Part of Saint Visage Dental Group
Are Composite Fillings Strong?

Are Composite Fillings Strong?

Today, I want to talk to you about something that’s quite common but often misunderstood: composite fillings. You might have heard about these dental wonders, but you might be wondering, “Are composite fillings strong?” Well, let me share some insights and answers in a straightforward and easy-to-understand manner.

What Are Composite Fillings?

First things first, let’s get familiar with what composite fillings are. These fillings are used by dentists to repair teeth that have been damaged by decay, cracks, or fractures. They’re called “composite” because they’re made from a mixture of materials, typically a combination of plastic and fine glass particles.

The Strength of Composite Fillings

Now, the big question: Are composite fillings strong enough to withstand the everyday demands of chewing and biting? The short answer is yes, they are quite strong. But let’s delve a bit deeper to understand why.

Material Matters

One of the key factors contributing to the strength of composite fillings is the materials used. These fillings are made with a resin that bonds tightly to your tooth structure. This strong bond adds durability to the filling, making it capable of withstanding the forces generated during chewing.

Custom-Made for You

Another reason for the strength of composite fillings is their customizability. When your dentist places a composite filling, they sculpt and shape it to match the exact contours of your tooth. This snug fit ensures that the filling can evenly distribute the pressure from your bite, making it more resilient.

Natural Look and Feel

Composite fillings also mimic the appearance of your natural teeth. They can be shaded to match the color of your existing teeth, making them virtually invisible. This aesthetically pleasing aspect is a result of the materials used and adds to their appeal.

A Word of Caution

While composite fillings are indeed strong, they might not be the best choice for every situation. For very large cavities or teeth with excessive wear and tear, alternative materials like amalgam (silver) or crowns might be more suitable. Your dentist will assess your specific needs and recommend the best option for you.

Longevity and Maintenance

Now, let’s talk about how long you can expect your composite fillings to last. The lifespan of a composite filling can vary from person to person, depending on factors like oral hygiene and the location of the filling. On average, they can last anywhere from 5 to 15 years or even longer with proper care.

Taking Care of Your Composite Fillings

To maximize the longevity of your composite fillings, it’s crucial to maintain good oral hygiene. Brush your teeth twice a day, floss regularly, and visit your dentist for routine check-ups. Avoid biting down on hard objects like ice or using your teeth to open packages, as this can damage the filling.

So far, we’ve explored the strength of composite fillings and their materials. Now, let’s discuss their application process.

The Application Process

When you go to the dentist to get a composite filling, here’s what you can expect:

Cleaning and Preparation

The dentist will start by numbing the area around the affected tooth to ensure you’re comfortable during the procedure. Then, they’ll remove the decayed or damaged part of your tooth using a drill or other dental tools.

Bonding and Filling

Next, the dentist will apply an adhesive material to your tooth. This adhesive helps the composite resin bond securely to your tooth. The resin is then applied in layers and shaped to match your tooth’s contours.


To harden the composite material, the dentist uses a special curing light. This process ensures that the filling becomes strong and durable in a matter of seconds.

Final Shaping and Polishing

Once the filling is hardened, the dentist will make any necessary adjustments to ensure a comfortable bite. They will also polish the filling to match the sheen of your natural teeth.


So, there you have it, a clear and easy-to-understand explanation of composite fillings and their strength. In summary, composite fillings are indeed strong and can withstand the rigors of everyday use. However, their longevity depends on various factors, including how well you take care of them.

If you ever need a dental filling, remember that composite fillings are a reliable choice. They not only restore the strength and function of your tooth but also maintain its natural appearance. Just remember to maintain good oral hygiene and follow your dentist’s recommendations for long-lasting results.

I hope this article has answered your question about the strength of composite fillings in a way that’s easy to grasp. 

For more information Click here….