目的使用影像学手段分析种植义齿颈部牙槽骨丧失情况。
Objective To analyze peri - implant alveolar bone loss with radiography.
目的研究分析儿童正常乳磨牙牙槽骨的高度，探讨影响儿童牙槽骨高度的各种因素及其测量方法，确定儿童牙槽骨丧失的诊断标准。
Objective Study the alveolar bone height of normal primary molars of children, discuss the influencing factors and measuring methods and determine the diagnosis criteria of alveolar bone loss.
结果糖尿病牙周炎组的结缔组织附着丧失量，牙槽骨高度丧失量最高，均明显高于牙周炎组、糖尿病组及正常组并有统计学差异。
ResultsThe loss of connective tissue attachment and alveolar bone height was higher in diabetes rats with periodontitis than in periodontitis rats and normal controls(P<0.05).
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