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Table 2 Duration of treatment [Months] in sub-groups of severities of malocclusion 1 (mild to moderate cases) and 2 (severe cases)

From: Lingual orthodontic treatment duration: performance of two different completely customized multi-bracket appliances (Incognito and WIN) in groups with different treatment complexities

Severity

Appliance

N

Means

SD

Min

Max

Median

S1

Incognito

171

22.69

6.99

3.26

41.89

22.14

S1

WIN

146

17.96

5.03

3.97

29.23

17.98

S2

Incognito

49

29.79

6.06

16.01

42.86

30.62

S2

WIN

10

20.49

5.96

11.97

28.97

19.53

All Groups

 

376

21.72

7.21

3.26

42.88

20.94

  1. The differences between WIN and Incognito were highly significant for both S1 (p < 0.0001) and S2 (p = 0.0006).
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Head & Face Medicine

ISSN: 1746-160X

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