PMC6146654_01
Pretreatment facial and intraoral photographs.
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The clinical examination showed a mild convex profile, a decreased anterior lower facial height, a prominent chin button, and a symmetrical face in frontal view (Figure 1). In addition, his oral hygiene was unsatisfactory and needed periodontal scaling before fixed orthodontic treatment (Figures 1 and 2). As a result, the interincisal angle was increased (U1/L1, 172.7 ) (Figure 3 and Table 1).
Pretreatment dental casts.
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In addition, his oral hygiene was unsatisfactory and needed periodontal scaling before fixed orthodontic treatment (Figures 1 and 2).
Pretreatment cephalography, panoramic radiograph, and pretreatment image of maxillary left central incisor from CBCT.
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Normal root length and bone height were present, with no caries or other pathology noted (Figure 3). Dehiscence was found on the facial root surface of upper central incisor through the CBCT (Figure 3). As a result, the interincisal angle was increased (U1/L1, 172.7 ) (Figure 3 and Table 1).