As Australia’s local Dentist, Pacific Smiles Dental has over 110 centres to allow convenient access to the dental services you need.
Published on July 15, 2026.
Last reviewed on July 15, 2026
by Pacific Smiles Dental.
We will let you in on a little Pacific Smiles secret: one of the most common questions we hear at dental practices across Australia isn’t, ’will this hurt?’ (though we promise to always keep things comfortable!). The question that really tops the list, is whether my old fillings need replacing.
It’s a great question, and the answer totally depends on their condition. So, what should you look out for and when it might be time for a filling refresh.
Signs your filling needs attention
Your fillings work hard to protect your teeth, but they don’t last forever. Here are some telltale signs that yours might need replacing:
Visible damage is often the most obvious clue. If you can see cracks, chips, or gaps around your filling, then it’s definitely time for a check-up. These openings can allow bacteria to sneak in and cause decay beneath the filling.
Tooth sensitivity that’s new or getting worse can indicate your filling isn’t sealing properly anymore. If you’re pulling funny faces when sipping your favourite hot latte or consuming a cold ice cream, then your tooth might be trying to tell you something.
Pain when biting down is another red flag. A compromised filling can create pressure points or expose sensitive areas of your tooth, making chewing meals uncomfortable.
Discoloration around the filling or changes in your tooth’s colour can signal problems brewing underneath. Dark spots or staining might mean decay is developing where you can’t see it.
Roughness you can feel with your tongue often means the filling is wearing down or breaking apart. That smooth surface should stay smooth!
How long do fillings last?
Depending on care and conditions dental fillings can last anywhere from 5 to 15 years, depending on the type of material used and your individual habits. Things like teeth grinding, diet, and oral hygiene all play a role in how long your fillings hold up.
This is why regular dental check-ups are so important. Your dentist can spot early warning signs during routine examinations; often before you notice any symptoms yourself. Catching issues early means simpler, less extensive treatments down the track.
Timely filling replacement does matter
Replacing worn-out fillings isn’t just about aesthetics (though we have to admit, modern filling materials do look fantastic!). It’s crucial for your overall oral health.
When old fillings aren’t replaced in time, you risk complications like persistent pain, further tooth decay, or even tooth loss.
By staying on top of filling maintenance, you’re protecting your teeth, maintaining comfort, and the biggest thing here, avoiding more complex dental work in the future.
A good way to compare, it’s a bit like getting your car serviced on a regular basis, minor repairs and maintenance now can prevent bigger problems later.
What about amalgam fillings?
If you have older silver (amalgam) fillings, you might be wondering whether they need special attention. Over time, these metal fillings can corrode, crack, or cause tooth discoloration due to the material’s natural expansion and contraction. In some cases, decay can develop underneath without you even realising.
However, if your amalgam fillings are still intact and functioning well, your Pacific Smiles dentist generally won’t recommend removing them just for the sake of it.
Unnecessary filling removal can actually cause more harm than good. The key is having them regularly monitored so your dentist can make informed recommendations based on their actual condition.
Your smile deserves the best care
At the end of the day, looking after your fillings is part of looking after your overall dental and mouth health. Regular check-ups, good oral hygiene habits, and addressing issues promptly all contribute to keeping your smile healthy and comfortable for years to come.
If you’re concerned about any of your fillings or it’s been a while since your last check-up, don’t hesitate to book an appointment. Your dentist is there to help you maintain your dental health and can answer any questions you might have about your specific situation.
We will leave you with this thought, taking care of your teeth is an investment in yourself and Pacific Smiles are here to support you every step of the way!
If you want to find out more about replacing your old fillings and brightening your smile, make an appointment with a Pacific Smiles dentist today.
