Appendix S1. Excluded studies after full text analysis
Not related to mucogingival surgery
(Gregg & McCarthy 2001)
(Grunert et al. 1989)
(Jemt et al. 1990)
(Malament 1992)
(Marggraf 1980)
(McLain et al. 1983)
(Morabito et al. 1990)
(Page & Sturdivant 2002)
(Planche & Hadjean 1997)
(Wachtel et al. 1986)
(Weinstein et al. 1987)
(Wirnsberger et al. 1998)
Not RCT
(Cairo & Pini-Prato 2010)
(Chen et al. 2002)
(Cwiklinski 2009)
(Gunay et al. 2008)
(Harris 1997)
(Harris 2002)
(Hernández et al. 2011)
(Hirsch et al. 2005)
(Isasi Cruz & Llanes Llanes 1977)
(Mahn & Woodside 2012)
(Mahn 2002)
(Marggraf et al. 1987)
(Minsk 2004)
(Muller et al. 2001)
(Mutschelknauss & Flores 1976)
(Najera 2003)
(Park 2009)
(Pini-Prato et al. 2010)
(Schadle & Matter-Grutter 1993)
(Schneider & Zeuner 1988)
(Stakiw 1994)
(Young 2003)
Single Recession
(Ayub et al. 2012)
(Bittencourt et al. 2012)
(Alves et al. 2012)
(Mahajan et al. 2012)
(Jankovic et al. 2012)
(Moslemi et al. 2011)
(Mazzocco et al. 2011)
(McGuire & Scheyer 2010)
(Rasperini et al. 2011)
(Henriques et al. 2010)
(Jankovic et al. 2010)
(Dilsiz et al. 2010)
(Santamaria et al. 2010)
(Pourabbas et al. 2009)
(Cardaropoli & Cardaropoli 2009)
(Santamaria et al. 2009a)
(Bittencourt et al. 2009)
(Haghighati et al. 2009)
(Byun et al. 2009)
(Santamaria et al. 2009b)
(McGuire et al. 2009)
(Santamaria et al. 2008)
(Mahajan et al. 2007)
(Lucchesi et al. 2007)
(de Queiroz Cortes et al. 2006)
(Rahmani & Lades 2006)
(Pilloni et al. 2006)
(Bittencourt et al. 2006)
(Cheung & Griffin 2004)
(Trabulsi et al. 2004)
(De Queiroz et al. 2004)
(Wang et al. 2001)
(Duval et al. 2000)
(Paolantonio et al. 2002)
(Abolfazli et al. 2009)
(da Silva et al. 2004)
(Pini Prato et al. 1996)
(Ricci et al. 1996)
(Jepsen et al. 2013)
(Barker et al. 2010)
(Santana et al. 2010)
(Felipe et al. 2007)
(Moses et al. 2006)
(Barros et al. 2005)
(Pini Prato et al. 2005)
(Zucchelli et al. 1998)
(Muller et al. 1999)
(Spahr et al. 2005)
(Cueva et al. 2004)
(McGuire et al. 2009)
(Shin et al. 2007)
uncertain follow-up
(Harris et al. 2005)
< 10 patients
(Tozum & Dini 2003)
1
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8