Can tooth jewelry damage enamel?

Tooth jewelry has moved from a dental curiosity to an everyday accessory, and the first question most people ask is whether a tiny gem can harm enamel. Enamel is the hardest substance in the body, yet once lost it never grows back. Twinkles was created inside a Stockholm dental clinic in 1998 for exactly that reason: a decoration that sits on the surface and comes off cleanly, rather than one that alters the tooth. In over 25 years of supplying clinics and salons worldwide, we have never received a report of a Twinkles gem harming a tooth.

What bonding does to enamel

Bonding a tooth gem involves a short enamel etch, a thin adhesive layer, and light curing, the same principle used to attach an orthodontic bracket. The etch roughens the surface just enough to create micro retention. There is no drilling and no permanent alteration; the only change is a microscopic texture that disappears when the gem is polished off by a dental professional. The area underneath a correctly bonded gem is sealed, so it is not open to bacteria.

One thing to keep in mind: Twinkles recommends that the jewelry be bonded only to a real, live tooth. In our experience, porcelain caps, crowns, and veneers generally cannot be etched properly, so the adhesive often will not hold. However, some dental clinics may be able to perform the bonding on veneers and caps, so if you are interested in this option, please check with local dental clinics to see if they offer this service.

Materials and design that respect enamel

The back of a gem is specially designed to be rough so it can grab onto the adhesive more effectively. A carefully curved backside that follows the natural contour of the tooth, developed through 25 years of Twinkles experience, matters more than size. Twinkles gems are cut from solid recycled gold, 18k, 22k and 24k yellow gold, and 18k white gold, never plated or coated, so there is no tarnishing against the tooth. Our crystal range uses Preciosa and Swarovski flatbacks, both lead-free and Oeko Tex certified for safe skin contact.

Crystals behave differently from gold: the foil backing that creates their sparkle can separate from the glass if only the back is bonded, so the sides must be covered in composite as well. This is why bonding technique — rather than crystal quality — determines whether the foil backing separates, and why crystals may come off sooner than gold jewelry. Gold and diamond pieces have no such limitation and can stay on until deliberately removed.

Our experience is that crystals typically stay on for three to six months, while gold can stay on for six months up to several years, or until you choose to remove it.

Application and aftercare

Tooth gems are tiny decorations that are safely glued onto the surface of your tooth with a special dental material. The tooth is gently prepared, the gem is placed on top, and then it’s hardened with a curing light so it stays in place.

Once it’s on, you can touch it lightly with your finger or tongue to feel that it’s secure. You should avoid biting hard on it for a few hours, brush your teeth as usual, and try not to pick at it. If the gem falls off and there is still composite on the back of the gem, it cannot be re‑used.

Where the Real Risk Lies: The Glue, Not the Gem

It is important not to use DIY methods with glues that are not specifically designed and approved for use in the mouth. Household glues, industrial adhesives, and other non-dental products can contain toxic or irritating chemicals that may damage teeth, gums, and oral tissues, or be harmful if accidentally ingested. In addition, these glues are not formulated to withstand the moist, warm environment of the mouth and can break down, release harmful substances, or fail unexpectedly, increasing the risk of injury or infection. Always use only glues and materials that are explicitly meant for oral or dental use, and consult a tooth gem professional rather than attempting DIY with inappropriate products.

How removal affects enamel

Removal belongs with a dental professional and is controlled and gentle. The gem is polished off carefully, and no visible mark is left on the tooth.

Find your perfect tooth gem today and add a little extra sparkle to your smile <3