The facial expression shaping that follows is a plastic surgery technique far more difficult than face transplant surgery.
This is an area of expertise unknown to most plastic surgeons. Even amongst those few who have encountered it, only some rough, simple, and localized techniques have been grasped, leaving a lack of comprehensive knowledge.
What is facial expression shaping? Take orthognathic surgery's aesthetics of smile, for example, which involves facial expression shaping.
The smile is an incredibly significant factor in facial aesthetics. As orthognathic operations can alter the smile, surgeons pay particular attention to this dynamic expression.
Many elements influence the portrayal of a smile, such as: how straight the teeth are, their protrusion and degree of incline, the extent of gum exposure, the curvature of the smile, and whether the teeth shown on both sides are symmetrical.