damage, including chipped, cracked, or broken teeth.
Swelling that may block your throat.
If you have your mouth pierced and use oral jewellery, make sure you
can remove it. The ball on one end of a barbell-shaped device must be able to
be screwed off and on to make the jewellery easy to insert and remove. Mouth
jewellery that dislodges can be accidentally swallowed or inhaled, causing injury
or requiring surgical removal.