Advertisement
Browse Subject Areas
?

Click through the PLOS taxonomy to find articles in your field.

For more information about PLOS Subject Areas, click here.

< Back to Article

Dynamic properties of successful smiles

Fig 2

Definitions of the spatial parameters used in the study.

Mouth angle is the angle between the green and blue lines. Smile extent is the length of the green line. Dental show is the distance between the lower and upper lips.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0179708.g002