Table 6 Number of failures according to tooth type in the mandible for the .027″ round TMA retainers (41 patients, 82 total bonded sites)
Number of failures | 43 (%) | 33 (%) | Total (%) |
|---|---|---|---|
0 (no failures) | 31 (75.6%) | 28 (68.3%) | 59 (71.9%) |
1 | 8 (19.5%) | 11 (26.8%) | 19 (23.2%) |
2 | 2 (4.9%) | 2 (4.9%) | 4 (4.9%) |
Total number of failures (%) | 10 (24.4%) | 13 (31.7%) | 23 (28.1%) |