Table 3.
Comparison of dental changes of maxillary central incisors and maxillary first molars.
| Author | Maxillary incisor retraction (mm) | Angular change of incisor inclination (degrees) | Vertical change of maxillary incisors (mm) | Anchorage loss of maxillary 1st molars (mm) | Vertical change of maxillary molar (mm) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mini-implant | Conventional anchorage group | Mini-implant group | Conventional anchorage group | Mini-implant group | Conventional anchorage group | Mini-implant group | Conventional anchorage group | Mini-implant group | Conventional anchorage group | |
| group | ||||||||||
| Al-Sibaie et al.(22) | -5.92 | -4.79 | -5.03 | -7.94 | -1.53 | 0.92 | -0.75 | 27760 | 0.02 | 0.38 |
| Benson et al.(23) | -2.1 | -0.7 | NR | NR | NR | NR | 42856 | 3 | NR | NR |
| Feldmann et al.(24) | -3.9 (onplant) -4.7 (TAD) | -4.8 (HG) -3.3 (TPA) | -4.6 (onplant) / -5.3 (TAD) | -6.71 (HG)/ 5.7 (TPA) | NR | NR | 0.1 (onplant) /0 (TAD) | 1.2 (HG) | NR | NR |
| Liu et al.(25) | -7.03 | -4.76 | -13.53 | -12.03 | -1.91 | 42736 | -1.42 | 33239 | -0.06 | 14611 |
| Ma et al.(26) | -6.65 | -5.59 | -6.66 | -7.12 | -2.15 | 42796 | NR | NR | NR | NR |
| Upadhyay et al.(27) | -7.22 | -6.33 | -13.11 | -16.83 | NR | NR | -0.78 | 44621 | -0.22 | 0.67 |