Use of cone beam computed tomography in periodontology

Figure 1 The diagram displays cone-beam and fan-beam shapes in cone beam computed tomography (A) and medical computed tomography (B).

Figure 2 Multi-planar reconstructed images can be generated by cone beam computed tomography volumetric data.

Figure 3 The dimensions of the irradiated regions with different field of view sizes are shown schematically. A: Small FOV; B: Medium FOV; C: Large FOV. FOV: Field of view.

Figure 4 Anisotropic (A) and isotropic (B) 3D images.

Figure 5 Beam-hardening artifacts caused by metal restorations (arrows).

Figure 6 Streak artifacts are observed as radiopacity in a radial manner (arrows).

Figure 7 Furcation involvement can not be observed in the panoramic-like section (A) whereas it can be evaluated in the axial (B) and cross-sectional (C) cone beam computed tomography image (arrows).

Figure 8 The amount and shape of bone resorption in the furcation area of maxillary molar tooth can not be assessed in the panoramic-like section (A), however, this involvement is seen in the axial section (B) (arrow).

Figure 9 The vertical alveolar bone defects are viewed in cone beam computed tomography images (A, B) (white arrows) and the expansion of periodontal ligament space is also seen in the right maxillary first premolar tooth (B) (black arrow).

Figure 10 The images acquired for preoperative implant planning are displayed the distances between the alveolar process of maxillary molar areas and the bases of the maxillary sinuses (A), a curve is projected on the axial section (B) and the cross-sectional images are obtained (C).

Figure 11 The block graft and mini screw providing graft stabilization are placed in the maxillary anterior region (A and B), the amount of bone augmentation can be evaluated in the cross-sectional images (C and D).