The shared vision for ICDAS is:

 ¤ ICDAS is a clinical scoring system for use in dental education,
 clinical practice, research, and epidemiology
.

 ¤ ICDAS is designed to: lead to better quality information to inform
 decisions about appropriate diagnosis, prognosis, and clinical
 management at both the indivdual and public health levels
.

 and
 ¤ ICDAS provides a framework to support and enable personalised
  total caries management for improved long term health outcomes
.
 
 

      In order to use the ICDAS criteria in epidemiological surveys the following conditions are essential to enable examiners to assess each of the caries codes accurately: overhead operating light; cleaned teeth and compressed air.  The ICDAS codes can be used to examine cleaned teeth in other conditions but the data recorded this way is unlikely to be comparable with other ICDAS examinations.  Variation from the ideal conditions detailed above will compromise the sensitivity of the examination, e.g. without compressed air many code 1 lesions cannot be detected and should be omitted from the code list.  It is suggested that if compressed air is unavailable the following codes should be used: [insert new ICDAS epi codes which use letters rather than numbers to highlight that the codes are not comparable with full ICDAS].

Explanation to the table
 
Column 1: Terms of increasing severity stages of caries for lay persons
Column 2: Terms for the visual apperance for increasing severity stages of caries for professionals
Column 3 Related scores to coulmn 2
Column 4: Activity assessment posibilities for the scores in column 3 and thus also columns 2 and 1
Column 5: Scores for radiographical classification of lesion severity:
   
  0=no radiolucency
  1= radiolucency in outer ½ of the enamel
  2= radiolucency in inner ½ of the enamel± EDJ
  3= radiolucency limited to the outer 1/3 of dentine
  4= radiolucency reaching the middle 1/3 of dentine
  5= radiolucency reaching the inner 1/3 of dentine, clinically cavitated
  6= radiolucency into the pulp, clinically cavitated
   
Column 6:

Scores for Fibre-optic translumination (FOTI); classification of lesion severity: Proximal and occlusal

  0= no shadow or stained area
  1= Lesion stays the same width when transilluminated/Thin grey shadow into enamel when transilluminated
  2= Wide grey shadow into enamel when transilluminated
  3= Wide grey shadow into enamel with no evidence of dentine shadow
  4= Orange/brown or bluish/black shadow < 2mm in width
  5= Shadow as described above and/or transillumination light is blocked > 2mm in width
  6= Large area of frank cavitation with likely pulpal involvement
   
Column 7: Scores for ECM; classification of lesion severity: Only occlusal
   
  0= -0.45-1.0
  1= 1.1-3.0
  2= 3.1-9.0
  3= 9.1-12.0, clinically ±microcavitated
  4= 9.1-12.0 Clinically shadowed
  5= >12 Clinically cavitated but < ½ the surface
  6= > 12 Clinically cavitated but > ½ the surface
   
Column 8: Yet to be established
Column 9: Risk assessment: h=high, m=medium, l=low