when smiling, they contract excessively, lifting the upper lip higher than normal.
some people have a congenital predisposition to a shorter lip, resulting in greater gum visibility.
due to gingival hypertrophy, the teeth appear smaller, which enhances the gummy smile effect.
this can be caused by genetics, mouth breathing, or childhood habits such as thumb sucking.
the skin is cleansed and a local anesthetic may be applied for minimal discomfort.
the botulinum toxin is injected with a fine needle into specific points of the muscles that lift the upper lip.
it is not recommended to lie down or bend over for the first 3–4 hours. Avoid exercise, alcohol, and aggressive cosmetic products for the first 24 hours.