Study Year of
publication 		Follow-up
(years) 		Patients
(n) 		Dropout
(n) 		Age
(years) 		Gender
(male; female) 		Implants
(n) 		Implant and abutment system Implant dimensions
(mm) 		Jaw location
(%) 		Loading protocol
(months) 		Disconnections
(n)
Total OAOT Control Mean (SD) OAOT Control OAOT Control Length Diameter OAOT Control OAOT Control
Praça et al. [17] 2020 2 24 12 12 0 34.33 (7.79) 5; 7 8; 4 12 12 Morse Taper M+N
(Zimmer Biomet) 		8.5, 10, 11.5 4.1, 5.1 Lower and upper second premolar and first molar 3 3
D'Avenia et al. [18] 2020 5 80 40 40 13 NR 17; 23 16; 24 58 70 Ankylos® C/X
(Dentsply Sirona) 		8, 9.5, 11, 14 3.5, 4.5, 5.5 Maxilla: 36.2;
mandible: 64 		Maxilla: 43;
mandible: 57 		24 h provisonal without occlusal contacts 3 3
Ríos-Santos et al. [19] 2020 1 160 79 81 13 54.89 40; 31
(after dropout) 		35; 41 (after dropout) 117 141 Klockner® VEGA® implants with a ContacTi® surface
(Soadco S.L.) 		8, 10, 12, 14 4, 4.5 NR 4 4 3
Hamudi et al. [20] 2021 3 21 21 21 0 66.23 (9.35) 6/15 21 21 MIS® C1
(MIS Implants Technologies, Ltd.) 		8, 10, 11.5, 13, 16 3.75, 4.2, 5.0 Maxilla 43;
mandible 57 		3 to 6 3-5
Moreira et al. [21] 2021 1 31 NR NR 0 50.7
(range 32 to 67) 		NR NR 23 30 Klockner® VEGA® implants with a ContacTi® surface
(Soadco S.L.) 		8, 10, 12 4, 4.5 Maxilla 47.8; mandible 52.2 Maxilla 33.3; mandible 66.7 3 3
Calatrava et al. [22] 2024 1 40 20 20 3 55.17 (10.62) 12; 8 8; 12 40 40 Conelog® Screw-Line
(Camlog) 		7, 9, 11 3.8, 4.3 Maxilla 45; mandible 55 Maxilla 55; mandible 45 3 3
Sanz-Sánchez et al. [23] 2024 5 39 18 21 7 52.11 11; 7 11; 10 29 31 Conelog® Screw-Line
(Camlog) 		9, 11, 13 3.8, 4.3 Maxilla 44.45; mandible 47.62 Maxilla 55.56; mandible 52.38 1.5 to 3 1

n = number; OAOT = one-abutment-one-time; NR = not recorded; RCT = randomized controlled trial.