PMC9771660_01
Standard radiological assessment. (a) Initial panoramic radiograph showing superposition of the hyoid bone on the left mandibular basilar border (white dashed circle), masking the osteolytic image. (b) Panoramic radiograph repeated with the patient in a slightly hyperextended position, allowing a lower projection of the hyoid bone (dotted white arrow), and a good visualization of the osteolytic image of the left basilar border (white arrow). (c) Retroalveolar radiograph performed after extraction of the tooth #37 showing the healing alveolus of this tooth and an osteolytic image (white arrows) below the mandibular canal (black arrowheads) at the lower limit of the radiograph.
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fig1
Panoramic radiograph was performed (Figure 1(a)). This examination showed the presence of a well-limited homogeneous radiolucent image located below the mandibular canal on the left mandibular basilar border (Figure 1(b)). Retroalveolar radiograph was then performed (Figure 1(c)). It demonstrated a healing alveolar bone, but it also revealed an osteolytic image at the basilar border, previously described in Figure 1(b).
Mandibular axial computed tomography sections in bone window after extraction of the left mandibular second molar (tooth #37). (a) and (b) Sections at the alveolar bone of the tooth #37 showing the absence of bone lesions (black dashed circle). (c) and (d) Sections through the mandibular basilar border allowing the visualization of a mixed image at the region of the left basilar border of 1 cm long axis (white circle).
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fig2
Computed tomography (CT) scan (Figures 2 and 3) was performed, and it revealed the presence of a mixed image, with a size not exceeding 1 cm on the long axis within the left mandibular cortical bone (Figures 2(c), 2(d), and 3(b)). CT scan confirmed the absence of bony lesions in the alveolar bone periphery of the previously extracted tooth (Figures 2(a) and 2(b)).
Mandibular DentaScan showing a well-limited mixed image on the left basilar border (white circle) and osteocondensation at the image periphery (black arrows). (a) Mandibular reference axial section. (b) Oblique reconstructions perpendicular to the curvature of the mandibular arch. (c) Panoramic reconstruction parallel to the curvature of the mandibular arch.
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fig3
Computed tomography (CT) scan (Figures 2 and 3) was performed, and it revealed the presence of a mixed image, with a size not exceeding 1 cm on the long axis within the left mandibular cortical bone (Figures 2(c), 2(d), and 3(b)). A zone of osteocondensation was revealed in the image periphery (Figure 3(c)).