Asymmetric Extraction Treatment in a Middle-Aged Patient with Dental Crowding and Protrusion using Clear Aligners

Figure 2

Pretreatment radiographs. (a) Panoramic radiograph sectioned from CBCT. (b–d) Three-dimensional reconstruction of CBCT. (e) The mandibular right first molar exhibited obvious radiolucency in the furcation and apical region, with root resorption. (f) The maxillary left second premolar exhibited a radiolucency in the distal regions of the crown. (g) Lateral cephalogram. (h) Lateral cephalometric tracing.

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