Effect of bur selection on machining damage mechanisms of ...
2020-10-1u2002·u2002A computer-assisted dental machining apparatus was used to machine PICN samples, as shown in Fig. 2.Details of the apparatus was documented previously [], which consists of a computer-controlled movement table and a high-speed dental handpiece (PA-S, NSK, Japan) with a bur inserted into the metal friction chuck of the handpiece.A sample surface of 14 mm × 5 mm …
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