Table 4 New bone formation in relation to the implant system

Average protrusion length (mm)

2.07 ± 0.45

2.20 ± 0.75

1.94 ± 0.83

> 0.05

Endo sinus bone gain (mm)

2.37 ± 0.76(C)

1.83 ± 1.08(C)

1.58 ± 0.64(C)

0.435^a

0.788^b

0.058^c

2.54 ± 0.71(S)

1.96 ± 0.60 (S)

1.74 ± 0.56(S)

0.231^d

0.765^e

0.014 ^f