Table 2.

Apical periodontitis among maxillary teeth with missed treated canals.

Teeth	Canal	Radiolucency
		Yes	No
First premolars (N = 3)	Buccal	1 (33.3)	0 (0.0)
	Palatal	2 (66.7)	0 (0.0)
Second premolars (N = 1)	Buccal	0 (0.0)	0 (0.0)
	Palatal	0 (0.0)	1 (100.0)
First molars (N = 13)	Mesiobuccal	8 (61.5)	2 (15.4)
	Distobuccal	3 (23.1)	0 (0.0)
	Palatal	0 (0.0)	0 (0.0)
Second molars (N = 2)	Mesiobuccal	1 (50.0)	0 (0.0)
	Distobuccal	1 (50.0)	0 (0.0)
	Palatal	0 (0.0)	0 (0.0)