My upper lip is very immobile and doesn’t show my teeth! It covers my teeth when I speak and smile. This hasn’t always been the case, they were showing when I was younger, (kid) and when I was around 12, I’m now 19. During the time when it showed my teeth I had an overbite and had it corrected with braces. Can the braces and jaw correction have affected anything? And how do I resolve this, so that my lip no longer hides my upper teeth when I talk and smile?