Breakage and displacement of the high-speed hand-piece bur during impacted mandibular third molar extraction: three cases

HIGHLIGHTS

• who: Kuncai Li from the (4, mm) and thin (around , mm) working areaThese characteristics avoid damage to the neighbouring tooth and soft tissue. However, they make the bur more susceptible to breakage. Between December , and July, there were three cases of breakage and displacement of a high-speed hand-piece bur in the Department of Oral and Maxillofacial Surgery at the Affiliated Stomatology Hospital of Southwest Medical University, as described above. The incidence rate was around, .06%. All cases in this report involved breakage of a surgical fissure bur, with the same broken point. The burs used . . .
  

   

  

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