Endodontic Procedural Errors: Frequency, Type of Error, and the Most Frequently Treated Tooth

Table 2

Distribution of errors in right and left maxilla and mandible.

	Normal	Overfill	Underfill	Instrument separation	Apical transportation	Total errors
Maxillary right	70.2%	20.6%	8.5%	0.4%	0.2%	29.8%
Maxillary left	70.9%	20.4%	8.1%	0.4%	0.2%	29.1%
Mandibular right	61.7%	26.3%	9.3%	2.0%	0.7%	38.3%
Mandibular left	64.8%	24.1%	9.8%	1.0%	0.5%	35.2%