Journal of Dental Rehabilitation and Applied Science:eISSN 2384-4272 pISSN 2384-4353

Table. 2.

Table. 2.

Tooth Wear Index (TWI) (Smith and Knight, 1984)2

Grade Criteria
0 No loss of enamel surface characteristics
1 Loss of enamel surface characteristics
2 Buccal, lingual and occlusal loss of enamel, exposing dentine for less than one third of the surface
Incisal loss of enamel
Minimal dentine exposure
3 Buccal, lingual and occlusal loss of enamel, exposing dentine for more than one third of the surface
Incisal loss of enamel
Substantial loss of dentine
4 Buccal, lingual and occlusal complete loss of enamel, pulp exposure or exposure of secondary dentine
Incisal pulp exposure or exposure of secondary dentine
J Dent Rehabil Appl Sci 2019;35:113-22 https://doi.org/10.14368/jdras.2019.35.3.113
© 2019 J Dent Rehabil Appl Sci