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Central HK practice explains the dangers of mercury and the reasons for safe amalgam removal

3d render of teeth with dental amalgam filling over white background

Conveniently located in Central, HK, our inclusive dental practice offers services for patients of all ages. When requested, our team offers the safe removal of mercury amalgam fillings. Strict practices are followed to protect the health and safety of the patients, staff, and environment.

For years, the mouth and body were thought of and treated as two separate entities. The teeth, gums, and entire oral cavity were often treated without considering the impact on the rest of the body. With holistic dentistry, the whole patient is treated instead of focusing on a single system.

With this knowledge comes the understanding of mercury toxicity, the reasons for amalgam filling removal, and the impact of mercury on the body.

Dangers of mercury in amalgam fillings

Mercury is a toxic, non-radioactive, naturally occurring substance. It is well known as a dangerous material. The World Health Organization (WHO) has stated that any level, even small amounts, of mercury can be harmful. Even with this knowledge, amalgam fillings still contain mercury and they are used to treat cavities.

Dental amalgam is a mixture of metals, often consisting of silver, tin, copper, and mercury. Mercury is the binding agent. It creates a strong material. Metal fillings can be inserted quickly and easily. Amalgam fillings contain toxic mercury which can come at a cost to your health. The fillings can break which would release the mercury into the body. Temperature changes can cause warping which can damage the tooth.

Mercury toxicity

Amalgam fillings add measurable amounts of mercury to patients’ bodies. Mercury vapour is released from the fillings at all times and is inhaled. It is then absorbed into the bloodstream. When patients chew, small amounts of mercury are also released.

Any level of mercury is dangerous. It affects various systems of the body and can contribute to neurological, kidney, respiratory, and even pregnancy-related problems. In amalgam fillings, mercury vapors are continually released. Over time, the body loses its ability to remove the substance and it builds up in the body. This can lead to chronic mercury poisoning and health issues. Mercury toxicity can impact nearly every system in the body. The severity of mercury toxicity from amalgam fillings depends on the number of fillings, how long they have been in place, and how they are stimulated.

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Safe removal of amalgam fillings

Dentist showing patient's teeth using a mirrior

With an understanding of the research available, we acknowledge the risks that mercury and amalgam fillings bring to patients, the dental staff, and the environment. We maintain a mercury safe office. For the safe removal of amalgam fillings, we adhere to the strict protocol ( SMART ) and proper handling practices laid out by the International Academy of Oral Medicine and Toxicology (IAOMT).

Patients may choose to have their fillings removed for various reasons. Whether for health reasons or due to problems with the filling cracking or causing damage to the tooth. When requested, amalgam fillings are removed and then replaced with a tooth-colored, composite filling. Strict mercury-safe regulations are followed before, during, and after the procedure.

Standard filling removal uses a drilling technique which exposes the patient and dental team to unsafe levels of mercury vapors. The IAOMT protocol protects the health and wellness of those involved as well as the environment by ensuring proper disposal of hazardous materials. These recommendations minimize mercury exposure during the removal process. Some of the measures include:

  • An amalgam separator is used to collect mercury waste.
  • The dental team wears protective gowns, gloves, and masks to protect themselves against possible mercury exposure.
  • State-of-the-art equipment filters and ventilates to remove airborne vapors.
  • Fillings are removed in large pieces to minimize vaporization of the mercury.
  • The patient wears a dental dam and an oxygen mask to breathe from an alternate air source. This helps the patient avoid ingesting or inhaling any vapors.
  • A high speed vacuum is positioned near the mouth to remove the mercury vapors.
  • A special binding material is available for the patient to rinse with after the procedure to absorb any mercury.

We understand the impact that oral health has on the rest of the body. We strive to protect the health and wellness of our patients through our dental services. To make an appointment with our empathetic dentist, call 852 2810 1801 today.

 

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