hello and welcome,
are due to inflammed gums or gingivitis.
heavy calculus or plaque gets deposited in between your teeth.there is pseudopocket,loss of epithelial attachment and periodontal destruction with bone loss.
gums are soft and swollen due to inflammation.
visit your dentist
and get deep scaling done.root planning and curettage can be done in required teeth.
pus has to be drained out using gracey curettes if present.
can be done in case of teeth with bone loss.
sore mouth ulcers are aphthous ulcers
and it can be treated by-
tab.flanzen-10 mg,thrice daily for 3 days
tab.wysalone-5mg,thrice daily for 3 days
use soft interdental toothbrush and dental floss to clean your teeth
make sure your brush touches all aspects of teeth.
mouthrinses and saline gargle frequently.
take tab.doxycycline-100 mg once daily for 7 days,to make your gums intact,firm and resilient.