Rhytidoplasty: SMAS Imbrication Vector Comparison.

To determine if there are aesthetic differences in patients who have undergone a SMAS lifting with predominantly oblique-horizontal vectors versus predominantly oblique-vertical vectors. To determine if there are aesthetic differences in the results of the neck using sutures placed in specific areas of the platysmal muscle versus randomly placed sutures for platysmal plication to the mastoid. Comparative, retrospective, blind, and randomized study.