Many nations have legally banned its use, while others have removed it from public health programs or restricted its application to children, pregnant women, and breastfeeding mothers. The Minamata Convention on Mercury plays a significant role in driving these changes, setting deadlines and encouraging national action plans for complete phase-outs. Several countries have already achieved complete bans or near-total elimination, while others are working toward this goal. The World Alliance for Mercury-free Dentistry advocates for stronger action to protect vulnerable populations.