbol were not significantly different from each other (P > 0.05).