PMC5996644_01
Pretreatment photographs and radiographs
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F1
Severe crowding in the upper and lower anteriors, crossbite irt 24 and 34, 35, retained 62, 63, 83, labially erupted 23, rotated 21, 22, 24, 44, upper midline shifted to left by 2 mm, missing 22, protrusive upper, and lower lip [Figure 1].
Derotation couple placed on 24
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F2
Meanwhile, GIC turbos were given to raise the bite and prevent interferences in the derotation couple [Figure 2].
T-loop placed on 23 and 43.extraction of 42
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F3
Derotaion couple was used on lower right 1st premolar as well [Figure 3].
Palatal bracket on 22 and extraction of 31
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F4
Meanwhile, lingually erupted lower right lateral incisor was extracted to create space for aligning the crowded lower anteriors [Figure 4].
Gingival recession of 23 followed by its extraction
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F5
It was decided that the premolar will have to be converted to a canine [Figure 5].
Posttreatment photographs and radiographs
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F6
Although the left lateral incisor was built up, the premolar could not be converted to the canine as the patient did not report after that Figure 6.