Cleaning and Shaping the Root Canal System | Pocket
2020-4-18 · Peeso drills are also used in the electric slow-speed handpiece; the rotational speed is the range of 800 to 1200 rpm; the cutting flutes are more parallel and longer compared to GG drills but shorter than the 16 mm prescribed for ISO-normed hand files. Peeso drills are classified as type P and type B-l, as defined by ISO norm 3630-2.
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