牙列不正

Objective We provided the reference for diagnoses in Othodontics of total dental space analysis. Method This study randomly collected 140 Chinese students(60 male, 80 female) who were from eithteen to twenty five years old with third molars completely erupted.

正畸诊断和治疗应考虑全牙齿及其周围环境的影响，解除牙列中各个区域的牙量骨量不调，但目前国内正畸医师在错畸形的诊断、治疗中，比较注重牙弓前、中段的牙量骨量分析，却忽略了牙弓后段的分析[1] 。

A case report was presented with a female patient of class II malocclusion, bimaxillary dentoalveolar protrusion with space deficiency. Bilateral lower left second molars were mesially inclined impactions with large caries. The lower left second molar was diagnosed with acute apical periodontitis.

本文提出一双颚齿槽前突合并齿列拥挤之安格氏二级咬合不正之女性患者，其下颚两侧第二大臼齿为近心倾倒之阻生齿合并龋齿，而左下第二大臼齿之龋齿已侵犯到牙髓而有急性根尖牙周炎的情况。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。