Introduction:

facial attractiveness and smile attractiveness seems to be strongly related to each other. Smile becomes of great importance in facial expression and appearance, as the mouth is the center of communication on the face.

Objective:

to know the relationship among the aesthetic perception of the smile, the gender and age in adolescences.

Methods:

an analytical, cross-sectional research was carried out at "Victoria de Santa Clara" Clinic, located in the same municipality, from 2017 to 2019. The universe of study was all patients aged 12 to 25 years who come to the Orthodontics consultation in 2018. The sample was made up of 100 patients to whom a questionnaire was applied. Gender, age, individual considerations of the aesthetic aspects of the face, influence of the smile on social life, the face and feelings were the analyzed variables.

Results:

the aesthetic perception of the patients was determined taking into account the face of a person, mainly the smile and the eyes, to make a value judgment about beauty.

Conclusions:

the patients expressed their considerations about the aesthetic aspects of the face. Gender and age ranges were related to the smile variables studied.