This time, I just chose to treat my top set of teeth. Treating just the upper or just the lower set of teeth can create alignment issues in the long-run, but wasn't personally an issue for me ...

Once it’s set, you can trim any excess material for ... Mouth guards are typically designed to fit either upper or lower teeth. Which one to buy largely depends on preference.

The trays aren’t custom fit, but they’re labeled U for upper and L for lower ... I set a timer on my phone, held a smile for two minutes while the gel bubbled up on my teeth, and spit out ...

The upper portion covers the roof of your mouth, and the lower is a horseshoe shape that ... a material that looks very similar to real teeth - are set in place. Minor touches get made to the ...