Table 4 Proportions of mini-implants 1 mm above root at (-0.4, Y) with angle of 56.4°
From: Clinical analysis of successful insertion of orthodontic mini-implants in infrazygomatic crest
y = 8.2 | 8.2 < y ≤ 9.2 | 9.2 < y ≤ 10.2 | 10.2 < y ≤ 11.2 | 11.2 < y still unable to meet the requirements | |
|---|---|---|---|---|---|
Number of cases | 41 | 4 | 4 | 2 | 3 |
Proportion | 75.9% | 5.6% | 9.3% | 3.7% | 5.6% |
Cumulative proportion | 75.9% | 83.3% | 90.7% | 94.4% | - |