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. 2017 Dec 2;51(3 Suppl 1):S52–S61. doi: 10.17096/jiufd.09789

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Copyright © 2017 Journal of Istanbul University Faculty of Dentistry

This article is licensed under Creative Commons License Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license (https://creativecommons.org/licenses/by-nc-nd/4.0/). Users must give appropriate credit, provide a link to the license, and indicate if changes were made. Users may do so in any reasonable manner, but not in any way that suggests the journal endorses its use. The material cannot be used for commercial purposes. If the user remixes, transforms, or builds upon the material, he/she may not distribute the modified material. No warranties are given. The license may not give the user all of the permissions necessary for his/her intended use. For example, other rights such as publicity, privacy, or moral rights may limit how the material can be used.

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Figure 6. — (a) Division of nasolabial angle into upper and lower components. (From: Naini FB. Facial Aesthetics: Concepts and Clinical Diagnosis. Oxford: Wiley-Blackwell, 2011; used with permission). (b) Preoperative profile. (c) Postoperative profile showing increase in nasolabial angle particularly due to changes in the lower component (i.e. upper lip inclination) following a posterior setback of the maxilla.