CLINICAL ASPECTS OF USING AN UPPER FACE MAPPING SYSTEM FOR ADMINISTRATION OF BOTOX®doi:10.1016/j.toxicon.2018.11.232Razumovskaia, ElenaElsevier ScienceToxicon
In contrast, dishonest smiles, which are also called “fake smiles”, “Botox smiles”, “Pan Am smiles6” or “non-Duchhenne smiles”, involve only the voluntary raising of the corners of the mouth in order to intentionally signal politeness. A recent meta-analysis of Duchenne versus Non-...