the bubble which you are feeling on gum lines may most likely be a peri- apical sinus in relation to some decayed molars. Alternatively it may also be a periodontal sinus due to periodontal problems causing food accumulations in soft tissue
) around the tooth and subsequent infections.
However, some decayed molar and subsequent peri apical infection
with draining siunus seems to be more abvious reason. Kindly visit the dentist
and seek his opinion and possibly a radiograph also, which can exactly localize the source of pus.
Lastly this problem won't be corrected just by brushing thrice or by use of mouthwash. you must seek an opinion from a dentist with a thorough examination. BY the time You can have Antibiotics
LB 500 mg along with FLAGYYL 400 mg, both to be taken twice a day for at least 3 to 5 days after having food