Table 3

				T1 (n = 17)			P_T1/T2	T2 (n = 14)			P_T2/T3	T3 (n = 16)			P_T1/T3
				N (%)	Mean (SD)	Range	P_T1/T2	N (%)	Mean (SD)	Range	P_T2/T3	N (%)	Mean (SD)	Range	P_T1/T3
Reported orofacial symptoms
Headache				5 (29)	-	-	0.242^b	7 (47)	-	-	0.156^b	4 (25)	-	-	1.000^a
Opening restricted				4 (24)	-	-	1.000^a	3 (20)	-	-	1.000^a	3 (19)	-	-	1.000^a
Chewing restricted				7 (41)	-	-	0.28^a	3 (20)	-	-	1.000^a	4 (25)	-	-	0.325^b
Chewing painful				6 (35)	-	-	1.000^a	4 (27)	-	-	0.378^a	2 (13)	-	-	0.225^a
TMJ clicking				3 (18)	-	-	1.000^a	2 (13)	-	-	0.657^a	4 (25)	-	-	0.688^a
Clinical findings - morphology
Facial asymmetry				13 (76)	-	-	0.441^a	8 (53)	-	-	0.464^b	7 (41)	-	-	0.055^b
Chin deviation				11 (65)	-	-	0.224^b	6 (40)	-	-	0.51^b	5 (29)	-	-	0.055^b
Horizontal overbite, mm				-	4.4 (3.3)	1 - 13	0.016^d*	-	2.3 (1)	1 - 5	0.618^d	-	2.5 (1)	1 - 5	0.004^c*
Vertical overbite, mm				-	-0.6 (2.7)	-7 - 3	0.004^c*	-	1.6 (1.5)	-2 - 3	0.088^d	-	1.3 (1.5)	-2 - 4	0.027^d*
Clinical findings - function
TMJ	Pain at palpation		Unilateral	2 (11)	-	-	1.000^a	1 (7)	-	-	1.000^a	1 (6)	-	-	1.000^a
	Pain at palpation		Bilateral	4 (22)	-	-	0.355^a	1 (7)	-	-	1.000^a	2 (12)	-	-	0.656^a
	Crepitation		Unilateral	2 (11)	-	-	0.488^a	0	-	-	1.000^a	0	-	-	0.485^a
	Crepitation		Bilateral	2 (11)	-	-	1.000^a	2 (13)	-	-	1.000^a	2 (12)	-	-	1.000^a
	Opening deviation			8 (44)	-	-	0.293^b	4 (27)	-	-	0.709^a	6 (35)	-	-	0.579^b
	MIO, mm			-	42.9 (5.7)	30 - 53	0.062^d	-	38.5 (7.6)	20 - 53	0.029^c*	-	40.3 (4.8)	28 - 48	0.333^d
	Laterotrusion, mm			-	7.8 (3.1)	0 - 15	0.089^d	-	6.9 (1.7)	3 - 10	0.039^c*	-	7.6 (2)	3 - 12	0.808^d
	Protrusion, mm			-	6.5 (2.7)	2 - 12	0.130^c	-	5.8 (2.1)	2 - 9	0.147^b	-	5.9 (1.7)	3 - 8.5	0.524^c
Muscles	Pain at palpation	Masseter	Unilateral	3 (17)	-	-	0.607^a	1 (7)	-	-	1.000^a	2 (12)	-	-	1.000^a
		Masseter	Bilateral	5 (28)	-	-	0.698^a	3 (20)	-	-	0.642^a	2 (12)	-	-	0.398^a
		Temporalis	Unilateral	1 (6)	-	-	1.000^a	0	-	-	1.000^a	1 (6)	-	-	1.000^a
		Temporalis	Bilateral	4 (22)	-	-	0.344^a	1 (7)	-	-	1.000^a	1 (6)	-	-	0.335^a

^aFischer's exact test for intragroup differences; ^bChi-square test for intragroup differences; ^cPaired-samples t-test for intragroup differences; ^dWilcoxon signed-ranks test for intragroup differences.
*Statistically significant (P < 0.05).
T1 = preoperative examination; T2 = postoperative examination; T3 = long-term examination; N = number of patients; SD = standard deviation; TMJ = temporomandibular joint; MIO = maximum interincisal opening capacity.