Tooth brush

Details Tooth brush Tooth brush

1989-02-03

1990-01-23

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

128 62A, D 4104, D 4105, A46B 904

Patent

active

048948802

ABSTRACT:
A tooth brush having a plurality of rows of bristles of varying stiffness and cut. Outer bristles are directed to the gum line, while inner bristles work directly on the tooth surface. The inner bristles are stiffer than the outer bristles to assure proper scrubbing of the tooth surface.

REFERENCES:
patent: 4570282 (1986-02-01), Kaufman et al.

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