Study Number of
patients 		Age
(years) 		Group of study Bone graft PRF type
Test group Control group
Nizam et al. [17] 13 49.92 (SD 10.37) MSFA DBBM + L-PRF
(n = 13) 		MSFA
DBBM alone
(n = 13) 		DBBM L-PRF
Pichotano et al. [18] 12 54.17 (SD 6.95) MSFA DBBM + L-PRF
(n = 13) 		MSFA DBBM alone
(n = 13) 		DBBM L-PRF
Salimzade et al. [19] 15
(30 MSFA) 		53.6 (SD 0.18) MSFA PRF with bone graft
(n = 15) 		MSFA bone graft with membrane
(n = 15) 		DBBM L-PRF
de Almeida Malzoni et al. [20] 24 54.08 (SD 10.07) MSFA L-PRF with bone graft
(n = 24) 		MSFA only bone graft
(n = 12) 		DBBM L-PRF
Shiezadeh et al. [21] 20 Group with PRF:
42.7 (SD 5.79);
Group without PRF:
40.3 (SD 4.83) 		MSFA PRF with bone graft
(n = 10) 		MSFA-only bone graft
(n = 10) 		Allograft PRF

MSFA = maxillary sinus floor augmentation; DBBM = deproteinized bovine bone mineral; PRF = platelet rich fibrin; L-PRF = leukocytes platelet rich fibrin; n = number of maxillary sinus floor augmentation procedures; SD = standard deviation.