[The dependence of the lip form on the incision line in cleft-lip, jaw, and palate].

Lip, jaw and palate clefts are deformities frequently met with. If treated correctly such defects can be reduced to a minimum. Although we naturally seek to achieve aesthetically satisfactory results when shaping the lip, primary osteoplasty plays a decisive role in this process. Primary osteoplasty prevents pseudoprogency which will spoil any success in lip-shaping.