Tooth jewellery is the term used to describe fashionable decorations on the teeth, which include grillz, brillies and dazzlers.
Brillies and dazzlers are small decorations that are glued onto the teeth. The materials used can vary from gold foil or gems such as diamonds or rhinestones. Grillz, on the other hand, usually cover the entire incisors and became popular in the 2000s through various hip hop and rap artists.