Health and medical / deduction
Non-routine dental treatment such as crowns, root canal, orthodontics, veneers and surgical extractions qualifies for 20% relief, supported by a Med 2 form from your dentist. Routine dental care and ordinary glasses or contact lenses do not qualify; surgery to correct eyesight may.
Written by PAYEWise editorial team, plain-English tax writers working from Revenue sources. Tax review: pending appointment of a named tax-qualified reviewer. Reviewed 28 October 2026.
Orthodontic treatment qualifies
Crown qualifies
Routine filling does not qualify
All examples use hypothetical people and figures.
Last reviewed 2026-10-28 (awaiting sign-off by a named tax-qualified reviewer). Every factual tax rule on this page is backed by a dated Revenue source. Spotted an error? Use the contact page.