Creator

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Creation Date

1939

Technique

Black & white photograph

File Format

JPEG

Description

A - Improper application of the brush in buccal cleansing. Since only the heel bristles function, the force of the brushing, thus limited to a small area, is likely to be excessive and may entail gingival traumatization [...]. B - Correct position; the brushhead is parallel to the buccal plane of the arch.

Rights

Creative Commons License
This work is dedicated to the Public Domain.

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