Is Palladium in Dental Crowns Safe After Root Canal Treatment?

After root canal treatment

Hello, doctor.
I would like to inquire about root canal treatment.
Generally, dentists recommend placing a crown afterward.
I found that crowns made from precious metals often contain "palladium," which I read online is classified as a heavy metal and may be harmful to the human body.
Is this material really harmful to the body, or is the amount of metal used in crowns within a safe range, so there is no need for concern?

Xin, 20~29 year old female. Ask Date: 2016/01/21

Dr. Zhang Xiangyuan reply Dentistry

Dear online friend,
Based on your description, after root canal treatment, you are considering dental crowns.
The choice of materials for crowns can vary the cost depending on the type of cast metal used.
Generally, the metals used in dentistry are classified into three categories: (1) precious metals (high in gold or palladium content), (2) semi-precious metals, and (3) base metals (including nickel-chromium alloys).

Crowns made from precious metals (containing gold or palladium) have excellent stability, are less prone to oxidation, and offer good aesthetics and fit.
They are also less likely to cause adverse or allergic reactions in the body or gums.
In contrast, crowns made from base metals (including nickel-chromium) have average stability, and while most people tolerate them well, a small number may experience allergic reactions.
If used on anterior teeth, they may sometimes oxidize and turn black over time, affecting aesthetics.
The choice of crown material can vary based on individual needs and economic considerations.
If you still have questions about palladium, there are also options for all-ceramic crowns available on the market.
All-ceramic crowns have an inner core made of ceramic, which requires higher technical expertise to fabricate and is generally more expensive.
You may want to consult your treating dentist to evaluate whether this option is suitable for you.
Thank you for your inquiry.

Reply Date: 2016/01/21

More Info

When it comes to dental crowns, particularly those made from precious metals like palladium, it's understandable to have concerns about safety, especially after undergoing a root canal treatment. Let's delve into this topic to clarify the safety of palladium in dental crowns and address your concerns.

Palladium is a member of the platinum group of metals and is commonly used in dental alloys due to its excellent properties, such as corrosion resistance, strength, and biocompatibility. These characteristics make it an ideal choice for dental restorations, including crowns, bridges, and other prosthetic devices. The use of palladium in dental crowns is generally considered safe for most patients.

The amount of palladium used in dental crowns is typically within safe limits. Dental materials, including those containing palladium, are subject to rigorous testing and regulations to ensure they are safe for use in the human body. The concentrations of metals in dental alloys are carefully controlled, and the materials are designed to be biocompatible, meaning they do not provoke an adverse reaction in the body.

Concerns about heavy metals often arise due to their potential toxicity. However, the levels of palladium used in dental crowns are significantly lower than those that would pose a health risk. Moreover, palladium is less likely to leach into the surrounding tissues compared to other metals, which further enhances its safety profile.

It's also worth noting that dental crowns are designed to be durable and long-lasting. They are intended to withstand the forces of chewing and biting, which means they are crafted to maintain their integrity over time. If a crown is properly placed and maintained, the risk of any metal leaching or causing harm is minimal.

For patients who have specific allergies or sensitivities to certain metals, it's essential to communicate this with your dentist. They can provide alternative materials that do not contain palladium or other metals of concern. Options such as all-ceramic crowns or zirconia crowns are available and can be suitable alternatives for those who prefer to avoid metal altogether.

In summary, the use of palladium in dental crowns after root canal treatment is generally safe and well-tolerated by most individuals. The amounts used are within safe limits, and the material is designed to be biocompatible. If you have any specific health concerns or allergies, it's always best to discuss these with your dentist, who can help you choose the most appropriate material for your dental needs. Regular dental check-ups and maintaining good oral hygiene will also contribute to the longevity and success of your dental restorations.

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