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Table 9 Comparison of mean caries prevalence rates of first permanent molar with DMFT, ICDAS II, CAST indices at various diagnostic cut off points

From: Assessment of caries diagnostic thresholds of DMFT, ICDAS II and CAST in the estimation of caries prevalence rate in first permanent molars in early permanent dentition—a cross-sectional study

Caries diagnostic method cut off points

N

Mean (SD)

p value

CAST3–7

390

2.87 (1.20)

0.002*

ICDAS1–6

390

2.85 (1.21)

DMFT—‘D’ component

390

2.75 (1.26)

Post hoc pairwise comparison

 

CAST v/s ICDAS II- 0.359 NS

DMFT v/s CAST—< 0.001*

DMFT v/s ICDAS II—0.001*

 
  1. NS: not significant
  2. *Statistically significant (Friedman Test)