Table 2: Quality assessment

Author/YEAR Study Design Partecipants Length Of Follow Up Period Periodontal Measurement Statistical Analisysis Results Discussion Total Point/Quality
Sample standards participant’s Sample characterization Calculation of sample size Control group Ethics: evidence of ethical factors 2 a 4 months after bonding ≥ 4 months after bond After debonding Month collections PI GI BOP PPD
Paolantonio et al
1999
0 0.2 0.2 0 0 0 0.5 0 0 0.5 0 0 1.0 2.0 0.2 0.2 0.2 5 / low
Ristic et al.
2007
0.4 0.2 0.2 0 0 0.2 0 1.5 0 0 0.5 0.5 1.0 2.0 0.2 0.2 0.2 7,1 / moderate
Ghijselings et al. 2014 0.4 0.2 0.2 0 0 0.2 0 1.5 1.5 0.5 0 0 1.0 2.0 0.2 0.2 0.2 8.1 / moderate
Van Gastel et al. 2008 0.4 0.2 0.2 0 0 0.2 0 1.5 0 0.5 0 0 1.0 2.0 0.2 0.2 0.2 6,6 / moderate
Kaygisiz et al.
2015
0 0.2 0.2 0 0.2 0.2 0.5 0 0 0 0.5 0.5 1.0 2.0 0.2 0.2 0.2 5,9 / low
Liu H et al.
2011
0 0.2 0.2 0 0 0 0.5 0 1.5 0 0.5 0.5 0 2.0 0.2 0.2 0.2 6 / moderate
Naranjo et al. 2006 0 0.2 0.2 0 0.2 0.2 0.5 0 0 0 0.5 0.5 1.0 2.0 0.2 0.2 0.2 5,9 / low
Van Gastel et al. 2011 0.4 0.2 0.2 0 0 0.2 0 1.5 1.5 0 0 0 1.0 2.0 0.2 0.2 0.2 7.6 / moderate