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Section 35 Dental Handpieces and Extras
Section 35 Dental Handpieces and Extras - PowerPoint PPT Presentation
Presentation. Turning instruments complete diverse capacities in the cutting, cleaning, and completing of tooth structure and the reclamation process.. 1940sIntroduction of rotational instruments.Belt-driven handpiece.Development of jewel cutting burs.1950sInvention of tungsten carbide.Development of the air-driven turbine handpiece. .
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