Table 12. Intragroup comparison of microhardness in Group 2 (Biodentine) after usage of different solvents.

HF: Hydroflouric acid; ANOVA: analysis of variance

Group 2   (Biodentine)	U-Upper Mean (SD)	U-Lower Mean (SD)	L-Upper Mean (SD)	L – Lower Mean (SD)
Subgroup A (Saline)	74.21	74.31 (0.42)	74.34 (0.47)	74.4 (0.36)
Subgroup B (Sodium hypochlorite)	64.04	67.12 (0.75)	67.53 (0.66)	67.98 (0.63)
Subgroup C (Citric acid)	62.02 (0.48)	64.98 (0.5)	65.08 (0.47)	64.98 (0.63)
Subgroup D (HF acid)	74.4 (0.36)	58.44 (1.04)	62.05 (0.69)	61.85 (0.71)
One-way ANOVA F test value	F = 1556.0	F = 1087.0	F =1180.0	F = 1185.0
p value (overall), Significance	p<0.001**	p<0.001**	p<0.001**	p<0.001**
Subgroup A vs Subgroup B^	p<0.001**	p<0.001**	p<0.001**	p<0.001**
Subgroup A vs Subgroup C^	p<0.001**	p<0.001**	p<0.001**	p<0.001**
Subgroup A vs Subgroup D^	p<0.001**	p<0.001**	p<0.001**	p<0.001**
Subgroup B vs Subgroup C^	p<0.001**	p<0.001**	p<0.001**	p<0.001**
Subgroup B vs Subgroup D^	p<0.001**	p<0.001**	p<0.001**	p<0.001**
Subgroup C vs Subgroup D^	p<0.001**	p<0.001**	p<0.001**	p<0.001**