“…53,138 Despite the dominant influences of drill bit wear on bone damage, the guidelines regarding this topic in bone drilling have yet to be established. 131 Many studies have reported the effects of drill bit wear on bone damage 11,40,91,108,109,169,178 ; the drill bit wear produces many unwanted complications in bone drilling such as elevating bone temperature above osteonecrosis level, 14,24,40,58,81,108,109,125,156,169,178 plunging into surrounding bone tissues, 9,45 and increasing thrust force and torque. 11,14,106,131,169 Furthermore, drill wear alters bone protein balance 151 and deteriorates-delamination 11 and surface roughness 11,58 -drilling hole quality.…”