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Table 5 The mean, standard deviation (SD) values and results of Kruskal-Wallis and Mann-Whitney U tests for comparison between hard tissue formation scores of different groups, subgroups and subdivisions

From: Evaluation of antibacterial activity of propolis on regenerative potential of necrotic immature permanent teeth in dogs

Time Intra-canal propolis paste Intra-canal TAP paste Positive control Negative control P-value
Propolis plug MTA plug Propolis plug MTA plug
Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD
2 W 0.50B ± 0.23 0.67B ± 0.42 0.60B ± 0.41 0.63B ± 0.28 0.00 ± 0.00 0.68B ± 0.44 .061
1 M 0.67Ba ± 0.52 0.83Ba ± 0.41 0.65Ba ± 0.34 0.77Ba ± 0.40 0.00b ± 0.00 1.00Ba ± 0.00 <.001*
2 M 1.17Ab ± 0.41 1.50Ab ± 0.55 1.30Ab ± 0.60 1.55Ab ± 0.65 0.00c ± 0.00 2.0Aa ± 0.61 <.001*
P-value .040* .037* .042* .038* 1.000 <.001*
  1. *: Significant at P ≤ .05, Different small superscripts in the same row are statistically significantly different. Different capital superscripts in the same column are statistically significantly different. TAP: Triple antibiotic paste, MTA: Mineral trioxide aggregates