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The proponents of mercury fillings in the UK, such as the British Dental Association, argue that amalgam remains necessary because it is cheap and durable. That argument no longer holds. Modern composite resins and compounds such as zirconium are strong, safe and aesthetically superior. They bond directly to the tooth, preserving a more healthy structure. Yes, they may take slightly longer to place, but with modern techniques the difference is minimal. When we consider the environmental cost of mercury pollution, composites are not only safer but more economical in the long term.