case_images: PMC10545458_01
case_images: Pretreatment facial and intraoral photographs.
case_images: CRID2023-8833818.001.jpg
case_images: PMC10545458_01_CRID2023-8833818.001.jpg
case_images: fig1
case_images: A 3 mm of Bolton discrepancy with the excess of maxillary anterior teeth was measured (Figures 1 and 2).
case_images: Pretreatment dental models.
case_images: CRID2023-8833818.002.jpg
case_images: PMC10545458_01_CRID2023-8833818.002.jpg
case_images: fig2
case_images: A 3 mm of Bolton discrepancy with the excess of maxillary anterior teeth was measured (Figures 1 and 2).
case_images: Pretreatment panoramic and cephalometric radiographs.
case_images: CRID2023-8833818.003.jpg
case_images: PMC10545458_01_CRID2023-8833818.003.jpg
case_images: fig3
case_images: Upper incisors were retro-inclined (U1-SN, 94), and lower incisors were pro-inclined (IMPA, 94; Figure 3; Table 1).
case_images: Chain elastics were anchored from bite block hooks to an 8 mm 16 S.S hook-shaped wire put into IZC screws to intrude posterior upper teeth.
case_images: CRID2023-8833818.004.jpg
case_images: PMC10545458_01_CRID2023-8833818.004.jpg
case_images: fig4
case_images: S.S hook-shaped wire that was inserted into IZC screws to intrude the posterior upper teeth (Figure 4). Since the clinic was closed due to the COVID-19 outbreak, the patient was not visited for 4 months, and the chains were not changed.
case_images: The open bite reduced after removal of the expander.
case_images: CRID2023-8833818.005.jpg
case_images: PMC10545458_01_CRID2023-8833818.005.jpg
case_images: fig5
case_images: The open bite was then closed partly in the region of the central incisors, whereas reduced to 5 mm in the region of the canines (Figure 5).
case_images: MEAW arches with 0.016'' x 0.022'' S.S. wires and elastics 1/8'', 6 oz.
case_images: CRID2023-8833818.006.jpg
case_images: PMC10545458_01_CRID2023-8833818.006.jpg
case_images: fig6
case_images: A MEAW using 0.016 x 0.022 stainless steel wire was inserted (Figure 6).
case_images: Chain elastics acting from the upper canines to the IZC screws.
case_images: CRID2023-8833818.007.jpg
case_images: PMC10545458_01_CRID2023-8833818.007.jpg
case_images: fig7
case_images: The Class I relationship was obtained using chain elastics acting from the upper canines to the IZC screws on both sides (Figure 7).
case_images: Posttreatment facial and intraoral photographs.
case_images: CRID2023-8833818.008.jpg
case_images: PMC10545458_01_CRID2023-8833818.008.jpg
case_images: fig8
case_images: The posttreatment records demonstrated that the treatment goals had been met in all three dimensions (Figures 8 and 9).
case_images: Posttreatment dental models.
case_images: CRID2023-8833818.009.jpg
case_images: PMC10545458_01_CRID2023-8833818.009.jpg
case_images: fig9
case_images: The posttreatment records demonstrated that the treatment goals had been met in all three dimensions (Figures 8 and 9).
case_images: Posttreatment panoramic and cephalometric radiographs.
case_images: CRID2023-8833818.010.jpg
case_images: PMC10545458_01_CRID2023-8833818.010.jpg
case_images: fig10
case_images: Observations indicated a significant intrusion of the maxillary molars (5.4 mm) and an increase in the visibility of the upper central incisors (from -1 to +3 mm; Figures 10 and 11; Table 1).
case_images: Superimposition at pretreatment (black) and posttreatment (green).
case_images: CRID2023-8833818.011.jpg
case_images: PMC10545458_01_CRID2023-8833818.011.jpg
case_images: fig11
case_images: Observations indicated a significant intrusion of the maxillary molars (5.4 mm) and an increase in the visibility of the upper central incisors (from -1 to +3 mm; Figures 10 and 11; Table 1).