🔹Interproximal Caries: Interproximal caries begin just below the contact point, and it has a small notched radiolucent appearance on the radiograph. Clinically, there is a white spot lesion which is slightly roughened due to demineralisation.
🔹Incipient Interproximal Caries: The carious lesion often forms a classical V-shaped or triangular-shaped radiolucent appearance at the initial phase. Radiographically, this caries-susceptible zone has a vertical dimension of 1.0–1.5 mm.
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