Why Are My Dentures Loose? 6 Common Causes and How to Fix Them

6 Causes of Loose Dentures and How to Fix Them!

Loose dentures are one of the most common denture problems that denture wearers experience. The slipping, the soreness, and the constant readjusting can feel exhausting. Whether you’re new to dentures or have worn them for over a decade, know that a poor fit always has a cause and a fix. Learn why dentures get loose, what your dentist or denturist can do about it, and how Shreve Denture Clinic provides proven denture problems and solutions for patients across Leamington and Essex County.

How to Tell If Your Dentures Are Loose

Dentures that fit properly should feel stable all day long. They should not wiggle, cause sore spots, or require heavy amounts of adhesive. If your dentures were not properly fitted from the start or have shifted over time, you will notice clear warning signs.

Watch for these common issues:

  • Your dentures slip out of place when you eat, speak, or laugh
  • You hear clicking sounds when you move your jaw
  • Food gets trapped between your dentures and gums on a regular basis
  • You use your tongue to hold your dentures in position throughout the day
  • Mouth sores develop along your gum line from constant pressure points
  • You rely on more and more adhesive just to keep your dentures stable

These are common problems with dentures that signal it is time to make an appointment with your denturist. Acting early can prevent further bone loss and help ensure your dentures continue to feel comfortable.

6 Common Causes of Loose Dentures

The common reason for loose dentures usually comes down to changes inside the mouth, not a flaw in the dentures themselves. Here are six causes behind most denture issues.

1. Bone Resorption (Shrinking Jawbone)

Bone resorption is the most common reason dentures become loose. After missing teeth are extracted, the jawbone stops receiving the stimulation it needs to stay strong. Over time, the bone gradually shrinks. This shrinkage causes dentures to fit less securely each year, creating gaps between the denture base and oral tissues. A dentist or denturist can track these changes in the gums during regular checkups and recommend solutions before the fit becomes a real problem. Learn more about how bone loss affects denture fit.

2. Natural Aging and Gum Changes

Your mouth adjusts to the new reality of life without natural teeth, and that process never fully stops. Gum tissue can swell, thin, or change shape as you age. These shifts reduce the seal between the denture and the gum ridge, especially in the lower jaw where there is less surface area. The lips, tongue, and cheek muscles also adapt, and as ridges shrink, surrounding muscles can push the denture out of position.

3. Denture Wear and Tear

Dentures are made from durable acrylic, but years of daily use take a toll. The base material can warp, thin out, or develop small cracks. The denture teeth also wear down over time, which shifts how your upper and lower dentures meet when you bite. An uneven bite puts extra pressure on certain areas of the gum tissue and makes poorly fitting dentures feel even worse. Your dentist will likely recommend replacing dentures every five to ten years, depending on wear and oral health changes.

4. Significant Weight Loss

Rapid or significant weight loss changes the shape of your face, cheeks, and gum tissue. The fatty tissue that helps support your dentures shrinks along with the rest, leaving gaps where the base no longer contacts the gums fully. Patients who lose weight quickly often find their dentures may feel suddenly loose. A denture reline can restore a better fit without the expense of a full replacement.

5. Improper Initial Fitting

Sometimes dentures feel loose within weeks of being delivered. This can happen when the initial impression was not accurate or the mouth healed faster than expected after extraction. New denture wearers often notice the fit changing as the mouth adjusts to the new appliance during the first few months. If your dentures have never felt right, your denturist can adjust your dentures or perform a reline. Read about what to expect at a denture fitting appointment.

6. Dry Mouth (Xerostomia)

Saliva creates a thin film between the gums and denture base that produces natural suction. Dry mouth weakens this grip and allows dentures to shift. Medications for blood pressure, allergies, and depression are frequent causes of dry mouth. Staying hydrated helps, but if the problem continues, talk to your dentist about other options. Ill-fitting dentures combined with dry mouth can cause painful sore spots and make eating difficult.

How to Fix Loose Dentures

The right solution depends on the cause and how old your dentures are. Your denturist can evaluate the fit and make a recommendation based on your situation. Here are the most common fixes.

Denture Reline

A reline adds fresh material to the inside of the denture base, filling the gaps caused by bone resorption or gum recession. This simple procedure helps dentures fit well again and is one of the most affordable options. Shreve Denture Clinic offers both hard relines and soft relines for patients with tender gums. Scheduling a reline every one to two years will help ensure that your dentures fit properly as your mouth continues to change.

Denture Rebase

A rebase replaces the entire base of the denture while keeping the original teeth intact. This is a good option when the denture teeth are still in solid condition but the acrylic foundation has warped or cracked beyond what a reline can correct.

Denture Adjustment

Ill-fitting dentures can cause pain or soreness in specific spots. A targeted adjustment can fix this. Your denturist will trim high spots, smooth rough edges, and correct the bite so pressure is spread evenly. This quick fix eliminates painful pressure points and can make your dentures feel like new.

Denture Adhesive (Temporary Fix)

Denture adhesives may provide short-term stability while you wait for a professional appointment. Adhesive should never serve as a permanent fix for a bad fit. Relying on large amounts to hold poorly fitting dentures in place can hide serious problems and make the underlying issue worse. Always clean your dentures properly with a non-abrasive denture cleaner before applying any adhesive.

Implant-Supported Dentures

For a permanent solution, implant-supported dentures anchor the prosthesis directly to the jawbone. This eliminates slipping entirely, and dentures provide the most stable, natural-feeling result available. Implants also stimulate the bone to slow resorption, which means your new set stays secure for much longer. Patients who want dentures that look natural and feel like natural teeth often choose this option.

