PMC6585206_01
Pretreatment extraoral photographs
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F1
A 21-year-old male was referred to the department of orthodontics and dentofacial orthopedics with a chief complaint of asymmetry of the face [Figure 1] and forwardly placed upper front teeth.
Pretreatment intraoral photographs
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F2
Intraoral examination [Figure 2a and b] revealed an Angle's Class II division I subdivision malocclusion with lower anterior crowding.
Pretreatment cone-beam computed tomography images
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F3
The patient underwent a CBCT scan [Figure 3].
Pretreatment panoramic view
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F4
The panoramic view [Figure 4] revealed condylectomy of the left side as reported in the history.
Pretreatment lateral cephalogram
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F5
Pretreatment posteroanterior cephalogram
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F6
The upper and lower incisors were proclined on their bases. The posteroanterior cephalometric radiograph [Figure 6] showed a mandibular deviation to the left side.
Upper occlusal radiograph showing hyrax expansion screw
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F7
A hyrax screw soldered to the bands on the maxillary first premolars and molars was used for the expansion [Figure 7].
Model surgery and splint fabrication
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F8
Model surgery was performed on articulator-mounted casts in centric relation [Figure 8].
Intraoperative photographs
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F9
A bijaw surgery was performed according to the values obtained from the model surgery [Figure 9].
Posttreatment extraoral photographs
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F10
A marked correction of facial asymmetry and occlusal cant was achieved after surgery, resulting in a significant improvement of facial esthetics [Figures 10 and 11].
Posttreatment intraoral photographs
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F11
A marked correction of facial asymmetry and occlusal cant was achieved after surgery, resulting in a significant improvement of facial esthetics [Figures 10 and 11].
Posttreatment panoramic radiograph
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F12
Posttreatment panoramic radiograph [Figure 12] revealed acceptable root paralleling without any significant root resorption.
Posttreatment cephalometric radiograph
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F13
Cephalometric analysis and superimposition [Figures 13 and 14] showed correction of the skeletal Class II pattern with a slight increase in the mandibular plane angle.
Cephalometric superimposition
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F14
Cephalometric analysis and superimposition [Figures 13 and 14] showed correction of the skeletal Class II pattern with a slight increase in the mandibular plane angle.
Posttreatment posteroanterior cephalogram
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F15
The posteroanterior cephalogram [Figure 15] showed a significant improvement in facial symmetry with the mandible nearly in line with the facial midline.