Well, I've had one for about 8 years now, and never had a problem ! The initial swelling went away after 3 days, during which I could only eat liquid food, or ice cream, and suck ice cubes to reduce the swelling. Along with the usual after care that your piercer will tell you about, you should just follow a normal mouth hygiene. Make sure you go to the best piercer in town, and don't be afraid of spending more for quality ! as for teeth and gums, no problem at all in my case. It's just a matter of choice, I guess. I've never regretted mine, I have to say. It's discreet, doesn't make me speak any different, and most of the time It gets me compliments (if you know what I mean...;-) )