Let’s face it—no one gets excited about cavities. But if you do need a filling, the material used can make a big difference. From appearance to durability and even cost, choosing between a silver filling vs a white filling isn’t always simple. So, which is right for you?
Let’s break it down.
White fillings, or composite white fillings, are made from a mix of plastic resin and finely ground glass particles. That may sound high-tech—and it is. This combination allows dentists to shape and colour-match the material to your natural teeth for a nearly invisible result.
They’re applied in layers, then hardened using a special curing light. The result is a strong bond that restores the tooth’s shape and function while maintaining a natural look.
Why people love them:
Silver, or amalgam fillings, have been used for more than a century. They’re made of a mix of metals including silver, mercury, tin, and copper. That may sound a bit old-school, but amalgam is still known for being incredibly durable, especially in back teeth that take the most pressure when chewing.
Why were they used so widely?
Here’s a look at the differences between silver fillings vs white fillings:
Feature |
White (Composite) Fillings |
Silver (Amalgam) Fillings |
What are fillings made of |
Plastic resin + glass particles |
Mercury, silver, tin, copper |
Aesthetic appeal |
Tooth-coloured; blends in naturally |
Noticeable metallic look |
Durability |
Strong, but may wear down in heavy pressure areas |
Extremely durable, ideal for molars |
Application process |
Applied in layers, cured with light |
Placed as a single filling |
Tooth preservation |
Requires less removal of healthy tooth |
May require more removal |
Cost |
Typically more expensive |
More affordable |
How long do white fillings last |
7–10 years or more with good care |
10–20+ years |
One of the biggest concerns with amalgam fillings is the mercury content. And it’s a fair question: is it dangerous?
The answer: not for most people. According to the FDA, dental amalgam is safe for use in adults and children over age 6. The small amount of mercury is bound in a stable alloy, and only trace vapour is released during chewing.
That said, certain people—like pregnant women, nursing mothers, and those with mercury sensitivities—may want to opt for composite instead.
Should you replace old amalgam fillings?
Only if necessary. If your fillings are in good shape and not causing issues, it’s best to leave them alone. If removal is needed, your dentist can safely replace them with composite using proper isolation and suction techniques.
There’s no one-size-fits-all answer when choosing between a silver filling vs white filling. Here’s a general guide:
Insurance coverage can also sway your decision. Some plans may cover white fillings only in front teeth or pay partially for molars. Always check with your provider.
Dentistry is constantly evolving, and yes, mercury-free materials are becoming the new standard. New options, like ceramic inlays, resin-based composites, and even bioactive materials, are showing promise. These materials not only repair teeth but also help protect them from future decay.
As Dr. Amir Guorgui from Barrie Smile Centre explains:
"At Barrie Smile Centre, we believe in tailoring dental treatments to each patient's unique needs. Whether choosing between composite or amalgam fillings, our goal is to ensure optimal oral health and patient satisfaction."
At Barrie Smile Centre, we proudly offer composite white fillings that look great and last. Our approach uses the latest technology to ensure your fillings are placed safely, comfortably, and with lasting results.
Whether you’re replacing an old filling or treating a new cavity, we’ll help you choose the best dental filling for your needs—no guesswork, just expert advice.
Q: What are fillings made of?
A: Composite (white) fillings use resin and glass; silver fillings use mercury, silver, and other metals.
Q: How do fillings work?
A: Fillings restore a decayed or damaged tooth by sealing the area and preventing further decay.
Q: Are fillings permanent?
A: Not quite. Fillings are long-lasting but may need to be replaced over time due to wear or damage.
Q: How long do white fillings last?
A: Typically 7–10 years, but with good care, they can last longer.
Q: Silver filling vs white filling—what’s better?
A: It depends! White fillings look better, while silver ones may last longer in back teeth.
Q: Silver fillings vs white fillings—what do most people choose today?
A: Many patients now prefer white fillings for cosmetic reasons, especially in visible teeth.
Q: What is the best dental filling?
A: The best dental filling is the one that suits your tooth’s location, your lifestyle, and your personal preferences. Your dentist can help guide you.
References:
The Barrie Smile Centre is the best dental office I've ever been to. The staff is very friendly,professional and knowledgeable. They take away any anxiety and fear of going for a procedure. I highly recommend them!
Very clean, professional and friendly! They have done lots of work for me including 2 implants. I highly recommend them!
Very clean, professional and helpful. 2 other dentists previously tried to fix my composite veneer and both times it look awful and/or was the wrong colour. One trip here and everything was fixed!
Very friendly, helpful staff. Makes you feel welcome as soon as you enter. I needed a tooth removed and got in the same day I called. When I arrived I didn’t have to wait. I have numerous problem with my teeth and they came up with a solution. Thank you all so much.
Just got home from the Smile Centre and I'm thrilled with my results. Had Zoom whitening, and it was better than I expected. The attendant took the time to explain everything super thoroughly. She warned I may have sensitivity but so far so good. I wish I did it ages ago.
The first thing I noticed upon entering the building was the beautiful design plan and lovely staff. I was greeted at the door and made comfortable throughout my entire experience. Everything was explained to me in detail and the staff always made sure I fully understood. This is an amazing office and I would 10/10 recommend it!!
Amazing fast clean attentive friendly ! Im sold! Thankkk youuuuu guys !!!!!!! Had a wisdom.tooth taken out under sedation! All.went perfect and you guys were awesomee!
Every time I go to the Smile Centre in Barrie it’s an amazing experience! Everyone from the admin staff to the dentists are so helpful. Not only do they tell you your options (in my case options for a missing tooth), but they also explain the pros and cons of every option. I highly recommend the Smile Centre
Barrie Smile Centre is truly amazing I called and had an issue with with some tooth pain they were able to fit me in same day which I was truly grateful for. All the staff are kind and professional they truly care about there patients. Big thank you to Dr.Eisen for being so kind and helping me in this situation. I highly recommend Barrie Smile Centre 😃 Thanks again
Great family dentist, has always been on time for appointments. Doing a great job during these times with cleanliness as well! Very professional staff!