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Table 7 Modular evaluation system, module for diagnosing/monitoring occlusal/incisal [6-point ordinal scale], and non-occlusal/non-incisal [5-point ordinal scale]

From: A plea for the development of an universally accepted modular tooth wear evaluation system

Score Description
-occlusal/incisal
Description
-non-occlusal/non-incisal
0 No (visible) wear No (visible) wear
1 Wear within the enamel Wear within the enamel
2 Wear with dentin exposure
-horizontal less than 50 % of the area
or
-vertical loss of clinical crown height ≤1/3
Wear with dentin exposure
-less than 50 % of the area
3 Wear with dentin exposure
-horizontal more than 50 % of the area
or
-vertical loss of clinical crown height
>1/3 but ≤1/2
Wear with dentin exposure
-more than 50 % of the area
4 Wear with dentin exposure
-horizontal complete loss of enamel
or
-vertical loss of clinical crown height
>1/2 but ≤2/3
Wear with dentin exposure
-complete loss of enamel
or
-pulp exposure
5 Wear with dentin exposure
-horizontal complete loss of enamel
or
-vertical loss of clinical crown height
>2/3