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Table 4 Quality assessment of included randomized controlled studies

From: A comparison of treatment effectiveness between clear aligner and fixed appliance therapies

Reference Random sequence generation Allocation concealment Blinding of participants and personnel Blinding of outcomes assessment Incomplete outcome data Selective reporting Other bias
Li2015 Low risk Low risk High risk Low risk Low risk Low risk Low risk
Hennessy2016 Low risk Low risk High risk Unclear risk Low risk Low risk Low risk