“Why do my dentures keep cracking?” or “How long are dentures actually supposed to last?” If you’ve typed something like that into Google, you’re not alone.
A lot of denture wearers assume their dentures are faulty when really, it’s small everyday habits doing the damage.
TLDR: Dentures usually last five to eight years, but poor cleaning habits, skipping check-ups, using the wrong products, and ignoring fit issues can wear them out much faster. Most of these mistakes are easy to fix once you know what to look for.
Why Dentures Wear Out Faster Than Expected
Dentures are built to handle daily wear, but they’re not indestructible. The materials used, whether acrylic or a metal framework, respond to how they’re cleaned, stored, and used every single day.
Small mistakes don’t cause obvious damage overnight. They add up over months, which is why so many people are caught off guard when their dentures suddenly feel loose, look worn, or crack unexpectedly.
How Long Should Dentures Actually Last?
Most well-maintained dentures last somewhere between five and eight years. After that, the shape of your gums and jawbone naturally changes, which affects the fit regardless of how well you’ve looked after them.
If yours are wearing out well before that timeframe, a maintenance mistake is often to blame rather than the dentures themselves.
Signs Your Dentures Are Deteriorating Early
- Visible cracks, chips, or rough patches
- A looser fit than when you first got them
- Discolouration that won’t clean off
- Bad breath or a persistent odour despite cleaning
- Sore spots or irritation that wasn’t there before
Cleaning Habits That Damage Dentures
Cleaning is where most of the damage actually starts. It seems harmless, but the wrong products or technique wear dentures down faster than normal daily use ever would.
Using the Wrong Toothpaste or Brush
Regular toothpaste is often too abrasive for denture material. It creates tiny scratches on the surface, and those scratches trap bacteria and stains over time.
A soft-bristled brush and a cleaner made specifically for dentures is a much safer bet. Ordinary toothbrushes with firm bristles can also wear down the surface faster than you’d expect.
Cleaning Over a Hard Sink
This one catches people out constantly. Dentures are surprisingly fragile when dropped, and a hard porcelain or stainless steel sink offers zero cushioning.
Placing a folded towel in the sink or filling it with water first gives you a buffer if they slip out of your hands.
Skipping Daily Soaking
Dentures need moisture to hold their shape. Letting them dry out, even overnight, can cause warping that affects how they fit the next day.
Soaking them in the right solution overnight keeps them clean and helps maintain their original shape for longer.
Everyday Habits That Shorten Denture Lifespan
It’s not just cleaning. A lot of the wear and tear happens through habits that have nothing to do with hygiene at all.
Sleeping in Dentures Every Night
Wearing dentures around the clock puts constant pressure on your gums and doesn’t give your mouth tissue a chance to recover. It can also speed up bone loss underneath the denture.
Taking them out overnight is one of the simplest habits that protects both your gums and the dentures themselves.
Eating Habits That Cause Extra Strain
- Biting into hard foods like nuts or ice
- Chewing sticky lollies or caramel
- Using your dentures to open packaging
- Eating very hot food straight after it’s cooked
Cutting harder foods into smaller pieces takes the pressure off your dentures and reduces the chance of cracks forming.
Ignoring a Change in Fit
Gums and jawbone shift over time, and a denture that fit perfectly a year ago might now be sitting loosely. Wearing an ill-fitting denture without getting it adjusted causes uneven wear and sore spots.
It also puts strain on the denture material as it flexes in ways it wasn’t designed to.
Storage and Handling Mistakes to Avoid
How you store dentures when they’re not in your mouth matters just as much as how you clean them.
Using Hot Water
Hot or boiling water can warp denture material permanently. Lukewarm water is all you need for cleaning or rinsing.
Leaving Them Somewhere Dry
Dentures left out in the open air, especially overnight, can dry out and lose their shape. A denture bath or a glass of water with the right soaking solution is a much safer option.
Using Household Cleaning Products
Bleach, dish soap, and other household cleaners are too harsh for denture material and can damage both the surface and any metal clasps. Stick to products designed specifically for dentures.
When Professional Help Makes a Difference
Even with great home care, dentures need professional attention from time to time. Small issues are far easier and cheaper to fix early than after they’ve caused bigger problems.
Repairs Versus Replacement
A small crack or chip can often be repaired quickly, but delaying it usually turns a simple fix into a full replacement. If your dentures feel different in any way, it’s worth getting them checked rather than waiting it out.
Relines and Adjustments
As your gums change shape, a reline adjusts the fit of your existing dentures without needing a full replacement. It’s a straightforward way to extend the life of a denture that’s otherwise in good condition.
Dentures Not Feeling Quite Right?
If your dentures aren’t feeling quite right, or you’ve noticed any of the signs mentioned above, it’s worth having them checked before a small issue becomes a bigger one.
The team at South Coast Denture Clinic can assess the problem and let you know whether a simple adjustment or repair could restore your comfort. Book an appointment today.
Key Takeaways
- Dentures typically last five to eight years with proper care
- Regular toothpaste and hard-bristled brushes damage denture material
- Cleaning over a towel or water-filled sink prevents costly drops
- Dentures should be soaked overnight, not left out to dry
- Sleeping in dentures speeds up gum and bone changes
- A change in fit needs professional adjustment, not tolerance
- Hot water and household cleaning products can warp or damage dentures
- Small repairs done early prevent the need for full replacement
FAQ
Can a cracked denture still be worn safely?
A small crack might seem manageable, but it can worsen quickly under normal biting pressure. It’s best to have it looked at before it breaks further or causes an uneven fit.
Is it normal for dentures to feel loose after a few years?
Yes, this is common and usually comes down to natural changes in your gums and jawbone rather than a fault with the denture. A reline or adjustment can usually resolve it.
What’s the difference between denture cleaning tablets and toothpaste?
Cleaning tablets are formulated specifically for denture material and won’t scratch the surface the way regular toothpaste can. They also help remove bacteria and odour more effectively.
Can I use denture adhesive to fix a poor fit myself?
Adhesive can offer a temporary feeling of stability, but it doesn’t fix the underlying fit issue and can mask a problem that needs professional attention. It’s better used as directed rather than as a long-term workaround.
How much does it typically cost to repair a denture compared to replacing one?
Repairs are generally far more affordable than a full replacement, especially when the damage is caught early. Costs vary depending on the extent of the issue, so it’s worth getting a proper assessment rather than guessing.