Figure 3.
Nonlinear regression curve of the objective smile-line height and the self-perception of the smile line components. 1 = very unattractive; 5 = very attractive

Nonlinear regression curve of the objective smile-line height and the self-perception of the smile line components. 1 = very unattractive; 5 = very attractive

Close Modal

or Create an Account

Close Modal
Close Modal