Environmental issues in dentistry: reflections on the practice of dentistry in the 21st century.
D000328:Adult; D002648:Child; D003695:Delivery of Health Care; D003710:Demography; D003813:Dentistry / Q000639:trends*; D005544:Forecasting; D006801:Humans; D009909:Oral Health; D012586:Science; D013672:Technology