What are amalgam and composite fillings?

Amalgam is a filling made from a combination of metals, including mercury, silver, tin, and copper. It is also known as the “silver-colored” filling.

Composite fillings are tooth-colored fillings made of special plastics called resin-based composites. 

Common CDT Codes for Restorations:

  • [2140] Amalgam - one surface, primary or permanent 
  • [2150] Amalgam - two surfaces, primary or permanent 
  • [2160] Amalgam - three surfaces, primary or permanent 
  • [2330] Resin-based composite - one surface, anterior 
  • [2331] Resin-based composite - two surfaces, anterior 
  • [2332] Resin-based composite - three surfaces, anterior 
  • [2335] Resin-based composite - four or more surfaces or involving incisal angle (anterior)
  • [2391] Resin-based composite - one surface, posterior 
  • [2392] Resin-based composite -  two surfaces, posterior
  • [2393] Resin-based composite - three surfaces, posterior 
  • [2394] Resin-based composite - four or more surfaces, posterior

Sources: 

1. https://www.dentalcare.com/en-us/patient-education/patient.../restorative-dentistry

2. https://oralb.com/en-us/oral-health/conditions/cavities-tooth-decay/restorative-dentistry-types-dental-restoration

3. https://www.mouthhealthy.org/en/az-topics/f/fillings-silver-colored

4. https://www.mouthhealthy.org/en/az-topics/c/composite-fillings<


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