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US 4,224,710 AGranted
Toothbrush for the whole mouth
OwnerTerry S. Solowinventor
Life of this patent
Estimating the term…
Abstract
A power-actuated toothbrush is provided and in its broadest aspects, the toothbrush brushes both sides of a tooth and penetrates into the embrasures. The bristles extend at an angle to the sides of the teeth whereby the bristles of the brush also enter and clean the sulcus area. In preferred embodiments of the invention, the biting surfaces of the teeth are cleaned simultaneously with the sides of the teeth. In other embodiments of the invention, an entire dental arch or even the entire mouth of teeth is cleaned in a single operation.
Claims13
A toothbrush for brushing both sides of a tooth simultaneously comprising in combination:
- a. a housing of arcuate sectional shape fitting over a row of teeth,
- b. a pair of individual brushes mounted within said housing;
- c. said brushes being spaced from each other and adapted to contact opposite sides of a tooth and being individually movable with respect to said housing;
- d. said brushes having bristles set at an acute angle to the sides of said tooth and being directed toward the sulcus;
- e. means to move said brushes toward and away from each other, to clean the tooth including the sulcus area.
2 more elements
Dependencies are inferred from the claim text.