The American Academy of Pediatric Dentistry (AAPD) "strongly opposes" the practice of piercing perioral and intraoral tissues and use of jewelry on these tissues.
Oral piercings are increasingly popular, but there are significant risks.
For treatment information, see "Oral piercing complications" page
in the Acute Dental Problems module".
Grills on the teeth can increase the risk of developing caries and trigger allergic reactions to the metal.
American Academy of Pediatric Dentistry. Policy on Intraoral/Perioral Piercing and Oral Jewelry/Accessories. Revised 2011. Reference Manual 35 (6): 65-66.