Concerns About Ingesting Silver Filling: What Parents Should Know - Dentistry

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Swallowing dental silver powder?


Hello Doctor: My child is currently over four years old.
Today, he just had a silver filling placed on his lower molar.
This evening, he said he accidentally swallowed a piece of the filling (silver powder).
I checked the filling site and noticed that half of it is missing.
Doctor, will swallowing a piece of silver filling harm my child? What should I watch out for? Do I need to take him back for a refill? Thank you very much for taking the time to respond.

Yang Mama, 30~39 year old female. Ask Date: 2018/12/03

Dr. Huang Tingfang reply Dentistry


Dear Mrs.
Yang: Hello! (The silver filling that was swallowed) The mercury should have evaporated, and it will likely pass through the body like a small stone! You should take your child back for a filling; otherwise, the tooth may decay further! Please communicate more with the doctor! Thank you! Wishing you safety! Sincerely, Dr.
Huang Ting-Fang, Dentistry.

Reply Date: 2018/12/03

More Info


When it comes to concerns about a child accidentally swallowing dental materials, such as silver fillings (often made of amalgam, which contains mercury, silver, tin, and copper), it's important to understand both the composition of these materials and the potential health implications.

Firstly, dental amalgam has been used for over a century and is considered safe for use in dental restorations. The amount of mercury in dental amalgam is small, and it is tightly bound within the material, which minimizes the risk of mercury exposure. However, if a child were to swallow a piece of amalgam, it is generally not expected to cause harm. The body typically does not absorb metals like mercury from swallowed amalgam, and the material would likely pass through the digestive system without causing any issues.

That said, there are a few considerations to keep in mind:
1. Size of the Swallowed Piece: If the piece of amalgam is small, it is likely to pass through the gastrointestinal tract without causing any obstruction. However, if it is a larger piece, there could be a risk of choking or gastrointestinal blockage, which would require immediate medical attention.

2. Symptoms to Watch For: After swallowing a piece of amalgam, monitor your child for any unusual symptoms such as abdominal pain, vomiting, or difficulty swallowing. If any of these symptoms occur, it would be prudent to seek medical advice.

3. Follow-Up with the Dentist: Since a portion of the filling is missing, it is advisable to contact your dentist. They can assess the situation and determine whether the filling needs to be replaced. It's important to ensure that the tooth is adequately protected to prevent further decay or damage.

4. Dental Health Considerations: If your child has a history of dental issues or if this incident raises concerns about their dental care, it may be beneficial to discuss preventive measures with your dentist. This could include fluoride treatments, sealants, or dietary recommendations to promote better oral health.

5. Education on Dental Materials: As a parent, it may also be helpful to educate your child about dental materials and the importance of not swallowing anything that is not food. This can help prevent similar incidents in the future.

In summary, while swallowing a small piece of dental amalgam is generally not harmful, it is essential to monitor your child for any adverse symptoms and consult with your dentist for further evaluation and care. Keeping open lines of communication with your healthcare providers will ensure that your child's dental health is managed effectively and safely.

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