Mouth cleaning device has bristles fitted on elastic support in outer frame movable by vertical and horizontal weak spots to clean upper and lower teeth simultaneously

摘要

The mouth cleaning device has bristles (4,5) fitted on an elastic support material (3)with an outer frame (1) movable by numerous vertical and horizontal weak spots (2,2'). An inner support (6) is shaped so that in the mouth the material thickness becomes thinner at the back and thicker at the front.