recommended dental handpiece turbine for opening pulp and ...
2005-8-1 · The dental students prepared and finished 172 Class I cavities using a high-speed high-torque (electric motor) handpiece and a high-speed low-torque (air turbine) handpiece. For preparation criteria, the electric motor high-speed handpiece had a higher average grade than the air turbine high-speed handpiece (5.07 and 4.90 ...
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