腭平面在下降的同时伴前上旋转趋势，容易引起开。
The forward and upward rotation of palatal plane may lead to open-bite.
方法测量11例骨性下颌前突伴偏斜患者治疗前模型，将上颌腭中缝作为中线标准，测量牙弓两侧同名牙接触点到腭中缝的距离，观测牙弓的对称性。
Methods Measurement of 11 dental models was performed, midline of palate was defined as central line, the distance of every contact point to the midline was measured in each side.
结果：筛骨嵴位于蝶腭孔的前下方，蝶腭动脉分出的鼻后外侧动脉的前方。
Results: Ethmoidal crest was located infra-anterior to the sphenopalatine foramen and anterior to the lateral posterior nasal arteries.
缺牙区牙槽骨、黏膜条件较差者，应避免前腭板加后腭杆形式的大连接体。
Anterior palatal plate with posterior palatal bar can not be used on the patient whose alveolar mucosa is not healthy.
可摘局部义齿前腭板的前部是影响发音的主要部位。
The main area which effects the acoustic characteristics is the anterior part of the anterior palate plate of the removable partial denture.
可摘局部义齿前腭板的前部是影响发音的主要部位。
The main area which effects the acoustic characteristics is the anterior part of the anterior palate plate of the removable partial denture.
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