PMC6026101_01
Preoperative left lateral view
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F1
He had undergone TMJ surgery twice, but the operations had been unsuccessful and the TMJ ankylosis relapsed (Fig. 1).
The distraction osteogenesis (DO) procedure. (a) Left lateral view. (b) Panoramic view
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F2
The osteodistractor was installed four months later (Fig. 2).
The Sh-device. (a) Left lateral view. (b) Frontal view of the patient wearing the Sh-device. (c) Lateral view of the patient wearing the Sh-device
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F3
The stoppers are made of a firm clear plastic; the inner stopper surface is covered with a layer of soft spongy tissue that provides comfort for the patient upon using the Sh-device (Fig. 3).
Final result of the treatment. (a) Right lateral view. (b) Left lateral view of the corrected dental occlusion
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F4
The patient's maximum incisal opening increased to 38mm (Fig. 4).