BACKGROUND Anatomical textbooks mention that the contact between the pterygoid process and the palatine's pyramidal process is not a "suture" but "conjugation.".The aim was to evaluate the maxillofacial morphological factor responding most to the orthopedic force of facial mask treatment, using the structural superimposition analysis. METHODS Thirty-one girls with Angle Class III malocclusion treated using a facial mask (FM group) and 11 girls with pseudo-Class III malocclusion (pseudo-III group) were examined. Lateral cephalograms at pre- and posttreatment were analyzed to evaluate maxillofacial changes. Cephalometric structural superimposition analysis originating with Björk and Skieller was also performed. RESULTS In the FM group, a multiple linear regression model showed that maxillary sutural growth was significantly associated with counter-clockwise rotation of the maxilla and treatment changes in the anteroposterior distance from the pterygomaxillary fissure to the maxillary anterior alveolus, not changes in the distance from the nasion to the maxillary anterior alveolus. CONCLUSIONS Structural superimposition analysis showed that counter-clockwise rotation of the maxilla and changes in the distance from the pterygomaxillary fissure to the maxillary anterior alveolus responded most to the orthopedic force of facial mask treatment. The analysis implicated that the pterygoid fissure-palatine's pyramidal process conjugation responds most to facial mask treatment among maxillofacial sutures and conjugation, and that the difference in the response induces maxillary counter-clockwise rotation.

中文翻译：

---

与面膜治疗相关的上颌骨生长加速相关的上颌面形态学因素：结构叠加研究。

背景技术解剖学教科书提到翼状ery突和p骨的锥体突之间的接触不是“缝合”而是“结合”。目的是评估对面膜治疗的矫形力反应最大的颌面形态因素，使用结构叠加分析。方法检查了31名使用面罩治疗的Angle III类错loc女孩（FM组）和11名伪III类错loc（pseudo-III组）女孩。分析治疗前后的侧位脑电图以评估颌面变化。还进行了源自Björk和Skieller的头颅测量结构叠加分析。结果在FM组中，多元线性回归模型显示，上颌缝合生长与上颌骨逆时针旋转显着相关，并且从翼状max上裂到上颌前牙槽骨的前后距离变化与治疗有关，而从鼻孔到上颌前牙的距离变化不明显肺泡。结论结构叠加分析表明，上颌骨的矫形力对上颌骨的逆时针旋转以及从上颌骨裂孔到上颌前牙槽骨距离的变化的响应最大。分析表明，翼状fi裂的椎体锥突结合对颌面缝合和结合中面膜的治疗最为有效，