hello and welcome,
have you got your mouth checked with dentist?check whether your gums are affected by gingivitis?bleeding gums
are usually associated with gingivitis.
get your teeth cleaned by your dentist.if tooth is decayed,get it filled.
if there is bone loss or pocket associated,root planning,curettage and tissue bone grafting
should be done.
try to maintain good oral hygiene.
use soft-bristled interdental brush
and tongue cleaner to clean your teeth.
check also whether there is inflammed flap,ie,pericoronitis
associated with your impacted wisdom tooth
.then operculectomy or extraction of tooth has to be done.
in such cases headache and fever occurs.
check also for sinusitis is associated.always take hot food and fluids.also gargle your mouth with warm saline rinse.