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Table 1 Sclerosis Scale (modified)

From: A comparative study of the microtensile bond strength and microstructural differences between sclerotic and Normal dentine after surface pretreatment

Category

Description

I

No sclerosis present. Dentin is light yellow or whitish in color with little discoloration. Dentin is opaque, with little translucency or transparency. These lesions are typical in young individuals.

II

More than category I, but less than 50% of the difference between categories I and IV.

III

Less than category IV, but more than 50% of the difference between categories I and IV.

IV

Significant sclerosis present. Dentin is dark yellow or even discolored (brownish). Dentin appears glassy, with significant translucency or transparency evident. These lesions are typical in older individuals.