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Dentist · Japan

Website advertising rules for dentists in Japan

Dentists answer to their regulator's advertising and conduct rules as well as to privacy law. This is what Medical Care Act advertising rules (医療法 Arts. 6-5, 6-6), dental clinics means for your website: testimonials, claims, fees, titles and the details you must show. It applies only to sites of that profession, and only where you are licensed. For the general laws every site in Japan must follow, see Japan's laws.

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Medical Care Act advertising rules (医療法 Arts. 6-5, 6-6), dental clinics

Current e-Gov text read 10 Nov 2026.

Who it covers: Anyone advertising a dental practice in Japan. Websites are in scope when they invite patients (Ordinance Art. 1-9-2). Whether a foreign site aimed at Japanese patients is covered was not confirmed. Set by the Ministry of Health, Labour and Welfare and the prefectural governors.

What it requires of a website or app (7)

  • No false advertising in any mediumAI reviewAct Art. 6-5(1)
  • No claim of superiority over other hospitals or clinics, and no exaggerated advertising or advertising contrary to public order and moralsAI reviewAct Art. 6-5(2)(i)-(iii)
  • No patient's subjective or hearsay testimonial (体験談) about the content or effect of treatmentAI reviewOrdinance Art. 1-9(i)
  • No before/after photos of treatment that may mislead patients about its content or effectAI reviewOrdinance Art. 1-9(ii)
  • Only the 16 listed items may be advertised, unless the website exemption appliesAI reviewAct Art. 6-5(3)(i)-(xvi)
  • Website exemption: the page is one patients seek out themselves, shows a contact point for enquiries and, for self-pay treatment, states the usual treatment content and costs and the main risks and side effects (if the site advertises treatment beyond the 16 listed items)AI reviewOrdinance Art. 1-9-2(i)-(iv)
  • Department names are only the listed or approved ones; an approved department name is advertised together with the approved doctor's nameAI reviewAct Art. 6-6(1), (4)

Sources:Medical Care Act (医療法) on e-Gov Medical Care Act Enforcement Ordinance (医療法施行規則) on e-Gov

Rules for dentists in other markets

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A plain-language summary of what each law requires of a website or app, from the SafeLaunch rulebook, with the provision and official sources. It is not legal advice and not every duty in each law is listed.