Table 5.

Distribution and percentage of fractures considering arch and root canal third.

Arch	Root canal third			Total (n./%)	p-value*
	Cervical (n./%)	Middle (n./%)	Apical (n./%)
Mandibular	0/0%	8/29.60%	19/70.40%	27/100%	0.006
Maxillary	0/0%	5/23.80%	16/76.20%	21/100%	0.002
Total	0/0%	13/27.10%	35/72.90%	48/100%	0.000
p-value*	–	0.434	0.633	0.307	–

*Value obtained by means of Fisher’s Exact Test (p < 0.05).