case_images: PMC11321889_01
case_images: (a) En face and profile view before treatment. (b) En face and profile view during treatment:2 years later.
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case_images: fig1
case_images: Extraoral examination before treatment revealed convex profile, retrognathic chin, shortened lower third of the face, proclined upper incisors, and incompetent lips (Figure 1(a)). The extraoral examination revealed improvement of the facial proportions, especially the profile (Figure 1(b)).
case_images: (a) Intraoral photos before treatment. (b) Intraoral photos 2 years after start of treatment.
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case_images: fig2
case_images: Intraoral examination showed constricted maxilla, proclination of the upper anterior teeth, crossbite in first molars on the right, deep overbite, and distal occlusion with overjet of approximately 8 mm (Figure 2(a)). Intraoral examination showed improvement in the occlusion (Figure 2(b)).
case_images: Panoramic X-rays (a) before and (b) 2 years after the onset of treatment.
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case_images: fig3
case_images: The panoramic X-ray observed has no signs of morphological alterations in the TMJ 2 years after the beginning of the treatment (Figures 3(a) and 3(b)).
case_images: (a) Cephalometric analysis and data before treatment. (b) Cephalometric analysis and data after 2 years of treatment.
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case_images: fig4
case_images: Cephalometric analysis 2 years after the onset of the treatment showed significant improvement of the inclination of the upper incisors (Figures 4(a) and 4(b)).
case_images: TMJ X-ray.
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case_images: fig5
case_images: The X-ray of the TMJ did not show any morphological alterations (Figure 5).
case_images: The patient with the EMG probes adhered to the skin.
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case_images: fig6
case_images: The purpose of the sEMG study was to determine if there was any muscle imbalance due to occlusal interference. It was done immediately after the beginning of the complaints of pain in the TMJ and 1 year later. The recordings were taken bilaterally from masseter and anterior temporalis muscles during a 5-s maximal voluntary clench (Figure 6).
case_images: Electromyographic evaluation of the occlusion.
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case_images: fig7
case_images: There was no functional shift or torsion (TORS) which is the predisposition for TMD, or decrease of the muscle force (IMP), which results from a TMD-related pain (Figure 7).