What are tooth fillings made of?
At Ethos Dental Studio, we know that many patients feel more at ease when they understand the treatments available to them. One of the common questions we hear is: “What are tooth fillings made of?” Fillings are a routine procedure, but the materials used can vary, and each comes with its own benefits. As a trusted dental clinic in Langley, our goal is to make sure you know your options and feel confident about your care.
Why fillings are needed
Tooth decay and cavities create holes in enamel that weaken the tooth. Left untreated, this damage can worsen and cause pain, infection, or even tooth loss. A filling restores the tooth’s shape and strength, preventing further decay. During your dental exam in Langley, our dentists will assess the location and size of the cavity, your bite, and your cosmetic preferences before recommending the best material.
Metal fillings: amalgam and gold
Metal fillings are known for their strength and durability. Amalgam is a long-standing option made from a blend of metals, including silver, copper, tin, and a small amount of mercury. It is tough under chewing pressure and often used for back teeth. Gold fillings are another excellent option. Created from gold alloy, they are strong, biocompatible, and long-lasting. Gold fillings can last decades with proper care, though they are more visible and come at a higher cost.
Pros of metal fillings:
- Extremely durable and long-lasting
- Strong under heavy chewing forces
- Cost-effective (amalgam) compared to some alternatives
Considerations:
- Metallic colour makes them noticeable
- Amalgam contains mercury in safe, regulated amounts
- May not suit patients looking for a tooth-coloured option
Composite: natural and versatile
Composite fillings are made from specialized non-toxic plastics reinforced with fine glass particles. They can be matched to the colour of your natural teeth, making them a great option for front teeth or any visible area. Composite fillings bond directly to the tooth, which can also help support remaining tooth structure.
Pros of composites:
- Tooth-coloured for a natural appearance
- Bond directly to enamel, helping reinforce the tooth
- Versatile and suitable for many cavity sizes
Considerations:
- May not last as long as metal fillings in high-pressure areas
- Can stain over time with certain foods or smoking
Porcelain: aesthetic and durable
Porcelain fillings are created from powdered glass and acrylic resin, offering another tooth-coloured solution. They are strong, highly resistant to staining, and designed to mimic the natural look of enamel. Porcelain is often used when aesthetics are a top priority, blending seamlessly into your smile.
Pros of porcelain:
- Excellent match to natural teeth
- Resistant to staining and wear
- Durable option with long-lasting results
Considerations:
- More costly than amalgam or composite
- May require more than one appointment, depending on placement
What to expect during a filling
The process begins with numbing the area to ensure comfort. The decayed portion of the tooth is removed, and the filling material is placed. Composites and porcelain are carefully colour-matched and shaped to blend with your tooth, while metal fillings are contoured for maximum strength. Once the filling is placed, your bite will be checked to make sure it feels natural. Aftercare is simple—good oral hygiene and regular checkups will keep your fillings in top shape.
Common myths about fillings
- All fillings contain mercury: Only amalgam includes mercury, and in amounts considered safe by dental associations. Composite and porcelain fillings do not.
- White fillings are weak: Modern composites and porcelain are strong and durable when properly placed.
- Fillings last forever: Longevity varies. Metal fillings often last the longest, while composites and porcelain can also perform well with proper care.
Final thoughts
When considering
dental fillings in Langley, it’s important to know that you have choices. At Ethos Dental Studio, we offer durable metal options like amalgam and gold, as well as natural-looking composites and porcelain that can be matched to your existing teeth. Each material has unique strengths, and our team will guide you through the decision-making process to ensure you get a result that fits your needs, budget, and smile.






