[Table/Fig-7]:

Data regarding reason for file separation and management of file separation.

		Frequency	Percent
What may be the common reason for file separation in the canal	Excessive pressure on file	507	79.5
	Incorrect insertion angle of the file	198	31.0
	Non constant speed of rotation	52	8.2
	High R P M	47	7.4
	Infrequent irrigation	328	51.4
	Calcified canal	135	21.2
	Over usage	373	58.5
	Inappropriate torque settings	265	41.5
	Type of file	23	3.6
	Complex root canal anatomy	180	28.2
	Incorrect file sequence	346	54.2
	File design	1	0.2
	Unknown	4	0.6
		Frequency	Percent
How do you manage separated instruments	Retrieve the instrument	263	41.2
	Bypass the separated instrument	518	81.2
	Obturation over the separated instrument	351	55.0
	Depends on preoperative infection status and level of fracture of instruments	1	0.2
	Depends the place of seperation and irrigation protocol	1	0.2
	Refer	1	0.2
	Retrieve if in coronal otherwise bypass.. If it doesn’t happen then obturate if patient is symptom free.	1	0.2
	Variable for each case	1	0.2