Research Article

Osteotome-Induced Blood Clot and Subsequent Bone Formation with the Use of Collagen Sponge for Integration of Single Dental Implants into the Atrophied Posterior Maxilla: A Retrospective Follow-Up of 36 Implants after 5 to 13 years

Table 2

Results from measurements of intrasinus bone formation.

Vertical bone height (mm ± SD)Bone gain from implant surgery (mm ± SD)Statistics ( value)

Implant surgery5.9 ± 1.4
Second implant surgery9.7 ± 1,13.8 ± 1.10.001
Follow-up8.3 ± 1.82.4 ± 1.40.001