<prompt> According to ADA CCS, the sealantrestoration recommended for ICDAS score 2, extreme risk patients:Sealant optional or caries biopsy if DIAGNOdent is 20-30Minimally invasive restorationSealant or minimally invasive restoration neededAny of the above  <response>: The ICDAS has been further condensed by the American Dental Association into the Caries Classification System ADA CCS. Assessment of dental caries also requires identification of caries lesion activity so as to make decisions relative to treatment recommendations. 