Why is my denture loose???

Some Patients may  have shrinkage of their jaw bone(s) after the denture was inserted and experience lack of seal. While bone resorption may play a role, in my experience there are a number of other possible causes. 

Uneven bite is at the top of my list. If a dentures occlusion is unbalanced, when a patient closes, their denture may loosen.

Another common reason is that a patients muscle attachments are being impinged on. Muscle attachments are little bands of fibers that connect the cheeks, lips, and tongue to the jaws.

Over and under extended dentures can also cause dentures to be more likely to come loose. Under extended dentures have less surface area to help develop the adhesion to help keep a denture in place. Over extended dentures tend get dislodged by patients facial muscle movement or opening and closing.

A patient with a dry mouth may also find that their denture comes loose easily, since adequate saliva is needed for a denture to develop proper adhesion. Denture adhesives will help patients with dry mouth keep their dentures in place.

An improperly seated denture that rocks or fits the jaws unevenly will tend to get loose easily and this can be fixed by a visit to a dentist who can assess whether a denture is full seated using a cream called PIP paste.

If your denture is loose, it probably is a good idea to visit a dentist who is experienced in making and fitting dentures, in order to assess what, if anything can be done to improve your denture. Even If nothing can be done, implants often can placed and a full denture can often be modified to become an over denture that utilizes attachements that help keep a denture in place.





from Ask Dr. Spindel - http://lspindelnycdds.blogspot.com/2025/06/why-is-my-denture-loose.html - http://lspindelnycdds.blogspot.com/

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