Reparative dentin formation as a possible factor influencing the penetrability of dentin in human teeth with apical periodontitis: an ex vivo study

Table 2 Distribution of the reparative dentin in the infected and healthy root canals

Groups	Region	Number of sections containing reparative dentin/ Sum	Frequency (%)	P
Infected	Coronal	17/20^#	85.00	P < 0.001*
	Middle	17/24	70.83	P = 0.042*
	Apical	19/24	79.17	P = 0.035*
Healthy	Coronal	2/24	8.33
	Middle	10/24	41.67
	Apical	12/24	50.00

^#There are four cases with decayed coronal section. *The significance level is 0.05

ISSN: 1472-6831