Optimising Results of Nasal Tip Rotation Applying Combination of Nasolabial Angle and Lip-Columellar Angle in Tandem in Patients Operated by "Cock-up" Alar Cartilage Flaps Technique.

 Setting the angle of tip rotation is of utmost importance in achieving satisfactory results in rhinoplasty. Conventionally the upward rotation of the tip requires shortening of the septum by caudal resection and shortening of the lateral walls by cephalic trim of the alar cartilages. The results are usually assessed subjectively.