Ciuffolo F. A soft-tissue vertical line to research the profile harmony. Dent Oral Maxillofac Res, 2020; 6: 1-9.   Abstract The anterior-posterior position of upper incisor is a determinant of the ideal soft-tissue profile [1]. For this reason, from the beginning of our specialty, “the profile with perfect harmony” was researched [2] and different analysis...Read More