case_images: PMC6146654_01
case_images: Pretreatment facial and intraoral photographs.
case_images: CRID2018-9563875.001.jpg
case_images: PMC6146654_01_CRID2018-9563875.001.jpg
case_images: fig1
case_images: 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).
case_images: Pretreatment dental casts.
case_images: CRID2018-9563875.002.jpg
case_images: PMC6146654_01_CRID2018-9563875.002.jpg
case_images: fig2
case_images: In addition, his oral hygiene was unsatisfactory and needed periodontal scaling before fixed orthodontic treatment (Figures 1 and 2).
case_images: Pretreatment cephalography, panoramic radiograph, and pretreatment image of maxillary left central incisor from CBCT.
case_images: CRID2018-9563875.003.jpg
case_images: PMC6146654_01_CRID2018-9563875.003.jpg
case_images: fig3
case_images: 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).