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Table 2 Characteristics of included studies

From: Simultaneous placement of short implants (≤ 8 mm) versus standard length implants (≥ 10 mm) after sinus floor elevation in atrophic posterior maxillae: a systematic review and meta-analysis

Author

Publication

Study type

Implant groups

Number of patients, n

Implant number, n

Implant length, mm

Implant system

Failed implant, n

Shi et al. 2021

RCT

Short implants + OSFE

62

62

8

Straumann implants

1

Standard implants + OSFE

70

70

10

 0

Cannizzaro et al. 2013

RCT

Short implants + OSFE

20

38

8

Tapered Screw-Vent MP-1 HA Dual Transition Selective Surface

10

Long implants + LSFE

20

44

10,13 or 16

5

Yu et al. 2016

RCT

Short implants + OSFE

20

38

6.5

Thommen dental implants

0

Standard implants + LSFE

18

42

11 or 12.5

1

Author

Publication

Implant groups

Survival rate (%)

MBL, mm

Intra-surgical complication, n

Post-surgical complication, n

RBH, mm

Follow-up, y

Shi et al. 2021

Short implants + OSFE

98.4

0.50 ± 0.30

7 sinus membrane perforation

21 peri-implant mucositis, 2 peri-implantitis

≥ 6, < 8

3

Standard implants + OSFE

100

0.53 ± 0.28

6 sinus membrane perforation

13 peri-implant mucositis, 1 peri-implantitis

Cannizzaro et al. 2013

Short implants + OSFE

97.4

0.41 ± 0.42

0

1 peri-implant bone loss, 1 peri-implantitis

3–6

5

Long implants + LSFE

88.6

0.72 ± 0.41

2 sinus membrane perforation

1 abscess and 1 sinusitis, 1 peri-implant mucositis

Yu et al. 2016

Short implants + OSFE

100

0.35 ± 0.60

2 sinus membrane perforation

4 nasal bleeding with postoperative headache

4–5

2

Standard implants + LSFE

97.6

0.40 ± 0.71

1 sinus membrane perforation

1 abscess, 5 nasal bleeding

  1. RCT randomized controlled trial, OSFE osteotome sinus floor elevation, LSFE lateral sinus floor elevation, RBH residual bone height, MBL marginal bone loss