Loose lower dentures are a common complaint among denture wearers. Having dentures slip during speaking, popping while eating, or come up out of the mouth while yawning or laughing can be incredibly embarrassing to someone wearing dentures. Pain associated with loose fitting dentures while eating is also something that no denture wearer wants to deal with. Making sure dentures have a proper fit is essential to their function and appearance. Ill fitting dentures are something that should not have to be tolerated and can be fixed by a dental professional.
The most common reason for loose lower dentures is the anatomy of the lower jaw. Unlike the upper jaw, the lower jaw moves up and down almost constantly while a person is awake. Talking, chewing, drinking, coughing, laughing, etc. all require the movement of the lower jaw. This constant movement often affects how a lower denture fits along the lower jaw line. Most people are able to get and maintain a good fit on upper dentures because they stay still in the mouth.
For a better fit (or “seal”) of the lower denture, often a dentist may have to perform a hard reline of the denture. A reline adapts the denture to the current ridge anatomy of the lower jaw. Since the jaw line can change over time without permanent teeth holding its shape, when the jaw line changes shape dentures lose their seal. A complete remake of the lower denture may also be an option. While dentures should last about seven years, sometimes unforeseen circumstances do not allow for that length of time.
Bodies are in a constant state of change from the time we are born until the time we die. Because of these changes, not all prosthetics can last as long as we would like for them to. There is almost always a solution to loose lower dentures, so talk with you dentist about your options.
Posted on behalf of David Kurtzman
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