Challenges in achieving gingival harmony.

Gingival harmony is an important element in the esthetics of the smile. Clinicians need to have the essential knowledge to create an optimal soft-tissue profile around teeth and implant restorations. The goal of this article is to describe the requirements for ideal gingival architecture and techniques used to achieve them. The patient presentations in this article will demonstrate different aspects of esthetic soft-tissue surgery as well as treatment challenges and limitations.