I-drill yamazinyo noma i-handpiece iyinsimbi ebanjwa ngesandla, eyimishini esetshenziselwa ukwenza izinqubo ezihlukahlukene zamazinyo ezivamile, okuhlanganisa ukususa ukubola, ukugcwaliswa kokupholishwa, ukwenza udokotela wamazinyo wezimonyo, nokuguqula izitho zokufakelwa.