Primary study · included by 1 review

Short (6-mm) dental implants versus sinus floor elevation and placement of longer (≥10-mm) dental implants: a randomized controlled trial with a 3-year follow-up.

Bechara 2017 · Bechara Souheil, Kubilius Ricardas, Veronesi Giovanni, et al. · Clinical oral implants research · 2017

Included by

Short Implants Versus Sinus Floor Elevation With Standard Implants in the Atrophic Posterior Maxilla: A Systematic Review and Meta-Analysis.

Non-Cochrane · intervention · 2026 · cited as Bechara 2017 · Table 3 (cohort B; ref 14); Figure 3

Outcome this study informs	Pooled effect	Evidence	Certainty
Implant survival (patient level) Short implants (<=6 mm) placed without sinus floor elevation vs Standard implants (>8 mm) placed with sinus floor elevation (lateral or transcrestal) · Latest follow-up per cohort (36 to 120 months)	RR 1.00 [0.56, 1.76]	2 studies · 154 participants	Very low
Implant survival (patient level) Short implants (<=6 mm) placed without sinus floor elevation vs Standard implants (>8 mm) placed with sinus floor elevation (lateral or transcrestal) · Latest follow-up per cohort (36 to 120 months)	RR 0.99 [0.87, 1.12]	3 studies · 174 participants	GRADE not reported
Implant survival (patient level) Short implants (<=6 mm) placed without sinus floor elevation vs Standard implants (>8 mm) placed with sinus floor elevation (lateral or transcrestal) · Latest follow-up per cohort (36 to 120 months)	RR 1.00 [0.56, 1.76]	2 studies · 154 participants	GRADE not reported
Implant survival (patient level) Short implants (<=6 mm) placed without sinus floor elevation vs Standard implants (>8 mm) placed with sinus floor elevation (lateral or transcrestal) · Latest follow-up per cohort (36 to 120 months)	RR 0.99 [0.94, 1.04]	2 studies	GRADE not reported
Implant survival (patient level) Short implants (<=6 mm) placed without sinus floor elevation vs Standard implants (>8 mm) placed with sinus floor elevation (lateral or transcrestal) · Latest follow-up per cohort (36 to 120 months)	RR 0.99 [0.93, 1.05]	3 studies · 174 participants	GRADE not reported
Implant survival (implant level) Short implants (<=6 mm) placed without sinus floor elevation vs Standard implants (>8 mm) placed with sinus floor elevation (lateral or transcrestal) · Latest follow-up per cohort (36 to 120 months)	RR 1.00 [0.93, 1.08]	2 studies	GRADE not reported
Implant survival (patient level) Short implants (<=6 mm) placed without sinus floor elevation vs Standard implants (>8 mm) placed with sinus floor elevation (lateral or transcrestal) · Latest follow-up per cohort (36 to 120 months)	RR 1.00 [0.91, 1.09]	2 studies · 154 participants	GRADE not reported

1 including review in total.