General oral hygiene products are not qualified medical expenses, even when a dentist recommends them.
IRS Pub. 502 (general-health exclusion)
A dentist-prescribed device for a specific diagnosed condition may qualify with an LMN — rare.
This one doesn't qualify, but a lot of similar items do.
Browse HSA-eligible items →Informational only — not tax, legal, or medical advice. Consult a qualified tax professional about your situation. Rules version 2026-08-15, last verified July 2026.