Table 1.

Epidemiological data of all patients.

		N in piezosurgery group (total = 11)	N in conventional group (total = 27)
Age	2–6	3	5
	6–10	4	6
	10–14	4	16
Gender	Male	8	18
	Female	3	9
OMENS-Plus type	M2A	6	12
	M2B	5	14
	M3	0	1

N, number of the cases.