There are a few things that can affect how likely you are to experience nerve damage from a tongue piercing. First, the placement of the piercing can play a role. If the piercing is placed too close to the nerve, there is an increased risk of damage. Second, the type of jewelry used can also affect the risk of nerve damage. Thick gauge jewelry is more likely to cause damage than thin gauge jewelry. Third, the way the piercing is done can also affect the risk of damage. If the piercing is done improperly, it can increase the risk of damage. Finally, your own personal risk factors can affect the likelihood of nerve damage. If you have a history of nerve damage or are taking certain medications that can cause nerve damage, you are more likely to experience nerve damage from a tongue piercing.