(PDF) Effects of handpiece speed on the performance
2019-1-1 · Using a no. 330 bur in the high-speed turbine handpiece, penetrate the tooth parallel to its long axis in the central pit region and extend into all susceptible fissures and pits to a depth 0.5 mm in dentin. 3. Remove all carious dentin. Use a large, round bur in the slow-speed handpiece or a sharp spoon excavator. 4.
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