Biological Principles and Physiology of Bone Regeneration under the Schneiderian Membrane after Sinus Lift Surgery: A Radiological Study in 14 Patients Treated with the Transcrestal Hydrodynamic Ultrasonic Cavitational Sinus Lift (Intralift)

Figure 1

Intralift: 6 mm gingival punch or 6 × 6 mm top crestal flap to approach the alveolar crest.