PMC9463015_01
Initial intraoral photographs.
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A 58-year-old patient presented molar and canine Class II relationships on both sides (Figure 1).
CBCT initial images: coronal (a); axial (b); and sagittal (c) sections.
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A cone-beam computed tomography (Orthophos SL 3D, Sirona, Bensheim, Germany) was performed, confirming the former periodontal findings (Figure 2(a)). The root of the right canine was not covered by cortical bone anymore (Figures 2(b) and 2(c)).
0.012-in NiTi archwire.
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A 0.012-in NiTi archwire 3M (Figure 3) was ligated.
Orthodontic lingual sectional (a); lingual sectional inserted on lingual tubes (b).
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A Wilson 3D sectional archwire (Rocky Mountain Orthodontics) was inserted on element 4.6 (Figures 4(a) and 4(b)) as an additional lingual/apical force became necessary to help the root apex return in the alveolar bone base.
0.014-in NiTi 3M (a); orthodontic sectional (b).
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Meanwhile, the following arch sequence was used: 0.014-in NiTi (Figure 5), 0.016-in NiTi, and a 0.019 x 0.025-in NiTi (3M Unitek).
Final orthopantomography.
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The mandibular right canine was repositioned (Figure 6) and a periodontal examination showed probing pocket depth values of 3 mm.
Final intraoral photographs.
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Elements 3.2 and 3.3 were repositioned too, and spaces were closed (Figure 7).
Spring retainer.
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A spring retainer was delivered to the patient (Figure 8).
Follow-up after 18 months from the end of the orthodontic treatment.
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The stability of the results was observed after 18 months (Figure 9).