Tooth Recontouring: Reshaping Enamel Without Adding Material

Tooth recontouring changes the outline of a tooth, not where the tooth sits. The 2024 review of front-tooth edge fractures calls it not the treatment of choice, but says it could be indicated in some cases. The uses it lists include reshaping a tooth whose shape the patient finds unattractive and treating fractures along the enamel edge of front teeth, the review's own subject. NHS advice for any chipped, cracked or broken tooth is to see a dentist.

The 2024 review of front-tooth edge fractures describes recontouring as simple, quick and economical, an option for a patient who prefers a fast treatment or for moments of transition. Against that, it lists recontouring as not conservative of tooth tissue and not reversible, and it can mean reshaping the matching tooth as well. Removed enamel does not grow back. When front teeth look uneven, our page on uneven teeth explains whether the unevenness comes from the teeth themselves, the gum line or tooth position.

Tooth recontouring cannot add anything to a tooth, so it cannot lengthen a short edge, close a gap or rebuild a missing piece. The 2024 review of front-tooth edge fractures lists a tooth with a short crown as a contraindication. It also warns of a possible aesthetic limit: changing one tooth's shape can mean reshaping the healthy matching tooth on the other side as well. The same review says that treating edge fractures, whether by removing enamel or by adding material, also means controlling their cause, such as grinding or clenching, acid erosion or habits like nail-biting, which it calls fundamental to the long-term outlook.

Enamel is a thin layer. A 2024 retrospective study of 800 archived CBCT scans of dental patients aged 18 to 60 in one region of Romania measured sound, well-aligned upper central incisors with no decay, fillings or root canal treatment, and did not take tooth wear into account. On the front surface, enamel averaged about 1.1 mm thick 1 mm from the biting edge, with single readings as low as 0.73 mm.

At 1 mm above where enamel meets root it averaged between about 0.45 and 0.5 mm, with single readings as low as 0.28 mm. These figures are the depth of the enamel layer on the front surface, from its outer face to the dentine beneath. They are not an amount that can be taken away, and they do not show how much a biting edge could be shortened.

Recontouring does not move teeth. Removing enamel where neighbouring teeth touch, called interproximal reduction, is a separate technique used in orthodontic treatment. It belongs with braces and clear aligner therapy, not with reshaping a tooth's outline.

Speak to a dentist if a front tooth has chipped, looks uneven or has an edge you would like reshaped.

NHS guidance says chipping, breaking or cracking a tooth is usually not serious; a dentist should be able to deal with it. It recommends seeing a dentist when you or your child has chipped, cracked or broken a tooth. For urgent treatment it suggests calling a dentist first, since a closed practice's answerphone may say what to do; without a dentist, or if no emergency appointment is available, call 111 for advice or find a dentist nearby and ask for an emergency appointment.

Yes. Deepcar Dental Care offers tooth recontouring and reshaping among its cosmetic treatments.