Please provide your email address to receive an email when new articles are posted on . Significant improvements in smile dynamics and perceived expression occurred in a cohort of patients who ...

The depressor labii inferioris muscle is a four-sided facial muscle located in the jaw area that draws the lower lip down and to the side. Originating within the lower jaw — at an area called the ...

Your smile isn’t just your mouth. It’s a full-face expression, made up of tiny muscular shifts you’re barely aware of. The corners lift. The cheeks follow. The eyes crease slightly. And at the centre ...