From: Effect of protraction facemask on the temporomandibular joint: a systematic review
Author | Study design | Study type | Definitive grade |
---|---|---|---|
Mandall (2010) and Mandall (2012) | Prospective | Randomized controlled trial | A |
Kurt (2010) | Prospective | Randomized controlled trial | A |
Ngan (1997) | Prospective | Before-after study | B |
Franchi (1998) and Baccetti (1998) | Prospective | Controlled trial | B |
Gallagher (1998) | Prospective | Cohort study | B |
EI (2010) | Prospective | Randomized controlled trial | A |
Gong (2014) | Prospective | Before-after study | C |
Yao (2001) | Prospective | Before-after study | C |
Baccetti (1999) | Prospective | Cohort study | B |
Baccetti (2000) | Prospective | Cohort study | B |
Chang (2006) | Retrospective | Cohort study | B |
Franchi (2014) | Retrospective | Cohort study | B |
Lee (2016) | Retrospective | Before-after study | C |