From: Postoperative long-term results for the comparison of the symmetry of the upper lip during lip closure according to Millard and Pfeifer
OP method
Incomplete lip cleft
Complete lip cleft
Lip and alveolar cleft
Lip, alveolar, and palate cleft
Male
Female
Total
Millard
4
2
6
9
7
16
Pfeifer
5
8
3
19
14
25
10
35