The Maxillary Sinus Membrane Elevation Procedure: Augmentation of Bone around Dental Implants without Grafts—A Review of a Surgical Technique

Table 1

Summary of published studies (1997–2011) of sinus lift with blood only with a follow-up of one year or more.

Study	number of patients	number of implants	Implant type	One-stage/ two-stage	Implant surface	Followup (mo)	Baseline bonelevel (mm)	Bone gain (mm)	Perforation of sinus (%)	Survival (%)
Ellegaard et al. [1]	24	26	Astra	Two-stage	TiO2-blasted	29,9 (average)	≥3	“Bone gain in most of the implants”	“In a few cases away from the implant site”	95%
		12	ITI	Two-stage	Solid screw	25,3 (average)				86%
Lundgren et al. [14]	10	19	TiUnite	Two-stage	Anodic oxidized	12	7 (range 4–10)	“In all patients bone formation was seen”	Perforation is described but ND	100%
Ellegaard et al. [15]	68	59	Astra	Two-stage	TiO2-blasted	64.2 (0–128)	≥3	ND	ND	10 yrs 85.4%
		72	ITI	One-stage	Solid screw	57.5 (0–143)				10 yrs 79.9%
Chen et al. [16]	33	18	ITI and Swissplus	One-stage	ND	24	7.5±2.1	4.5 (range 3–9)	0	100%
		29	Frialit-2	Two-stage	ND
Thor et al. [17]	20	44	Astra	Two-stage	TiO2-blasted	14–45	range 2–9	6.51 (range 4–10)	41	97.7%
Hatano et al. [18]	6	14	TiUnite	Two-stage	Anodic oxidized	12–34	range 2–10	ND	0	92,9%
Sohn et al. [19]	10	21	Seven	Two-stage	Sand-blasted and acid-etched	8.5 (range 6–12)	5 (range 1–9)	“All cases revealed bone formation”	Perforation is described but ND	100%
Balleri et al. [20]	15	28	Astra	Two-stage	TiO2-blasted	12	6.2 (range 4–10)	5.5 (range 3–8.2)	3 cases unknown number of sinuses	100%
Lin et al. [21]	44	80	ITI, Swissplus and Frialit-2	Mixed	ND	60	5.1 (range 4.6–6.6)	7.4 (range 5.7–9.1)	ND	100%
Cricchio et al. [22]	84	179	TiUnite	Two-stage	Anodic oxidized	12–72	5,7 (range 3.4–8)	5,2 (range 3–7.4)	11	99%

ND: no data.