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Wednesday, 4 March 2015

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Are Amalgam Restoration Safe?

What Is Amalgam Restoration?

Amalgam restoration, which is a liquid mercury and metal alloy mixture, is used to repair cavities caused by tooth decay or caries. It is the chosen material for dental restoratives due to its affordability, ease of use, strength, and durability. Many people have profited from amalgam restorations, which are the least expensive method of restoring a tooth. In addition to eliminating the imperfection and any weakened tooth structure, the tooth preparation form must be made in a way that allows the amalgam material to function properly. The tooth preparation form must have a uniformly determined minimum thickness for strength, a 90-degree amalgam angle at the margin, and mechanical retention of the amalgam in the tooth. The amalgam may become loose or crack if this preparation form is not used. Desensitizing the prepared tooth structure is followed by relatively quick and simple mixing, inserting, carving, and finishing of the amalgam. Due to these factors, it is a user-friendly material that is less operator- or technique-sensitive than composite.

Is Amalgam Restoration Safe?

Amalgam restorations fillings may release trace amounts of mercury as a vapor depending on the quantity and age of existing fillings as well as habits like tooth grinding and chewing gum (gas). During the insertion or removal of an amalgam filling, patients and medical professionals can be briefly exposed to more mercury vapor. Although consuming small amounts of dental amalgam poses no known health risks, certain people may experience unpleasant consequences from inhaling mercury vapors. People who have multiple dental amalgam fillings may typically have slightly elevated blood or urine mercury levels, but these levels frequently remain at a range that is considered safe. There is no conclusive evidence that dental amalgam is harmful to people's health in general, according to studies on persons who have it.

Who Should Be Concerned About Amalgam Restoration?

  • Children, particularly those who are less than six
  • Individuals who are more delicate to mercury or other ingredients in dental amalgam
  • Those who have kidney problems or neurological disability.
  • Pregnant women or those who intend to get pregnant.
  • Nurturing mothers

Should Dental Amalgam Fillings Be Removed?

Removal of your amalgam replacement is not advised if it is in good condition and your dentist or other medical practitioner confirms there is no deterioration underneath the filling. This is because removing intact amalgam fillings could cause unneeded loss of healthy tooth structure and expose you to a transient increase in mercury vapor generated during the removal process. Except when deemed medically required by a healthcare practitioner, intact amalgam fillings should not be removed from anyone for the purpose of preventing any disease or health condition, especially those at higher risk like pregnant or nursing mothers and children. If you have a health issue, especially one that makes you allergic or sensitive to mercury or results in neurological or kidney issues, talk to your dentist or doctor about whether removal and replacement are necessary.

Benefits Of Amalgam Restoration:

  1. Robust
  2. Affordable
  3. All restoring materials with the least method sensitivity
  4. Compared to other restorative materials, implantation takes less time.
  5. Simple to fix

Cons Of Amalgam Restoration:

  1. Minimal failure
  2. Some damage to healthy tooth structure
  3. Not stunning
  4. Long-term corrosion at the margins could result in failure.
  5. Potential allergenicity locally

How To Implant An Amalgam Restoration?

  1. The affected tooth has any dental decay or caries removed.
  2. Amalgam will only be used to fill one single tooth.
  3. In the prepared cavity on the involved tooth, dental amalgam material is inserted.
  4. Amalgam is crushed, polished, and sliced to mimic the tooth's natural form.

Indicators For Amalgam Restoration As A Filling Material

  1. All ages, stress-bearing conditions, and minor to moderately large posterior tooth cavities can benefit from the usage of dental amalgam. When significant tooth structure has been destroyed, it can be employed more successfully than the other direct restorative materials. Amalgam works well in non-stress settings as well, however it may not be the best material due to its unattractive appearance and requirement to remove more healthy tooth structure than with composite material.
  2. As bases for ceramic, metal-ceramic, and cast metal restorations.
  3. When a periodic recall schedule contains significant gaps in care or when patient compliance is low or uncertain.
  4. For those with problematic moisture control.
  5. when the patient's primary concern is cost, even when getting massive stress-bearing restorations.

Amalgam Restoration Alternatives

There are several different dental filling and restoration materials on the market that can be used to treat dental decay. Each Material has unique benefits, drawbacks, indications, and contraindications.


Dental filling materials that are frequently employed include:


  • Composite resin substance
  • Material for Glass Ionomer Cements
  • Glass Ionomer Cement Material With Resin Modification
  • Ceramic
  • Porcelain
  • Gold


A composite filling will make a tooth at the front of your mouth that is visible when you smile or laugh appear more natural. Due to its stability and duration, an amalgam filling is a superior option for teeth in the back of the mouth that have more deterioration.

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