| abstract |
AN APPLICATOR FOR THE TREATMENT OF TEETH AND/OR GUMS WITH FLUORIDES OR OTHER MEDICAMENTS WHEREIN THE APPLICATOR COMPRISES A FLEXIBLY RESILIENT SUBSTANTIALLY HORSESHOE-SHAPED LIQUID-IMPERMEABLE TRAY OF CHANNEL CROSSSECTION AND A MEDICAMENT CARRIER SUBSTANTIALLY COEXTENSIVE THEREWITH AND ALSO OF CHANNEL CROSS-SECTION SECURED IN THE TRAY, THE INNER AND OUTER FLANGES AT THE ANTERIOR TEETH BEING INCLINED DISTALLY OR INWARDLY WHILE THE INNER AND OUTER FLANGES AT THE POSTERIOR TEETH CONVERGE TOWARDS THE TEETH SO THAT WHEN THE APPLICATOR IS APPLIED TO THE TEETH IT WILL READILY ACCOMMODATE TO AND GRIP THE TEETH WITHOUT SPRINGING OFF, AND WHEN MODERATE PRESSURE IS APPLIED TO THE APPLICATOR THE MEDICAMENT WILL INVEST THE TEETH AND/OR GUMS. |