Table 1.
Variable | Total | (%) |
---|---|---|
Gender | ||
Female | 540 | 59.0 |
Male | 376 | 41.0 |
Age | ||
11–20 | 170 | 18.6 |
21–30 | 558 | 60.9 |
31–40 | 137 | 15.0 |
41–50 | 41 | 4.5 |
51–60 | 8 | 9 |
61–70 | 2 | 2 |
Impacted tooth | ||
GIGI 38 | 463 | 50.5 |
GIGI 48 | 453 | 49.5 |
Impaction type | ||
Half | 781 | 85.3 |
Total | 135 | 14.7 |
Level position | ||
I A | 94 | 10.3 |
II A | 587 | 64.1 |
III A | 15 | 1.6 |
I B | 5 | 5.0 |
II B | 187 | 20.4 |
III B | 15 | 1.6 |
I C | 0 | 0 |
II C | 11 | 1.2 |
III C | 2 | 0.2 |
Angulation | ||
Vertical | 195 | 21.3 |
Mesioangular | 386 | 42.1 |
Distoangular | 43 | 4.7 |
Horizontal | 286 | 31.2 |
Buccoversion | 6 | 0.7 |
Distoversion | 0 | 0 |
Inverted | 0 | 0 |
Retention type | ||
Simple | 191 | 20.9 |
Advanced | 705 | 77.0 |
Complex | 20 | 2.2 |