Table 2.

Frequency of complications in the two groups

	specialists n = 401	residents n = 458	p
Total Complications	32(8.0%)	72(15.7%)	0.001
Flare up	8(2.0%)	22(4.8%)	0.025
Ledge	16(4.0%)	37(8.1%)	0.013
Root canal transportation	1(0.2%)	5(1.1%)	0.139
Root perforation	1(0.2%)	4(0.9%)	0.230
Missed canal	2(0.5%)	5(1.1%)	0.335
Instrument separation	4(1.0%)	6(1.3%)	0.670