Iisirinji ezivavanyelwayo zisetyenziselwa ukutofa iyeza lokuthomalalisa lendawo xa kusenziwa utyando lwamazinyo. Ngokungafaniyo neesirinji zesintu, isirinji enqwenelayo itofa isibulali-zintlungu kwi-carpule, efana ne-Septocaine, i-articaine, kunye ne-epinephrine, kwaye ivumela ugqirha wamazinyo ukuba anqwenele indawo yokutofa ngokutsalela umsesane wesithupha ngaphandle. Eli nyathelo libalulekileyo liqinisekisa ukuba awubetheli umthambo wegazi okanye umthambo wegazi xa utofa i-anesthetic. Ngokuchaseneyo, ukutyhala ikhonkco lobhontsi ngaphakathi kuvumela isisombululo se-anesthetic ukuba sidlule kwinaliti. UHenry Schein unikezela nge-autoclavable, iisirinji ezinqwenelekayo zensimbi engenasici kuzo zombini iinaliti zetsimbi kunye neplastiki. Bhrawuza izibonelelo zethu zesirinji enqwenelayo ehambelana neemfuno zakho zokuthomalalisa amazinyo.