Table 5.
Characteristics of the four selected tooth wear evaluation systems (viz., Eccles index, Tooth Wear Index [TWI], Lussi index, and Basic Erosive Wear Examination [BEWE]), and of the hypothetical, broadly applicable, tooth wear evaluation system (h-TWES)
| Characteristics | Evaluation systems | ||||
|---|---|---|---|---|---|
| Eccles | TWI | Lussi | BEWE | h-TWES | |
| Tooth wear subtypes | |||||
| tooth wear | x | x | |||
| mechanical | x | ||||
| chemical | x | x | x | x | |
| Possible overestimating chemical wear | x | x | x | ||
| Assessment mode | |||||
| chair-side | x | x | x | x | x |
| dental casts | x | x | x | ||
| photographs | x | x | x | x | |
| scans | x | ||||
| Purpose | |||||
| screening | x | x | |||
| diagnosing | x | x | x | x | x |
| monitoring | x | x | |||
| Cluster of teeth | |||||
| partial assessment | x | x | |||
| full assessment | x | x | x | x | |
| Surfaces | |||||
| occlusal | x | x | x | x | x |
| incisal | x | x | x | x | x |
| palatal/lingual/oral | x | x | x | x | x |
| buccal/labial/facial | x | x | x | x | x |
| cervical | x | ||||
| Determining | |||||
| cumulative | x | ||||
| separate | x | x | x | x | |
| Type of scale | |||||
| ordinal | x | x | x | x | x |
| nominal | |||||
| Direction of assessment | |||||
| surface area | x | x | x | x | x |
| depth | x | x | x | x | x |
| Amount of Subscales and/or descriptions | |||||
| 1 | x | x | |||
| 2 | x | x | |||
| 3 | x | ||||
| 4 | x | ||||
(x = meets the required characteristics)