Table 6: Caries distribution as per radiographic interpretation

Score		Caries level		Criteria		No. of teeth
R0		D0		No radiolucency		132
R1		D1		Zone of increased radiolucency, confined to outer half of enamel		17
R2		D2		Zone of increased radiolucency involving both inner and outer halves of enamel layer, including lesions extending up to but not beyond the DEJ		6
R3		D3		Zone of increased radiolucency penetrating the enamel and DEJ and progressing into the dentin		14
Total						169