上颌位置_有道手机词典

1.目的：分析上颌第一磨牙根管弯曲位置、方向及弯曲度。
Objective: To analyse the root canal curvature frequency, position, direction and degree of the maxillary first molars.
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2.目的研究上颌第一磨牙根管口形态和位置关系，为根管治疗时寻找根管口提供解剖学依据。
Objective To study the shape and location of root canal orifice in maxillary first permanent molar and provide a morphological basis for locating canal orifice in endodontic therapy.
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3.结论腭穹隆形状、牙尖斜度和人工牙的排列位置对上颌全口义齿牙槽骨的应力集中状况有明显的影响作用。
Conclusion the palatal vault, cusp inclination and the position of artificial teeth have apparent influence upon the stress concentration on the alveoli dentales maxillae.
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