Objective: To evaluate the skeletal, dental, and soft tissue cephalometric changes produced by total arch distalization of maxilla using infrazygomatic crest bone screw as anchorage.
Methods: A prospective sample of 13 patients (5 females and 8 males) who underwent total maxillary arch distalization treatment with infrazygomatic crest bone screw as anchorage system. Lateral cephalograms were obtained at the beginning of Treatment (T0) and after class II molar correction (T1). To compare cephalometric changes, paired t-test was used. A significance level of 5% was used.
Results: Class I molar and class I canine relation was achieved in all patients. The IZC bone screw provided molar distalization of 4.17 mm and intrusion of 1.25 mm with distal tipping of 3.7°. Significant Maxillary incisor retraction of 4.58 mm and retroclination of 7.91° was observed. The upper lip in relation to the E line was retracted by 1.1 mm.
Conclusion: Effective skeletal, dental, and soft tissue treatment results were achieved using IZC bone screw for total maxillary arch distalization.
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The Annals of Medical and Health Sciences Research is a bi-monthly multidisciplinary medical journal.