Is it possible to extend gum line past your natural gum line?
Doctor Answers 3
Not likely to "stick"
Unfortunately gums like root surfaces not enamel. However, if you're trying to shorten teeth there are many other options that might help deliver the results that your looking for. You might want to consider othodontics and/or cosmetic options such as veneers and crowns
Gum Grafting to Enamel
Why is it that you want to cover your teeth?
There maybe other procedures to help you achieve the esthetics you want ....
you could post pictures to be evaluated