HELLO AND WELCOME,
the bump may be due to accumulation of plaque and food debris b/w the teeth.
there may be bone loss and periodontal pocket
too.periodontal destruction and gingivitis cause bleeding gums.
visit a dentist
and get deep scaling and root planning done.
get an x-ray and if there is severe bone loss,bone grafting
has to be done.
if tooth is mobile ,inter dental wiring/splinting has to be done.
use soft-interdental brush
and dental floss to clean interdental areas.
mouthwash to prevent accumulation of bacterial flora.
clean your mouth after every meals.brush your teeth twice daily.
take tab.doxycycline-100 mg,once daily for 7 days to make gingiva intact,firm and resilient.