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Table 4 Information about total number of implants placed, number of implants placed below perforated membranes, number of implants placed below non-perforated membranes and their survival rates (%), and mean follow-up period of each study

From: Management of Schneiderian membrane perforations during maxillary sinus floor augmentation with lateral approach in relation to subsequent implant survival rates: a systematic review and meta-analysis

Author/year

Implants (number)

Implants inserted under perforated membranes (number)

Implants inserted under intact membranes (number)

Implant survival rate in perforated membranes

Implant survival rate in intact membranes

Mean follow-up (months)

Park et al. [4]

122

44

78

100%

100%

Perforation group: 11.52 (±6.6)

Control group: 10.38 (6.73)

Beck-Broichsitter et al. [47]

175

92

89

98.9%

100%

Perforation group: 31 (±24)

Control group: 20 (±18)

Ferreira et al. [16]

1588

523

1065

97.1%

97.7%

Perforation group: 24

Control group: 24

Öncü E et al. [19]

35

15

20

100%

100%

Perforation group: 6-12

Control group: 6-12

Froum et al. [48]

80

35

45

100%

95.5%

Perforation group:6-32

Control group: 6-32

Oh E et al. [49]

438

134

304

97.01%

99%

6-32

Hernández-Alfaro et al. [50]

1166

272

894

90.81%

100%

12

Total

3604

1115

2495

97.68%

98.88%

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