Supplement 4.

Treatment regimen according to age group, gender and fracture pattern in pediatric patients with mandibular fractures. The number of patients is reported (n), and the percentage of the total number of female (F) and male (M) patients admitted with mandibular fractures is given in parentheses. The number of cases in which removal of osteosynthesis material occurred is displayed, and the percentage of the total number of patients that received osteosynthesis material is given in parentheses. IMF = intermaxillary fixation, ORIF = open reduction and internal fixation

Age group	Gender			Treatment
	All	F	M			Conservative	IMF	ORIF	ORIF + IMF	ORIF material removed
Years	n	n	n	Fracture pattern	n	n (%)	n (%)	n (%)	n (%)	n (%)
1–5	6	5	1	Single	4	1 (25.0)	0	3 (75.0)	0	2 (66.7)
				Double	1	0	0	1 (100)	0	1 (100)
				Triple	1	0	0	1 (100)	0	0
6–12	24	6	16	Single	13	2 (15.4)	3 (23.1)	7 (53.8)	1 (7.7)	5 (62.5)
				Double	9	0	2 (22.2)	7 (77.8)	0	5 (71.4)
				Triple	2	0	0	1 (50.0)	1 (50.0)	2 (100)
13–16	61	10	51	Single	22	7 (31.8)	6 (27.3)	7 (31.8)	2 (9.1)	5 (55.6)
				Double	34	1 (2.9)	2 (5.9)	26 (76.5)	5 (14.7)	16 (51.6)
				Triple	4	0	1 (25.0)	2 (50.0)	1 (25.0)	2 (66.7)
				Multiple	1	0	0	1 (100)	0	1 (100)