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Table 1 Median (Means ± Standard deviation) of microhardness in all experimental groups

From: Assessment of sodium thiosulfate neutralizing effect on micro-hardness of dentin treated with sodium hypochlorite

Group

Median (mean ± SD)

0.9% NaCl for 15 min (control group) + 1-week incubation period

59.44 (59.40 ± 6.81)a

1. 2.5% NaOCL for 15 min + without incubation period

38.87 (39.44 ± 4.37)bc

2. 2.5% NaOCL for 15 min + 1-week incubation period

26.80 (28.02 ± 7.22)d

3. 2.5% NaOCL for 15 min irrigated with NaCl followed by 5% TS for 10 min + 1-week incubation period

33.12 (31.41 ± 4.80)cd

4. 0.9% NaCl for 15 min followed by 5% TS for 10 min + 1-week incubation period

41.83 (40.45 ± 6.70)b

  1. The same superscript letters in the column are not statistically significant (p > 0.05)