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Table 5 Quality assessment

From: The impact of surgery-first approach on the oral health-related quality of life: a systematic review and meta-analysis

Study Study design Study type Definitive grade
Park 2015 Retrospective Non-randomized controlled trial B
Huang 2016 Prospective Non-randomized controlled trial B
Feu 2017 Prospective Non-randomized controlled trial B
Pelo 2017 Prospective Randomized controlled trial B