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Fig. 316: [Application of the brush in buccal cleansing]

1 January 1939


Above - Incorrect application of the brush in buccal cleansingl the heel tufts alone contact the teeth - those at the toe do not but are posed over the gingivae which they tend to traumatize. Below - Correct position: the brush is held parallel to the occlusal plane of the dental arch; accordingly, all the bristles contac the teeth and can function properly.

Black & white photograph


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