Fig. 2From: Effects of different grafting materials on volumetric changes in the Schneiderian membrane following lateral maxillary sinus floor elevation: a preliminary studyThree-dimensional display of the measurement. A Three-dimensional reconstruction of CBCT data; B The whole sinus cavity (purple); C The air cavity (yellow) of the preoperative sinus; D The grafts (Green) in the sinus cavity extracted from post-operative CBCTBack to article page