| Types of TSL | Total OHIP Scores | Total | Chi-square test (P-value) | |
| Below mean <11.65) | Above mean > 11.65) | |||
| Abrasion | 15 (51.7%) | 14 (48.3%) | 29 | 0.534 |
| Attrition | 29 (58%) | 21 (42%) | 50 | |
| Erosion | 7 (46.7%) | 8 (53.3%) | 15 | |
| Abfraction | 5 (83.3%) | 1 (6.7%) | 6 | |
| Combination | 12 (48%) | 13 (52%) | 25 | |
| Total | 68 | 57 | 125 |
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