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Figure 3: Schematic representation of dentinal tubule erosion: (a) Single dentinal tubules showing enlarged tubule orifice, (b) Conjugation of two dentinal tubules showing dumbbell appearance, (c) Conjugation of three dentinal tubules showing triangular appearance, and (d) Conjugation of more than three dentinal tubules showing irregular appearance

Figure 3: Schematic representation of dentinal tubule erosion: (a) Single dentinal tubules showing enlarged tubule orifice, (b) Conjugation of two dentinal tubules showing dumbbell appearance, (c) Conjugation of three dentinal tubules showing triangular appearance, and (d) Conjugation of more than three dentinal tubules showing irregular appearance