Hello, Home remedies are not effective in such cases. You need to consult your Dentist to find out the cause, it’s mainly due to an ill fitting margin causing food lodgement resulting in pain.

There is no home remedy Visit your dentist

If by fake teeth you mean dentures, then the denture may require adjustment. Please ask your treating dentist to do the same and you should feel better. You can use some OTC ointments meanwhile to reduce the discomfort. If the fake teeth are a multi-unit bridge, it may be due to infected gums or due to decay in the adjacent teeth. If the fake teeth are implants, the gun or the bone may be infected and would require immediate attention.

Cause of pain may be due to decay or periodontitis as a result of malocclusion.get your teeth cleaned and filled if necessary. Get your malocclusion corrected by orthodontic treatment.

There might be possibility of - 1.gum disease called pyorrhoea associated with fake pair of  teeth or 2. Teeth might have occlusion problem causing trouble with biting of food