One of the main worries with a tooth piercing is that the jewellery can break off the tooth and end up being aspirated or swallowed. Other possible dangers It depends on the type of tooth jewellery you have, but generally speaking, it ought to last a year or two. The hole will close when it’s time to remove it, so you’ll know. Don’t try to put your tooth jewellery back in after it has closed up; you’ll just end up hurting yourself. The safety of wearing dental jewellery and piercings for an extended period of time has received scant research. This service is not available from every dentist.