Comparison		Test Group 1 participants* (implants)	Test Group 2 participants (implants)
Immediate versus conventional	All (15 trials)	299 (432)	236 (401)
	Mandible (8 trials)	98 (199)	66 (199)
	Maxilla (6 trials)	187 (187)	156 (156)
	Both (1 trial)	14 (46)	14 (46)
Early versus conventional	All (3 trials)	52 (167)	44 (119)
	Mandible (2 trials)	36 (72)	36 (72)
	Maxilla (1 trial)	16 (95)	8 (47)
Immediate versus early	All (6 trials)	268 (464)	230 (449)
	Mandible (1 trials)	30 (30)	(30)
	Maxilla (1 trials)	15 (90)	15 (87)
	Both (4 trial)	223 (314)	185 (302)
Occlusal versus non‐occlusal	All (2 trials)	44 (44)	44 (44)
	Maxilla (1 trials)	24 (24)	24 (24)
	Both (1 trial)	20 (20)	20 (20)