I have glass in my finger?!?!?

a few months ago we were doing an experiment in science using microscopes. the microscpe cver slides were made of VERY thin glass.

well i was holding one of those and i accidentaly tripped and smushed it into my finger.

i was pretty sure that i got all of it out and my teacher said that if i didn’t the glass would work its way out eventually anyway.

now my finger is healed but there is still a large bump on it and whenever i touch it it REALLY hurts.

i think that there is still some glass in there. what should i do?