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Table 3 Classification and codes used for dental caries examinations36

From: Early childhood feeding practices and dental caries in preschool children: a multi-centre birth cohort study

   Non-cavitated (d1) Lesions   Cavitated (d2-3) Lesions
Smooth surfaces     
Appearance/Colour   Chalky white   Chalky white with darker center
Surface   Intact   Cavitated - definite loss of tooth structure
Tactile   Normal (tactile exam usually not necessary)   Soft
Location   Usually adjacent to soft tissue margin   Usually adjacent to soft tissue margin
Pits and Fissures     
Appearance/Colour   May be lightly stained, or have chalky white   Oftens stained light to dark brown and
   area adjacent to pit or fissure   often with chalky white area adjacent
Surface   Intact   Cavitated - definite loss of tooth structure
Tactile   Normal   Soft
Undermining   Not present   Often evident