A dental device with dual saliva extractors and dual retractors for the tongue and upper lip and method are connectable to a suction and disposal unit. The device includes a pair of extractors each of which includes a suction tip and a tubular member for connecting the tip to the sources of suction. A first of the tubular members is put into a patients mouth with a first curved portion inserted in a lower portion of the patients mouth over the tongue and behind the front teeth and a second curved portion separate from said first portion branched off from where the first portion crosses the lower teeth and is inserted between the upper lip and upper molars under the region of the Stensons duct.