The document discusses various indices used to assess dental caries, including ICDAS, PUFA, and DMF. It then introduces the CAST index, which was developed to combine the strengths of ICDAS, PUFA, and the M- and F-components of DMF into a single index. The CAST index covers the full spectrum of dental caries by assessing non-cavitated lesions, cavitated lesions, and advanced consequences in both teeth and surrounding tissues. It is presented as a potentially important new dental epidemiological tool.

1. PK3. 김영인

2.  보통 역학적 조사에 있어서 주로 사용하는 방법은
ICDAS 2, PUFA
 The most widely used carious lesion
assessment system is the DMF proposed by
WHO

3.  ICDAS = Internal Caries Detection and
Assessment System
 Its codes for coronal caries range from 0 to 6
 Sound surface (code 0)
 Primary carious lesions in enamel(codes 1-3)
 Primary carious lesions in dentine(codes 4-6)
 Carious lesions involving the pulp are not
being scored

5.  PUFA = Pulpal involvement, Ulceration, Fistula
and Abscess
 Untreated cavitated carious lesions at the
tooth and surrounding tissue stages
 DMF indes does not address the
consequences of untreated advanced stages
of carious lesion

6.  PUFA is an index used for assessing the
presence of oral conditions resulting from
untreated advance stages of cavitated carious
lesions

8.  Why does the index contain a score for three
stage of carious lesion progression, both in
enamel and in dentine, when these stages are
combined in the reported results?
 Why are epidemiologists requested to collect
data when they appear not to be used in
reports and publications?

9.  The chance that every person in the world is
affected by dental caries becomes very high,
showing the low discriminating power of the
index(code 1)
 Difficult to compare against the widely-used
DMF index(which is world widely used criteria)

10.  This index is restrectied to scoring
consequences of infection in teeth and
surrounding tissue as a result of the carious
process

11.  CAST was developed because of the need to
find a reliable, pragmatic, easy-to-read
reporting system for presenting results
obtained from using both ICDAS 2 and PUFA
 Newly proposed index is more than a
combination of the two previously mentioned
indices, as it also aggregates the M- and F-
component of DMF-index

13.  It covers the total dental caries spectrum,
from no carious lesion, through caries
protection and cares cure to carious lesions
in enamel and dentine, and the advanced
stages of carious lesion progression in pulpal
and tooth-surrounding tissue

14.  Use of the ICDAS2, save code1 and combines
codes 2and 3, 5and 6
 PUFA, save code u and combines f and a
 DMF-index(for the M- and F- component)

15.  Excluding ICDAS 2 code 1 from the CAST
index elimanates the need to dry the tooth
surface with and air spray vefore assessing
the enamel : this dental aid is often not
available in field situations in many countries
 Detecting inactive and active carious lesions
in enamel should be part of an index used in
clinical studies but not for use in caries
epidemiological surveys

16.  Its usefulness for analysis of the dental caries
situation in the public oral health setting
 Provide information – non-cavitated and
cavitated lesions, consequences of the
untreated ones
 Lost and restored component makes the
outcomes obtained through CAST easily
moparable to those derived form surveys in
which the DMF was used

17.  CAST index can become an important dental
epidemiological tool