Table 2.
|
Tooth Type |
Extrusion |
Intrusion |
||||||||||
Number |
Prescribed |
Corrective |
% |
Number |
Prescribed |
Corrective |
% |
||||||
Mean (mm) |
SD (mm) |
Mean (mm) |
SD (mm) |
Mean (mm) |
SD (mm) |
Mean (mm) |
SD (mm) |
||||||
Maxilla | Incisors | 70 | 0.78 | 0.33 | 0.10 | 0.17 | 0.139 | 256 | 0.78 | 0.43 | 0.14 | 0.19 | 0.207 |
Canines | 30 | 0.62 | 0.32 | 0.06 | 0.15 | 0.124 | 79 | 0.70 | 0.36 | 0.07 | 0.14 | 0.143 | |
Premolars | 9 | 0.42 | 0.11 | 0.01 | 0.03 | 0.022 | 19 | 0.47 | 0.29 | 0.01 | 0.02 | 0.013 | |
Molars | 0 | – | – | – | – | – | 6 | 0.33 | 0.05 | 0.00 | 0.00 | 1,000 | |
All tooth types | 109 | 0.71 | 0.33 | 0.08 | 0.16 | 0.125 | 360 | 0.74 | 0.41 | 0.11 | 0.18 | 0.179 | |
Mandible | Incisors | 17 | 0.56 | 0.17 | 0.05 | 0.11 | 0.080 | 323 | 0.82 | 0.42 | 0.19 | 0.22 | 0.295 |
Canines | 14 | 0.70 | 0.40 | 0.03 | 0.08 | 0.060 | 131 | 0.68 | 0.36 | 0.12 | 0.20 | 0.205 | |
Premolars | 10 | 0.42 | 0.15 | 0.07 | 0.16 | 0.170 | 29 | 0.45 | 0.17 | 0.01 | 0.03 | 0.016 | |
Molars | 0 | – | – | – | – | – | 6 | 0.45 | 0.32 | 0.00 | 0.00 | 1,000 | |
All tooth types | 41 | 0.58 | 0.28 | 0.05 | 0.11 | 0.094 | 489 | 0.75 | 0.41 | 0.16 | 0.21 | 0.251 | |
Total | 150 | 0.67 | 0.33 | 0.07 | 0.15 | 0.117 | 849 | 0.75 | 0.41 | 0.14 | 0.2 | 0.220 |
% indicates mean percentage of overcorrection needed for each movement investigated.