*Source: EA McLaren, L Culp - J Cosmet Dent, 2013 Smile Analysis, the photoshop design technique, part 1. Volume 29, 1. pp.94-108.
Source: Patnaik. V.V.G., Singla Rajan, K., Bala Sanju. (2003). Anatomy of a Beautiful Face and Smile. J. Anat. Society India. 52(1) pp.74-80.
Source: McLaren, E, and Tran Cao, P. Smile Analysis and Esthetic Design: ‘in the zone’.

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