Table 2.

Comparison of severity of temporomandibular disorders based on classification of oral behavior checklist (N = 282)

		TMD severity classification based on FAI
OBC classification	Total (N = 282)	With moderate to severe dysfunction (9–18) n = 18	Without dysfunction/light dysfunction (0–8) n = 264	P value
No	22 (8%)	0 (0%)	22 (100%)	0.005
Low (1–16)	114 (40%)	2 (2%)	112 (98%)
High (17–76)	146 (52%)	16 (11%)	130 (89%)

Note. TMD: temporomandibular disorders; FAI: Fonseca's anamnestic index; OBC: oral behavior checklist.