Why Won’t My Denture Fit?
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- May 26, 2025
Creating a well-fitting, well-functioning denture is no easy task. Success depends on multiple factors: the skill and technique of the dentist, the quality of the dental lab’s work and materials, and the condition of the patient’s mouth—particularly the amount of remaining bone structure.
Patients with significant bone loss face a greater challenge, as there is less surface area for the denture to rest on and adhere to. A few key techniques can greatly improve the fit and function of dentures, and one of the most important is border molding during the impression phase. Border molding involves placing a thicker, more pliable material along the edges of the impression tray. This captures a more precise mold of the mouth’s soft tissue edges, improving suction and ensuring that the final denture moves naturally with the patient during talking, chewing, and daily function—without pinching or discomfort.
Another critical step in creating a high-quality denture is establishing a proper occlusion, or bite relationship, before the denture is fabricated. Ideally, this is done using a centric relation bite, which places the jaw in its most balanced and harmonious position. From there, the teeth are designed to align with that optimal jaw relationship. This step requires advanced training on the dentist’s part and a high level of technical precision from the dental lab to replicate it accurately in the final product. With the advent of digital dentures we can now create a more precise occlusion without the need for multiple try-in appointments.
Unfortunately, these more detailed techniques are not always covered by insurance, which is why many dentures are made with shortcuts that sacrifice comfort and function. This is especially problematic with lower dentures, which are inherently more unstable than upper dentures. The tongue often lifts and displaces lower dentures while eating or speaking, making them difficult to keep in place.
In addition, extensive bone loss—common in long-time denture wearers—can severely limit the structural support available for a traditional denture. In these cases, even a perfectly crafted denture may not provide the retention and stability needed to eat comfortably or speak confidently.
For these patients, implant-supported dentures are usually the best solution. Implants provide a stable foundation that prevents movement and enhances function. There are two main options:
- Removable implant-retained dentures – These snap onto implants for extra support and can be removed by the patient for daily cleaning.
- Fixed implant-supported dentures – These are permanently attached to the implants and can only be removed by your dentist, typically every few months for maintenance.
Implant-supported dentures offer the most natural feel and function, along with the added benefit of preserving bone, which continues to resorb over time without stimulation from tooth roots or implants.The bite force with implant supported dentures also more closely mimics that of natural teeth. This can allow for mastication of more solid foods ensuring proper calorie maintenance and a better quality of life.
The main downside is cost. Implants are rarely covered by insurance and significantly increase the total expense. However, many patients find the added comfort, function, and quality of life well worth the investment—especially when the goal is to restore as much natural function as possible.
If you’re struggling with the fit of your denture, talk to your dentist about whether implant support or improved impression techniques could make a difference in your case.
- About the Author
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Dr. Andrew Higgins is a dedicated and highly skilled dentist committed to providing high-quality, patient-centered care. A graduate of Virginia Commonwealth University School of Dentistry , Dr. Higgins further honed his expertise through an Advanced Education in General Dentistry residency in the United States Navy. As a Naval officer, he served seven years delivering dental care to military personnel at home and abroad. After his time in service Dr Higgins practiced in Washington State and Orange County providing general dental care for families as well as quality cosmetic procedure. Most recently he acted as a hospital attending at the Department of Veterans Affairs, continuing his mission of excellence in dental care for fellow veterans.
With a passion for lifelong learning, Dr. Higgins stays at the forefront of the latest advancements in dentistry to offer state-of-the-art treatments. His expertise includes full-mouth rehabilitation, veneers, white tooth-colored fillings, and high-technology dentistry. A strong advocate for conservative dental care, Dr Higgins focuses on minimally invasive techniques to preserve and enhance their patients’ oral health. Above all, he is dedicated to creating a comfortable and stress-free experience for every patient.
Outside of dentistry, Dr. Higgins enjoys weight training, playing piano , and exploring the outdoors with his husband. An avid traveler, he loves discovering new places and cultures. At home, they cherish their time with their three beloved dogs—two Labradors and a Boxer.
