Dental Tribune Chinese Edition

www.dentistx.com 1 Oscillating- rotating 1/3 circular mode-of-ac- tion counter-oscillation (side-to-side)( ) 27% oscillating/rotating Cochrane (Deacon , 2011) 5 2010 7 17 1300 2 4 ( ) 7 3 (1-3 ) SMD=0.24 (95% CI; 0.02 0.46) 7%Turesky Quigley & Hein SMD=0.35 (95% CI; -0.04 0.74) 1 3 (Van derWeijden , 2011) 35 ( ) “ ” Robinson 2005 Deacon 2011 Cochrane (Heanue , 2002) 5 ( 2001 ) 4 Robinson 2005 Yacoob 2011 50 4327 oscillating/rotating (1-3 ) (SMD) SMD=0.53 (95%CI; -0.74 -0.31) SMD=0.49 (95%CI; -0.73 -0.26) 3 circular counter-oscillation side-to-side oscillating-rotating 1