What can I do to show more teeth?

I would not recommend destroying your Cupid's Bow as this is a natural structure and cannot be replaced. 

I have not seen any documented cases of keloids on the upper lip. The central face is actually a rare place to see keloids in general. That being said, unfavorable scarring is always a risk of a lip lift. Hope that helps. Gary Linkov, MD Lip Specialist Manhattan

It's difficult to say without the benefit of a formal evaluation. This is my expertise and a huge portion of my practice. Asymmetry is normal and expected. See an expert who does facial shaping with surgical and non surgical methods to get a comprehensive option. Best, Dr. Emer.

There are surgical and non-surgical approaches to lip augmentation. Non-surgical approaches include botox (slight lift, reducing gum show) and filler (volume restoration). Surgically, you can have two separate incisions under the nose (italian), one incision under the nose (bull horn), one...

It would have been beneficial to see a before picture to explain what has happened to your lip lift procedure. You seem to have a very small mouth and possibly small and narrow upper lip vermilion. You will need more skin removed from under your alar bases and the nostrils and non from under ...

A small amount of filler into the corners is safe and should address your concerns. I would advise against a corner lift surgery and against an upper lip lift for your concern.