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IRVING D. EHRENFELD, M.D.

AMA Arch Derm. 1957;75(1):134-135.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The driving unit for the cutting tool in dermabrasion consists of a motor and a means of coupling to the handpiece. The commonest type is the motor and flexible shaft which was used by Kurtin. A short compact motor and chuck without the flexible shaft, such as the grinding tool used by mechanics, where the entire unit is held in the hand, has also been used. A third method is that of hinged arms and cord and pulleys to drive the chuck holding the cutting tool. This is the type used in the usual dental unit. High-speed motors and transmissions are available which make this type equal to the others as far as speed of revolution is concerned. There is one advantage to the cord and pulley machine not present in the others—the relative absence of vibration in the handpiece. This is very quickly appreciated by anyone . . . [Full Text PDF of this Article]

Author Affiliations
New York

Footnotes
Received for publication May 11, 1956.

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