Table 7.

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

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