Objective:To realize computer automatic identification of landmarks.
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2. 目的：筛选与侧貌美观相关的头影测量硬组织指标。
Objective: to select hard tissue cephalometric indexes related to facial soft tissue profile esthetics.
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3. 目的评价头影测量侧位片对诊断上颌前部埋伏牙的应用价值。
Objective To evaluate usefulness of head shadow-metric lateral film (HSMLF) in the diagnosis of maxillary-anterior embedded dentes(MAED).
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4. 应用模型分析，数字化头影测量，三维ct评价腭扩展效果。
Expansion results were also evaluated with model analysis, digital cephalometric analysis and 3d CT.
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5. 目的探讨头影分析对研究开畸形的分型与指导治疗的临床应用价值。
Objective To explore the significance of head shadow analysis for investigating the typing of open bite malformation and guiding the clinical applications.
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6. 头影测量分析显示上颌前部得到有效向前、向下移动；腭平面延长。
Results: Cephalometric analysis revealed that the premaxilla was moved forward and downward and the length of palatal plane increased.
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7. 头影测量分析结果提示先证者在骨面型及颌骨形态等方面无明显遗传倾向。
The result of cephalometric analysis indicated no obvious inherited tendency in the proband in terms of facial osseo type and jaw bone pattern.
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8. 方法60例上颌前部埋伏牙患者均经头影测量侧位片诊断，并与手术所见比较。
Methods MAED in 60 patients were diagnosed by HSMLF and compared with the findings during the operation.
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9. 图1：CT扫描显示了一个右侧顶叶囊性结构伴有中心点状高密度影代表一个头节（箭头）。
Figure 1: CT scan demonstrates a right-sided parietal lobe intraaxial cystic structure with a central "dot" representing a scolex (arrow).
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10. 在近头侧层面，可见斑片状实变和毛玻璃样影。
At a more cephalad level, patchy consolidation and ground-glass opacity are visible.
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11. 憩室表现为胰头右后方半圆形含气体腔影，可有液平，与胰头交界部边缘锐利。
Duodenal diverticulum manifested as hemicycle lesion with gaseous density which had air-fluid level behind pancreatic head with clear border.
