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Safe Mercury Amalgam Filling Removal and Replacement with Resin Composite, Zirconia Ceramic, or Inert Gold Fillings at Oxley Dental
For many years, dental amalgam (commonly referred to as “silver fillings”) was the go-to material for filling cavities. While amalgam fillings are durable and effective, they contain mercury, a substance that has raised health concerns over the years. As awareness of potential risks has increased, many patients are choosing to replace their amalgam fillings with safer, more aesthetic materials such as resin composite fillings, zirconia ceramic, or even inert gold inlays.
Why Replace Mercury Amalgam Fillings?
While dental amalgam fillings are still used in some practices, there are several reasons why patients might choose to replace them with more modern materials:
- Mercury Concerns: Dental amalgam is made up of a mixture of metals, including approximately 50% mercury. While the mercury in these fillings is generally considered stable and safe when properly placed, prolonged exposure to low levels of mercury over time has raised concerns, particularly for those with existing health issues such as allergies or sensitivities.
- Aesthetic Considerations: Amalgam fillings are dark in color, which can be noticeable, especially if they are located in visible areas such as the front teeth. Modern composite materials, on the other hand, can be closely matched to the natural color of your teeth, creating a more aesthetically pleasing result.
- Wear and Tear: Over time, amalgam fillings may expand or contract, leading to cracks in the surrounding tooth structure. This can weaken the tooth and make it more prone to breakage. Additionally, amalgam fillings can sometimes lead to tooth sensitivity due to their metal content. Modern materials, like resin composites and ceramic inlays, bond more effectively to the tooth and help maintain its integrity.
- Healthier Alternatives: Many patients choose to replace their amalgam fillings because of concerns regarding the potential long-term effects of mercury exposure. With modern alternatives, you can feel more confident that you are using biocompatible materials that do not pose the same risks.
The Process of Safe Mercury Amalgam Filling Removal
The process of replacing your amalgam fillings with a safer, more aesthetic material begins with a consultation.
1. Initial Consultation and Assessment
Before any treatment is done, our dental team will evaluate your existing amalgam fillings. We will discuss the reasons you are considering removal and replacement and take X-rays to assess the condition of the fillings and the surrounding tooth structure. This helps us determine the best course of action for your specific needs.
2. Mercury-Free Environment
The removal of mercury amalgam fillings requires a controlled environment to minimize exposure to mercury vapors. At Oxley Dental, we adhere to strict safety protocols during this procedure, including:
- Rubber dam isolation: A rubber dam is placed over the affected tooth to isolate it from the rest of the mouth, preventing mercury particles or vapors from being inhaled or ingested.
- Air filtration: We use high-powered suction systems to ensure that any mercury vapors or particles are safely removed from the air and not inhaled.
- Water cooling: The use of water during the removal process helps to reduce heat buildup and prevent the mercury from vaporizing.
- Protective Gear: Both the patient and the dental team are equipped with appropriate protective gear, such as masks, gloves, and goggles, to minimize exposure.
By following these safety measures, we ensure that the process of removing your amalgam fillings is as safe and efficient as possible.
3. Removal of the Amalgam Filling
Once the rubber barrier dam is in place and protective measures are set, your dentist will carefully remove the amalgam filling. This is done with precision to preserve as much of the healthy tooth structure as possible. We take extra care to minimize any damage to the surrounding enamel and ensure that the tooth remains structurally sound after the filling is removed.
4. Cleaning and Preparation of the Tooth
After the amalgam filling is removed, the cavity is cleaned, and any remaining decay is removed. The tooth is then prepared for the new filling material, which may involve shaping the cavity to ensure a good fit for the resin composite, ceramic, or gold inlay.
Materials for Replacement Fillings
Once the amalgam filling is removed and the cavity is prepared, there are several modern materials available for filling the tooth. Each option has its own advantages, depending on your needs, budget, and aesthetic preferences.
1. Resin Composite Fillings
Resin composite fillings are one of the most popular choices for replacing amalgam fillings. These fillings are made from a blend of plastic and fine glass particles, which can be matched to the natural color of your teeth. Resin composites are durable, highly aesthetic, and bond well to the tooth structure, which helps to restore its strength.
- Aesthetic Appeal: Resin composite fillings can be easily color-matched to the natural shade of your teeth, making them an excellent option for fillings in visible areas, such as the front teeth.
- Strength and Durability: Modern composite materials are durable and can withstand normal chewing forces. While they may not be quite as strong as materials like zirconia or gold, they are still a good option for most cavities, especially in the front teeth.
- Minimally Invasive: Composite fillings can be applied in a single visit and require minimal tooth preparation, preserving as much of the natural tooth structure as possible.
2. Zirconia Ceramic Inlays
Zirconia ceramic is an excellent material for patients who want a highly durable and aesthetic option. Zirconia is a type of ceramic that is incredibly strong, making it ideal for larger cavities or back teeth that endure more pressure from chewing.
- Strength and Durability: Zirconia is one of the strongest materials available for dental restorations, offering excellent wear resistance and longevity.
- Aesthetic Results: Zirconia can be custom-shaded to match the natural color of your teeth, making it a great choice for those looking for a filling that blends seamlessly with their smile.
- Long-Term Investment: While zirconia inlays may require multiple visits to create and place, they offer long-term stability and can last for many years, making them a solid investment for your dental health.
3. Inert Gold Inlays
Gold inlays are an excellent choice for patients who are looking for a durable, long-lasting filling material that also has a biocompatible profile. While gold may not be the most aesthetic option for front teeth, it remains a top choice for back teeth, particularly for those who prioritize strength and longevity over appearance.
- Durability: Gold inlays are incredibly strong and resistant to wear, making them an ideal choice for large cavities or teeth that experience a lot of pressure from chewing.
- Biocompatibility: Gold is a highly biocompatible material, meaning it is unlikely to cause any allergic reactions or sensitivities, making it an excellent choice for patients with sensitivities to other materials.
- Longevity: Gold inlays are known for their long lifespan, often lasting decades with proper care.
Do take note that this may not be the silver bullet after all, for any chronic medical conditions and as such, should be noted as an elective treatment, rather than an essential one.
