Loose Dentures are due to two reasons -
1. Dentures being old
2. Poorly fitting Dentures
3. Over extending Dentures
In first two situations new Dentures have to be made. If the problem is as per 3rd point, the Dentures have to be trimmed and adjusted.
Next Steps
in any of the above case scenario visit a dentist to get it rectified. you may come to my clinic as well
Health Tips
using a powder or cream to retain a loose denture in mouth will cause the bone to Dissolve fast. it is not advisable.