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Table 1 Summary of the studies meeting the eligibility criteria and levels of clinical evidence (CEBM 2011) (n = 42)

From: Full arch rehabilitation in patients with atrophic upper jaws with zygomatic implants: a systematic review

Author Type of study Follow-up (months) No. of patients No. of implants Technique Levels of evidence
Aleksandrowicz et al. [13] Retrospective 152 45 88 Intrasinusal and extrasinusal 2a
Alzoubi et al. [14] Retrospective 228 23 53 NR 2a
Agliardi et al. [4] Prospective 97 15 42 Intrasinusal 1b
Aparicio et al. [3] Prospective 72 69 131 NR 1b
Aparicio et al. [8] Longitudinal cohort study 48 20 36 Extrasinusal 1b
Aparicio et al. [15] Prospective 72 25 47 Intrasinusal and extrasinusal 1b
Aparicio et al. [16] Prospective 120 80 197 Intrasinusal and extrasinusal 1b
Aparicio et al. [17] Prospective 120 22 41 Intrasinusal 2b
Atalay et al. [18] Prospective 96 16 32 Intrasinusal and extrasinusal 2b
Balshi et al. [19] Retrospective NR 77 173 NR 2b
Bedrossian [20] Case series 6 4 7 Intrasinusal 4
Binon [21] Case series 108 4 11 NR 4
Brånemark et al. [7] Prospective 120 28 52 Intrasinusal 1b
Butura and Galindo [22] Retrospective 24 19 40 Sinus Slot 4
Chana et al. [23] Retrospective 216 45 88 NR 2a
Chow et al. [24] Prospective 10 5 10 Intrasinusal 4
Coppedê et al. [25] Prospective 36 42 94 Extrasinusal 1b
Davó and Pons [26] Prospective 72 17 68 NR 1b
Davo et al. [27] Retrospective 29 18 36 Intrasinusal 2b
Davó et al. [28] Retrospective 12 42 81 Intrasinusal and Sinus Slot 2b
Davó et al. [29] Retrospective 42 36 71 Intrasinusal and Sinus Slot 2b
Davó [30] Retrospective 72 24 45 Intrasinusal 2b
Davo et al. [31] Prospective 12 17 68 Intrasinusal 1b
de Araújo Nobre et al. [32] Prospective 12 40 72 Extrasinusal 1b
Duarte et al. [6] Prospective 30 12 48 Intrasinusal 1b
Esposito et al. [33] Prospective 12 20 80 Intrasinusal 1b
Fernández et al. [34] Retrospective 48 80 244 Intrasinusal 2b
Fortin [35] Retrospective 156 49 107 NR 2a
Kahnberg et al. [36] Prospective 36 76 145 Intrasinusal 1b
Malevez et al. [37] Retrospective 48 55 103 Extrasinusal 2b
Maló et al. [38] Prospective 18 29 67 Extrasinusal 1b
Maló et al. [39] Retrospective 72 39 92 Extrasinusal 2b
Mozzati et al. [40] Prospective 30 10 40 Intrasinusal 1b
Neugarten et al. [41] Retrospective 60 28 105 Intrasinusal and extrasinusal 2b
Nocini et al. [42] Prospective 20 4 16 NR 4
Pellicer-Chover et al. [43] Retrospective 144 22 44 Sinus Slot 2b
Peñarrocha et al. [44] Retrospective 84 NR 4 Sinus Slot 2b
Schiroli et al. [45] Prospective 39 4 7 Intrasinusal 4
Stiévenart and Malevez [46] Retrospective 40 20 80 Intrasinusal 2b
Wang et al. [47] Retrospective NR 15 52 Intrasinusal 2b
Wu et al. [48] Prospective 36 10 20 NR 1b
Yates et al. [49] Retrospective 120 25 43 Modified sinus Slot 2a
  1. NR not reported