PMC3335660_01
Pretreatment photographic and cephalometric record.
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fig8
A 20-year-old female presented with chief complaint of bimaxillary protrusion, convex profile, and protrusive lips (Figure 8).
Completion of alignment and leveling.
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fig9
After two and half months, alignment and leveling were completed in both arches, and four first premolars were extracted (Figure 9).
Extraction space closure in progress with OCRS.
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fig10
They were stretched and engaged posteriorly over 1st molar hooks and anteriorly to the hook on archwire (Figure 10).
Complete closure of extraction space with OCRS in place.
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fig11
At the end of one year, space closure was completed (Figure 11) without adverse effects, and bimaxillary proclination was resolved.
(a-i) Posttreatment photographic and cephalometric record. (j) Pre- and posttreatment cephalometric superimposition.
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fig12
With retraction of upper and lower lips, facial profile was improved (Figure 12).