Based on this longitudinal cephalometric analysis, significant reduction of SN-GoGn (about 2.3°), MMPA, and gonial angle were detected only in patients who underwent serial extractions, whereas no significant variations were detected in enucleation and control groups. IMPA, L1-Apo, and UIMx measurements did not significantly change at follow-up in all three groups, thus a lingual tipping of the incisor was not detected in both serial extraction and enucleation groups.
Ferrillo et al. (Sun,) studied this question.
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