{"id":210,"date":"2025-09-09T06:34:00","date_gmt":"2025-09-09T06:34:00","guid":{"rendered":"https:\/\/www.baltimoredentalarts.com\/blog\/?p=210"},"modified":"2025-10-09T06:35:57","modified_gmt":"2025-10-09T06:35:57","slug":"heres-why-should-you-replace-metal-fillings","status":"publish","type":"post","link":"https:\/\/www.baltimoredentalarts.com\/blog\/2025\/09\/09\/heres-why-should-you-replace-metal-fillings\/","title":{"rendered":"Here\u2019s Why Should You Replace Metal Fillings"},"content":{"rendered":"
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For decades, metal (amalgam) fillings were the go-to solution for treating cavities<\/a>. They\u2019re durable and long-lasting\u2014but as dental technology advances, so does our understanding of their potential risks. A 2016 study found that individuals with more than eight amalgam fillings had higher levels of mercury in their blood, raising valid concerns about the long-term safety of these restorations.<\/p>\n\n\n\n

If you still have silver fillings, it may be time to consider replacing them with modern, tooth-colored alternatives that are both safer and more natural-looking.<\/p>\n\n\n\n\n\n\n\n

Understanding Metal Fillings and Their Risks<\/h2>\n\n\n\n

Traditional metal fillings are made from a mixture of metals, including silver, tin, copper, and mercury. Mercury is used because it helps bind the other metals together to create a strong, durable filling material. However, over time, these fillings can release trace amounts of mercury vapor\u2014especially during chewing or teeth grinding.<\/p>\n\n\n\n

While the amount released is typically low, repeated exposure may contribute to higher mercury levels in the body. The 2016 study highlighted that participants with multiple amalgam fillings showed measurable increases in mercury concentration in their bloodstream, suggesting potential long-term health implications. The U.S. Food and Drug Administration (FDA) has also advised that certain individuals\u2014such as pregnant women, children, and people with specific health conditions\u2014may face greater risks from mercury exposure.<\/p>\n\n\n\n

Beyond health concerns, amalgam fillings can also cause practical issues. Metal expands and contracts with temperature changes, which can lead to small cracks in the surrounding tooth structure over time. These tiny fractures can make the tooth more susceptible to decay, breakage, or sensitivity.<\/p>\n\n\n\n

The Advantages of Tooth-Colored Fillings<\/h2>\n\n\n\n

Tooth-colored (composite) fillings offer a more advanced, aesthetically pleasing, and biocompatible solution for repairing cavities. Made from a blend of durable resin and fine glass particles, these restorations bond directly to your enamel, providing both strength and a seamless appearance.<\/p>\n\n\n\n

Some of the key benefits of replacing metal fillings with tooth-colored ones include:<\/p>\n\n\n\n