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Dentures stay in place from many factors but the main one is a suction seal. There are reasons why some dentures stay better.
Anatomical structures in the mouth that are not adequate will not support dentures well. The main issue we see is a poor lower ridge. This does not allow the denture to be stable on the lower.
Other factors are dry mouth, which can be caused by over 80% of medications. Without saliva the suction will not occur.
Most complete dentures stay in place by closely fitting to the underlying gum and bone tissue with a thin layer of saliva between your gums and the denture. The more surface area, the better the seal. This is why upper dentures tend to have fewer problems than lower dentures.
Partial dentures usually have arms called clasps that hug the tooth to keep it in place. Because our teeth have roots, partial dentures tend to be a bit steadier in the mouth than complete dentures are.
If you don't have any of your own teeth to help retain a denture, you can get dental implants and attach a denture to them.
Different types of dentures stay in place in different ways. All dentures are custom-made to fit your mouth, so they conform perfectly to the shape of any existing teeth and gums. Complete dentures stay in place because they are molded to fit the gum and bone ridges in your mouth. Also, your mouth muscles subconsciously adjust to having dentures there and work to hold them in place. Lower complete dentures are a bit harder to keep in place because of the tongue, so overdentures (dentures attached to existing natural teeth roots or implants) are often recommended if possible. Partial dentures are held in place using metal clasps that attach to natural teeth on both sides of the jaw.
This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.