Assessment of Facial Symmetry After Facial Reconstruction Using Three-dimensional Stereophotogrammetry

Facial reconstruction follows removal of a malignant or benign tumor of the oral cavity or face, complex facial trauma, or resection of osteonecrosis of the jaws. It\'s a challenge that aims to restore not only the functions of the face, but also its aesthetics, which is just as crucial. A poor aesthetic result after facial reconstruction has a serious impact on patient\'s lives. To develop more personalized surgery, and to anticipate and correct poor results in the future, it is essential to better understand the factors associated with poor aesthetic results in this type of surgery, as well as their impact on the patient\'s life. This means correctly assessing the aesthetic outcome of this surgery. Today, however, aesthetic evaluation criteria remain inadequate. A number of criteria are involved in facial attractiveness, and facial symmetry is a key factor. It is generally accepted that severe facial asymmetries considerably diminish facial attractiveness. Currently, aesthetic evaluation criteria (particularly symmetry) are based primarily on the subjective perception of the surgeon or patient. However, there is a need to be able to measure facial symmetry objectively. Methods for assessing symmetry rely on the placement of anatomical landmarks and the calculation of Euclidean distance, which involves locating homologous landmarks on each side of the face and comparing the length ratios of all possible lines connecting the landmarks on each side. However, thes…

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Nicolas GRAILLON, MD  ·  04 91 43 6319  ·  nicolas.graillon@ap-hm.fr

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