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Table 2 Sample characteristics

From: Treatment of impacted or retained second molars with the miniscrew-supported pole technique: a prospective follow-up study

Variable

Total (N = 24)

Age (years)

 

Mean (SD)

13.9 (1.9)

Gender

n (%)

M

14 (58.3%)

V

10 (41.7%)

Impacted/retained molar

n (%)

17

5 (20.8%)

27

8 (33.3%)

37

3 (12.5%)

47

8 (33.3%)

Molar location

n (%)

Inferior

11 (45.8%)

Superior

13 (54.2%)

Angulation

n (%)

Vertical

13 (54.2%)

Mesial

6 (25%)

Distal

5 (20.8%)

Degree of molar angulation

Mean (SD)

 

21.4 (22.1)

Median (IQR)

 

9.9 (7.4; 26.2)

Impaction depth

n (%)

Moderate

4 (16.7%)

Severe

20 (83.3%)

Distance from the occlusal surface

Mean (SD)

 

7.7 (3)

Median (IQR)

 

7.1 (5.5; 10.3)

Closed apex

n (%)

 

11 (45.8%)

Anatomical radicular alteration

n (%)

 

9 (37.5%)

Type of eruptive alteration

n (%)

Impaction

6 (25%)

Retention

18 (75%)

Size of the dental follicle (mm)

Mean (SD)

 

2.1 (1)

Median (IQR)

 

2.1 (1.3; 2.5)

Increased dental follicle

n (%)

Present

13 (54.2%)

  1. SD, standard deviation; IQR, interquartile range