Recent Advances: Air Abrasion


Air Abrasion technique (KCP) (kinetic Cavity preparation)


Based on the use of a stream of small aluminum oxide particles with pressured air to cause impact on the caries and abrade it.

PrepStart (Air Abrasion Cavity Prep Unit)


  • Less pain –> thus reducing the time needed for the use of local anesthesia.
  • Less noise and vibration.
  • Precise and time saving.
  • Air polishing with bicarbonate powder can remove plaque and stain effectively with no damage to the tooth or gingival.


  • More effective on hard normal dentine than soft dentine affected dentine
  • When using composite, the air abrasion doesn’t provide the micromechanical roughness needs for retention thus needs acid-etchant.
  • Loss of tactile sensation.
  • Possible iatrogenic damage especially on the cementum and root dentine.
  • Can induce asthma –> thus needs high volume suction
  • Can’t remove amalgam restoration.
  • Can’t perform massive reduction for crown.

Video Courtesy of Denville Implant and Cosmetic Dentistry Center

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About Author

Dr. Mohsen Saeed Ozaibi

A Dentist, Professional Blogger and Owner on Graduated in 2009 with a Bachelor Degree in Dental Science from Misr International University. A Pioneer in Digital Dental Content Publishing.

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