Table 1 -. Distribution of data according to how long orthodontics had graduated from dental school and participants' opinion about the three statements.

	Answer	How long have you graduated from dental school?				Total
		From 1 to 3 years	From 3 to 5 years	From 5 to 10 years	More than 10 years
Orthodontics is the best treatment for TMD patients with skeletal malocclusion	Disagree	4	11	25	102	142
	Agree	0	1	4	16	21
	No opinion	0	0	3	7	10
	Total	4	12	32	125	173
Orthodontic treatment can prevent the onset of TMD	Disagree	2	6	20	75	103
	Agree	2	6	11	46	65
	No opinion	0	0	1	4	5
	Total	4	12	32	125	173
Orthodontic treatment can lead to TMD	Disagree	1	6	8	61	76
	Agree	2	4	23	61	90
	No opinion	1	2	1	3	7
	Total	4	12	32	125	173