A retrospective clinical investigation for the effectiveness of closed reduction on nasal bone fracture

Maxillofacial Plastic and Reconstructive Surgery

Table 4 Types of nasal bone fracture and treatment

Fracture classification	Open reduction	Closed reduction	Observation	Total
Ia	0	5	8	13
Ib	0	1	2	3
II	4	56	15	75
III	0	28	4	32
IV	5	49	2	56
Total	9	139	31	179