The ‘Alternating Osteotome Technique’: a surgical approach for combined ridge expansion and sinus floor elevation. A multicentre prospective study with a three-year follow-up

Figures & data

Table 1. Osteotome characteristics.

Device number	Concave spike	Convex spike	Length (mm)	Apical diameter (mm)
No. 1	x		4.0	2.5
No. 2		x	5.5	2.5
No. 3	x		7.0	2.5
No. 4		x	8.5	2.5
No. 5	x		10.0	2.5
No. 6		x	10.0	2.5
No. 7		x	11.5	2.5
No. 8		x	13.0	2.5
5 mm corrector		x	10.0	3.1
Cylindric corrector No. 1	x		13.0	3.0
Cylindric corrector No. 2		x	13.0	3.0

Figure 1. Alternating Osteotome Technique: (a) initial position; (b) final position.