A historic shift in global dental care is underway as the World Health Organization (WHO) unveils a groundbreaking guideline just ahead of World Oral Health Day 2026.
For the first time, countries now have evidence-based guidance for safe, eco-friendly, and minimally invasive management of dental caries, the most common noncommunicable disease affecting 2.7 billion people worldwide. From children to underserved populations, dental decay has long caused pain, financial burden, and health inequality—but this new approach promises a revolution.
A planet-friendly approach to oral health
Traditional dental care often relies on mercury-containing amalgam, posing risks to both patients and the environment. The WHO guideline emphasizes mercury-free restorations, non-invasive interventions like fluoride varnish, silver diamine fluoride, and pit-and-fissure sealants, promoting prevention before pain sets in.
Dr Benoit Varenne, WHO Dental Officer, said:
"For the first time, countries can prevent and manage dental caries using interventions that are safe, effective, and environmentally sustainable. Mercury-free care is no longer just an option—it’s the future."
Key recommendations for countries and clinicians
- Population-wide prevention: Fluoride varnish and targeted sealants for children at high risk.
- Non-invasive care: Early-stage caries can be arrested using simple, affordable methods without drilling.
- Mercury-free restorations: Use of glass ionomer cements and resin-based composites.
- Vulnerable groups: Special attention for children, pregnant or breastfeeding women, and individuals with allergies.
- Environmental protection: Sustainable procurement, waste management, and reduced chemical hazards in clinics.
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Dévora Kestel, Director a.i., WHO Department of Noncommunicable Diseases and Mental Health, added:
"Oral health care must evolve to support planetary health. Mercury-free, less invasive interventions protect both people and the environment while expanding access to care."
A milestone for universal health coverage
The guideline supports the WHO Global Oral Health Action Plan 2023–2030, empowering countries to integrate essential oral health services into primary care, ensuring equitable, safe, and affordable dental care for all by 2030.
Looking ahead: WOHD 2026 launch webinar
WHO will officially launch the guideline on 19 March 2026, featuring high-level speakers sharing country experiences and strategic insights into global oral health advancement.
This marks a historic turning point in how the world prevents, stops, and treats dental decay—safer for patients, kinder to the planet, and more accessible than ever before.
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