Amalgam has proved to be among the most versatile and durable of all restorative materials used in the treatment of dental disease. If it is handled and controlled properly, problems with its use should not develop. Safe mercury vapor levels can be maintained if good mercury hygiene practices are exercised. Materials and devices are available for aiding the dentist in adequate mercury control procedures. With the cooperation of each member of the dental team, compliance with all the criteria imposed by governmental regulatory agencies can be accomplished. These criteria have been established for the health protection of the dentist and his auxiliary personnel. Each practioner and office staff member should realize the potential hazards associated with mercury, and effect good mercury hygienic measures and control procedures.