Full Denture Replacement

If your dentures need replacing after five to ten years of use, creating a new set of dentures from current impressions will match the present shape of your mouth. Having dentures made from fresh measurements delivers the snug, comfortable fit you deserve. New full dentures also give you a new smile that reflects your current facial structure.

Caring for Your Dentures to Prevent Loosening

Proper care goes a long way in keeping your dentures secure and extending their lifespan. Keep your dentures clean by brushing them daily with a soft brush. Avoid dropping dentures on hard surfaces, as even a small crack can change the fit. Remove them at night to give your oral tissues time to rest and support good oral health. Regular visits allow your dentist to spot changes in gum shape early and address fit issues before they grow. For a full guide, read how to properly care for your dentures.

Restore Your Comfort at Shreve Denture Clinic

Living with loose dentures affects your ability to eat, speak, and enjoy everyday moments. Dentures can cause real frustration, but the right professional can find the problem and fix it quickly. Whether you need a reline, an adjustment, an implant solution, or a new set of dentures, Shreve Denture Clinic delivers properly fitted results you can count on. With over 85 years of combined dental experience and a focus on personalized care, our team helps every patient achieve dentures that fit well and look natural.

Contact us today at 1-519-322-5900 to book your free consultation and make an appointment at our Leamington clinic.

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Dentist/Owner

Kristin Shreve Swayze, DD

Kristin has been in the dental field for over 17 years which began with her joining a local denture practice which she eventually purchased in 2010 and with that Shreve Denture Clinic was born.

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Natalie Leamington Denturist

Natalie Kindiak, DD

Denturist

Natalie has had an interest in the dental field since a young age. She graduated from the University of Windsor in Biology and Biotechnology, and from George Brown College in Denturism. She has been working as a denturist for the last 5 years, creating dentures and gaining valuable clinic experience.

She loves being able to show her artistic and creative abilities, while being able to help patients regain their confidence at the same time. Not too long after entering the program did she begin to thoroughly enjoy the practice and art of denturism.

When she’s not making dentures, she is the choreographer and artistic director for the Windsor Barvinok Ukrainian Dance Ensemble. She loves to play volleyball and spend time with her partner Simon and their farm animals.

Natalie enjoys being able to learn and work alongside Kristin as an associate denturist at Shreve Denture Clinic. She is extremely dedicated to her craft and is looking forward to providing great denture services to her patients.

Shelly Basden

Office Manager

Shelly, our Office Manager, joined our team after graduating from the Medical Office Assisting program in 2022. She brings a tremendous amount of experience as she managed our local M&M Food Market for 22 years as well as holds a degree in Office Administration.

She is the first face you see when you walk in our doors, she keeps us all organized and is continually busy creating new and creative ways to improve our care for our patients.  She looks for ways through social media to inspire a welcome change to connect with our patients.

Shelly, who resides here in Leamington, is married to her long-time partner Joe and together they have four children and a feline companion, Noel.  Shelly enjoys travelling and spending time with her family. In her spare time, she enjoys spending time in her backyard where her and her husband have created an outdoor oasis!

When asked what she loves most about working at Shreve Denture Clinic, Shelly stated that she appreciates that the denturists make everyone feel so welcome and comfortable visiting their office. Working at Shreve Denture Clinic has been life changing for her and she couldn’t ask for a better place to work.

Joanna Leong, R.D.T.

Laboratory Technician

Joanna started her career in dental technology at George Brown College. She found that the program combined her passion for arts and science, and still loves the work she does. She is the one person that you don’t usually see when you visit us here at Shreve Denture Clinic, but without her, you would never have the beautiful smile you deserve.

She’s been in the dental field for 23+ years, including owning her own lab and keeping up to date by attending many seminars throughout her career. We have had the pleasure of having Joanna on our team for the past two years.

Joanna is happily married to her husband, Carl and resides here in Leamington. She has a passion for baking, cooking and animals of any kind. Joanna is adored by her family kitten, Catrina and has a knack for building strong relationships with the neighborhood cats.

Joanna shows a lot of pride in her work and is extremely meticulous. She never lets one case go without paying attention to all the fine details. She works hard to ensure each patient that we treat is happy. When asked why she enjoys working here at Shreve Denture Clinic, Joanna states “I appreciate how Kristin and Claudia take their time with each patient to ensure each case is done properly, which allows me to complete my work to the high standards we strive for.

Kristin Shreve Swayze, DD

Denturist/Owner

When Kristin was just a teenager contemplating her future, she wanted a career that would give her a challenge as well as the opportunity to work closely people. After attending high school in Chatham, Ontario Kristin decided to attend the Dental Assisting program at Fanshawe College. After receiving her certification from Fanshawe in 2003, Kristin then went on to specialize and attended the Denturism program at George Brown College, graduating in 2006.

Kristin has been in the dental field for over 17 years which began with her joining a local denture practice which she eventually purchased in 2010 and with that Shreve Denture Clinic was born. She has since expanded the practice and has hired three employees as well as an associate denturist. Kristin can also offer her patients expert advice for all their dental implant needs and is deeply passionate about bringing advanced yet affordable implant solutions to her patients. Between Kristin and her team, Shreve Denture Clinic now has a combined 85 years of dental experience.

Kristin and her husband Kris have been married for 9 years and they are proud parents of an adorable 1-year-old boy named Kerrigan and an energetic dog named Dexter. Kristin is an avid football fan and enjoys attending games and spending time travelling with her family.

Kristin strives to provide a positive experience for all of her patients and ensure they feel welcome and comfortable while in the dental chair. When asked what she loves most about working with her patients, she said “I love being able to give my patients back their confidence through their smile. It is such an amazing feeling when someone says that their life is better because of their dentures”.