title: Study calls for dental office investigations.
mesh_terms: D000395:Air Pollutants, Occupational / Q000032:analysis*; D003770:Dental Offices; D004781:Environmental Exposure; D006920:Hygiene; D008628:Mercury / Q000032:analysis*; D009864:Ontario; D012306:Risk; D014835:Volatilization
chemical_list: D000395:Air Pollutants, Occupational; D008628:Mercury