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Progress in Orthodontics
Fig. 1 | Progress in Orthodontics

Fig. 1

From: Maxillofacial morphological factors related to acceleration of maxillary growth attributed to facial mask treatment: a structural superimposition study

Fig. 1

Left: Superimposition of pre-treatment (initial, T1) and posttreatment (final, T2) tracings on the cranial base. Right: Superimposition of T1 and T2 tracings on the maxillary internal stable structure, the anterior contour of the zygomatic processes (shown by a black broken line). The maxillary dental component and maxillary skeletal component are represented. The maxillary rotation was measured as the angle between the sella-nasion (SN) lines of T1 and T2 tracings on the superimposition. Ptm: the pterygomaxillary fissure; A: point A

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