One of the most common conversations I have with patients who have post-paralysis facial synkinesis is this one: “Should I keep doing BOTOX, or is it time to consider surgery?” The honest answer is that there is no single right answer, and that's by design. In our practice, we believe this decision belongs to the …
The lower lip is controlled by four key muscles—depressor labii inferioris (DLI), depressor anguli oris (DAO), mentalis, and platysma—working together under the direction of the facial nerve. These muscles and their nerve supply play a critical role in helping you smile, speak, eat, and communicate emotion in ways so automatic you never think about them... …