Embusweni wezinsimbi zamazinyo, ama-handpiece burs adlala indima ebalulekile ezinqubweni ezahlukahlukene, ukuqinisekisa kokubili ukunemba nokusebenza kahle. Lawa mathuluzi akhethekile aklanyelwe ukungena ezindaweni ezihamba kancane, ezisebenza ezinguquko eziphansi ngomzuzu (RPM) uma kuqhathaniswa nozakwabo abahamba ngesivinini esiphezulu. Ukuqonda imisebenzi nokusebenza kwabo kungathuthukisa kakhulu ikepisi lochwepheshe wamazinyo