Dental students’ consistency in applying the ICDAS system within paediatric dentistry

Jennifer Foley, Karolin Hijazi, Rasha Abu Eid

Research output: Contribution to journalAbstractpeer-review


Aims: To examine dental student’s three-month consistency in utilising the International Caries Detection and Assessment System (ICDAS) criteria after baseline training.

Materials and Methods: All clinical dental students as part of their education in Paediatric Dentistry at Aberdeen Dental School (n=56) received baseline training by two ‘gold-standard’ examiners and were advised to complete the 90-min ICDAS e-learning programme. Study One: One month later, the occlusal surface of 40 extracted primary- and permanent molar teeth was examined and assigned both a caries- (0–6 scale) and restorative code (0–9 scale). Study Two: The same teeth were examined three months later. Kappa statistics were used to determine inter- and intra-examiner reliability at baseline and after three months (IBM® SPSS® Statistics 19). Results:In total, 31 students (BDS2:n=9; BDS3:n=8; BDS4:n=14) completed both examinations. The inter-examiner reliability Kappa scores for restoration codes for Study One and Study Two were: BDS2: 0.47 and 0.38; BDS3: 0.61and 0.52 and BDS4: 0.56 and 0.52. For caries scores for the two studies as follows: BDS2: 0.31 and 0.20; BDS3: 0.45 and 0.32 and BDS4: 0.35 and 0.34. The intraexaminer reliability for restoration codes range was as follows: BDS2: 0.20–0.55;BDS3: 0.34–0.72 and BDS4: 0.28–0.80. The intra-examiner reliability for caries codes range was as follows: BDS2: 0.35–0.62; BDS3: 0.22–0.53 and BDS4: 0.22–0.65.

Conclusions: The consistency of ICDAS codes varied between students and also,between year groups. In general, consistency was greater for restoration codes. Further educational opportunities are required prior to implementation theICDAS system.
Original languageEnglish
Pages (from-to)e206
Number of pages1
JournalEuropean Journal of Dental Education
Issue number2
Early online date11 Apr 2013
Publication statusPublished - May 2013
Event38th conference meeting ADEE - Lyon, France
Duration: 29 Aug 20121 Sept 2012


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