Table 2 Demographic data, study design characteristics and type of brackets used in the publications included in the systematic review
Study authors and design | Demographic data | Type of brackets | ||||
|---|---|---|---|---|---|---|
Authors | Study design | No. patients (La/Li) | Sex (M/F) | Age labial/lingual (years) | Labial | Lingual |
Gorman and Smith 1991 [9] | CCT | 120 (60/60) | NA | NA | NA | Ormco Corp., Glendora, Calif. |
Soldanova et al. 2012 [7] | CCT | 50 (25/25) | 11 M/39F | 18–54/19–46 | Roth (Dentaurum, Ispringen, Germany) | Forestadent, St Louis, Missouri, USA. |
Wang et al. 2014 [31] | RCT | 30 (15/15) | 12Â M/18F | NA | NA | NA |
Deguchi et al. 2015 [8] | R | 49 (25/24) | 9 M/40F | 24.2 ± 4.1/26.4 ± 4.7 | NA | STb lingual bracket (Ormco, Orange, Calif) |