الفهرس 
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Abstract
- Background: No studies were found on a caries pattern using Caries Assessment Spectrum
and Treatment (CAST) index in the literature in Egypt. The aim of this study was to evaluate
caries using CAST index in primary dentition in a group of Egyptian children.
- Methods: A total of 201 children with age range from three to six years old were selected from
outpatients’ clinic of two educational universities. A specially designed assessment chart was
filled for each patient using caries assessment spectrum and treatment index. Categorical data
were analyzed utilizing fisher exact test. p values were adjusted (p-value > 0.05 is considered
significant) for multiple comparisons using benforroni correction.
- Results: Among total 201 children, 70% of the children had healthy primary teeth (code 0-2),
18.7% of the children had non cavitated dentine with visual changes in enamel and discoloration
in dentine with code (3-4), 6.4% had cavitated dentin with intact pulp chamber (code 5), 0.6%
had cavitated dentin involved pulp chamber (code 6), 1.5% had pus containing swelling (code
7) and 2.8% of the children had lost their teeth due to caries (code 8). No teeth were scored with
code 9.
- Conclusion: Mandibular second molar showed the highest prevalence of dental caries among
posterior teeth followed by the mandibular first molar. In anterior teeth, the maxillary central
incisor showed the highest prevalence of caries followed by the maxillary lateral incisor.