Number of cracked teeth per subject | Number of patients Np (%) | Cumulative number of cracked teeth NT (%) |
1 | 96 (63.2) | 96 (36.4) |
2 | 23 (15.1) | 46 (17.4) |
3 | 17 (11.2) | 51 (19.3) |
4 | 9 (5.9) | 36 (13.6) |
5 | 7 (4.6) | 35 (13.3) |
Total | 152 (100) | 264 (100) |