I dont know its been there for years, it may not hav been, but no its not painful, the gum tissue looks healthy normal, i just noticed it because i had a biopsy on ulcer and started feeling around with my finger, its not even visible.
This is another custom island. This one could be used for ads. This spot is one of the best places for ads on your site to be placed. This can be enabled/disabled on a per forum basis.