Table 2 Inter and intragroup comparisons of bacterial inhibition zones (mm).

Interval	Measurement	Nanogold	AHPlus Sealer	AH Plus Sealer & NanoCare	Test statistic	p-value
24 h	*Mean* ± SD	15.00 ± 1.00^Ab	13.00 ± 1.00^Aa	16.00 ± 1.00^Aa	5.63	0.060
24 h	*Median (IQR)*	15.00 (1.00)^Ab	13.00 (1.00)^Aa	16.00 (1.00)^Aa	5.63	0.060
48 h	*Mean* ± SD	20.00 ± 1.00^Aa	15.00 ± 1.00^Ba	16.00 ± 1.00^ABa	6.06	0.048*
48 h	*Median (IQR)*	20.00 (1.00)^Aa	15.00 (1.00)^Ba	16.00 (1.00)^ABa	6.06	0.048*
72 h	*Mean* ± SD	18.00 ± 1.00^Aab	15.00 ± 1.00^ABa	13.00 ± 1.00^Ba	6.88	0.032*
72 h	*Median (IQR)*	18.00 (1.00)^Aab	15.00 (1.00)^ABa	13.00 (1.00)^Ba	6.88	0.032*
Test statistic		6.88	4.49	5.54
p-value		0.032*	0.106	0.063

SD Standard deviation, IQR Interquartile range, values with different upper and lowercase superscript letters within the same horizontal row and vertical column, respectively, are significantly different, *Significant (p < 0.05).

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