Hello sir ,
Gum pain is due to gingivitis gum inflammation which may further lead to periodontitis, gingival abscess, or due to dental caries which has formed a sinus tract , also due to ulcer.
Please consult a dentist if it is due to gingivitis scaling is required ,
Or treatment according to the cause has to be done.
If ulcer Dolo gel has to be applied 4 times a day ,and
vitamin B Tablets has to be taken.