Besar Sudut Antar Insisif dan Sudut Insisif Atas Terhadap SN Sebagai Hasil Perawatan Protrusi Bimaksilaris dengan Pencabutan Empat Premolar Pertama

Adityo Widodo, Faruk Hoesin, Erwin Siregar

Abstract


A factor to pay attention to in orthodontic treatment is the inclination of upper and lower incisives. The inclination could be evaluated from interincisal angle and angle of upper incisve (UI) with cranium base (SN). This research is to evaluate those angles after the retraction of upper and lower incisives on malocclusion class I with bimaxillary protrusion. In total, 34 samples were treated using edgewise system. The results show that mean for U1 – L1 is 138.06° ± 1.47°, and for U1 – SN 95.97°±1.27°.


Keywords


Orthodontic treatment; Incisive inclination; interincisal angle

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