Fig. 295: Rolling (rotary or centrifugal) method

[unknown], [unknown]

Abstract

Diagrammatic drawing, showing the arc traversed by the ends of the bristles as they are directed from the gingivae downward in the upper jaw, and upward, in the lower.

Black & white drawing

Files

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Metadata

Resource type
- Image
Collections
- The Toothbrush: Its Use and Abuse Gallery
Subject
- Dentistry
- Periodontics and Periodontology
Is part of
- The Toothbrush: Its Use and Abuse (1939)
Licence
- Copyright-Only Dedication (based on United States law) or Public Domain Certification