Design	Prosthetic failures (immediate loading first)	Implant failures (immediate loading first)
Chiapasco 2001	Parallel	No failures	1/10, 1/10
Romeo 2002	Parallel	No failures	0/10, 1/10
Cannizzaro 2003	Parallel	0/14, 1/14	0/14, 1/14
Hall 2006	Parallel	1/13, 0/12	1/13, 0/12
Oh 2006	Parallel	3/12, 0/12	3/12, 0/12
Assad 2007	Parallel	No failures (n = 5)	No failures (n = 5)
Turkyilmaz 2007	Parallel	No failures (n = 10)	No failures (n = 10)
Crespi 2008	Parallel	No failures (n = 20)	No failures (n = 20)
Donati 2008	Parallel	3/86, 0/51	3/86, 0/51
Güncü 2008	Split‐mouth	1/13, 0/13	1/13, 0/13
Schincaglia 2008	Parallel	1/15, 0/15	1/15, 0/15
De Rouck 2009	Parallel	1/25, 2/24	1/25, 2/24
Enkling 2010	Parallel	No failures (n = 15)	No failures (n = 15)
den Hartog 2011	Parallel	1/31, 0/31	1/31, 0/31
Meloni 2012	Split‐mouth	No failures (n = 20)	No failures (n = 20)