Which treatment would be most effective to get the best symmetry?
Botox of the levator will help correct the gummy smile. The options for symmetry include injecting only one side with Botox or different units on the two sides. Lip filler while restoring lip volume may help with the gummy smile and asymmetry.
Thank you for your question. Smiling, which pulls the upper lip up, reveals a large part of the gingival tissue, often called a "gummy smile". I would recommend Botox to the levator labii superioris nasi muscle on the left side only to make your smile more symmetric.