When you need a dental filling to treat a cavity, you may be surprised to learn that you have a choice in materials. While amalgam (silver) fillings have been used for over a century, many patients and dentists today prefer tooth-colored fillings, also known as composite resin fillings, for their aesthetic and functional advantages. If you’re weighing your options, here are 5 compelling reasons to choose tooth-colored fillings over amalgam.
They Look Natural
One of the biggest advantages of tooth-colored fillings is their natural appearance. Composite resin is designed to closely match the color and texture of your natural teeth. Once placed, the filling blends seamlessly, making it nearly impossible to detect, even when you laugh or speak. This makes them a popular choice for visible areas like the front teeth or anywhere your smile shows.
Amalgam fillings, on the other hand, are silver in color and can darken over time, making them more noticeable and less aesthetically pleasing.
They Bond Directly to Your Tooth
Tooth-colored fillings bond directly to the surface of your tooth, providing added support to the remaining tooth structure. This bonding process allows dentists to preserve more of your natural tooth, as less drilling is required to place the filling securely.
Amalgam fillings don’t bond to the tooth structure and rely on mechanical retention, which often requires removing more of the healthy tooth to create space for the filling. Preserving as much natural tooth as possible is always better for your long-term dental health.
They’re Mercury-Free
Amalgam fillings contain a mixture of metals, including about 50% mercury, which has raised concerns for some patients, especially those with metal allergies or sensitivities. While the FDA and ADA deem amalgam fillings safe for most people, many patients feel more comfortable with mercury-free alternatives.
Tooth-colored fillings are completely metal-free and biocompatible, making them a more appealing option for those looking for peace of mind and a more holistic dental treatment.
They’re Less Likely to Cause Cracks
Metal expands and contracts with temperature changes. That means when you eat something hot or cold, your amalgam filling may expand or shrink, putting stress on your tooth over time. This can lead to small cracks or fractures in the tooth structure, potentially causing future problems or the need for additional dental work.
Tooth-colored fillings do not react to temperature changes in the same way, reducing the risk of stress fractures and improving the long-term stability of the restoration.
They’re Ideal for Small to Mid-Sized Cavities
Composite resin is a versatile and durable material, especially effective for small to mid-sized cavities. With proper care and regular dental visits, tooth-colored fillings can last many years while maintaining their appearance and integrity.
Plus, repairs or touch-ups can often be made more easily than with amalgam, without removing the entire filling.
While amalgam fillings are still effective, tooth-colored fillings offer a range of advantages that go beyond aesthetics. They preserve more of your natural tooth, eliminate concerns about metal or mercury, and provide a durable, discreet solution for cavities. If you’re in need of a filling or considering replacing an old one, talk to your dentist about whether a tooth-colored option is right for you.
About the Author
Dr. Jason Daaboul is a graduate of the University of Texas Health Science Center at San Antonio Dental School. During the 20 years he’s practiced dentistry, he’s taken dozens of hours of ongoing education courses, some through world renowned Spear Education. Dr. Daaboul also stays current in his field through memberships in the American Dental Association and the Texas Dental Association. If you’re seeking restorative dentistry, Dr. Daaboul and our team would be glad to serve you! Schedule an appointment through our website or call (817) 646-7306.