A **tooth gem kit** is a DIY set designed to let you safely apply small, decorative crystals or jewels to the surface of your teeth at home. These kits typically include a variety of lead-free glass or Swarovski crystals, a specialized bonding resin (similar to what dentists use for braces), an etching gel to prep the enamel, and a small UV or LED light to cure the adhesive.
While they offer a temporary way to add some “sparkle” to your smile without the permanence of a piercing, it is crucial to follow the instructions precisely to avoid damaging your enamel or trapping bacteria. Most applications are designed to last anywhere from a few weeks to a few months, depending on the quality of the bond and your oral hygiene habits.