THE INTERNATIONALCARIES DETECTION ANDASSESSMENTSYSTEM(ICDAS): AN INTEGRATED SYSTEMFOR MEASURING DENTALCARIES5조 60. Kanguk Joo
Purpose of this article The lack of consistency among thecontemporary criteria systems limits thecomparability of outcomes measured onepidemiological and clincal studies. The ICDAS were developed to integrateseveral new criteria systems into one standardsystem for caries detection and assessment.
What does ICDAS mean? D(etection) Stage of the carious process Topography(pit and fissure or sealant) Anatomy(crowns vs. roots) Restoration or sealant status A(ssessment) Stage(noncavitated or cavitated) Activity(active or arrested)
ICDAS criteria for detection ofcaries in coronal tooth surfaces Tooth surface : mesial, distal, facial, lingual,occlusal surface Two-stage process Decision number 1 : classification of therestoration, sealant, or missing Decision number 2 : classification of the cariousstatus
Validity of the ICDAS Two types of validation methods whether a criteria system measures the diseaseprocess of dental caries. whether the definitions used measure signs orcharacteristics of dental caries for the selectedstage.
Validity of the ICDAS ICDAS was designed to meet the followingconcepts measure stages of the carious process ratherthan just the ‘decayed’ stage provide detailed exclusion criteria of noncariouslesions (staining, fluorosis, opacities) define the terms and descriptions used tomeasure the caries process.
Validity of the ICDAS Correlational validity of caries assessment onocclusal surfaces Using the codes of ICDAS described in Table 2,the examiners’ likelihood ratios that a toothclassified with codes 2, 3, 4, or 5–6 had dentalcaries into the dentin detected histologicallyrelative to a tooth classified with codes 0 or 1were 6.5, 10.0, 11.4, and 13.0, respectively.These likelihood ratios are relatively highcompared with the likelihood ratio (LR) ofstandard medical signs and symptoms.
Validity of the ICDAS Discriminant validity of ICDAS In addition to the dental caries data, it assessedsocial, behavioral, and dietary risk indicators.
Discussion ICDAS is useful, easy to use, and clearlydefined criteria for clinical visual cariesdetection. Even when used by examiners who had noprevious experience in epidemiological dentalexamination, ICDAS has good to excellentreliability. However, ICDAS still lacks validateddefinitions of caries activity.