## **Core Concept**
The disposal of dental waste, including extracted teeth with amalgam fillings, is crucial for environmental and health safety. Dental amalgam contains mercury, which is a toxic substance that requires special handling to prevent environmental contamination. The disposal method must ensure that the mercury does not leach into landfills or waterways.

## **Why the Correct Answer is Right**
The correct answer, , involves disposing of the tooth in a container that prevents the release of mercury into the environment. This is typically achieved by placing the tooth in a sealed container or a special amalgam collection container. This method ensures that the tooth, along with its amalgam filling, is stored safely until it can be recycled or disposed of according to environmental regulations. Recycling is often preferred as it allows for the recovery of mercury and other valuable metals.

## **Why Each Wrong Option is Incorrect**
- **Option A:** - This option is incorrect because simply throwing the tooth in the trash does not prevent mercury from potentially leaching into the environment. It does not ensure safe disposal or recycling of the amalgam.
- **Option B:** - This option is incorrect because, although it involves a container, the specification is not provided, and not all containers are designed to handle hazardous materials like amalgam.
- **Option D:** - This option is incorrect because autoclaving or sterilizing the tooth does not address the issue of mercury disposal. It might even make the tooth more difficult to recycle.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that dental amalgam waste, including extracted teeth with amalgam restorations, should be handled and disposed of in a manner that prevents environmental contamination. Many dental offices have specific protocols and containers for amalgam waste, and recycling programs are often available.

## **Correct Answer:** .