美国的流行性牙周病可能明显高于原先估计的。
The prevalence of periodontal disease in the United States may be significantly higher than originally estimated.
治疗下颚第二大臼齿远心侧的环绕型骨性破坏，是牙周病科医师的一大挑战。
Treatment of deep circumferential bony defects around the mandibular secondary molars is a great challenge to periodontist.
结论采用牙周病理模型进行探诊基本训练有助于学生掌握牙周探诊技术，提高探诊准确性，从而为进入临床实习打好扎实基础。
Conclusion Practice of periodontal probing on periodontal pathological model was helpful to enhance the precision of the measurements of probing depth and the level of periodontal probing technique.
牙周优势菌lps作用于单核巨噬细胞，诱导产生各种细胞因子和炎性介质，参与牙周病的炎症激活和组织创伤。
LPS involves in the inflammatory process and tissue destruction during periodontal diseases through inducing mononuclear macrophages to produce various cell factors and inflammatory mediators.
妇女在围绝经期雌激素水平波动、并逐渐降低，患牙周病危险性增大。
The estrogen level in postmenopausal women flutate and gradually reduce, increase the risk of suffering from periodontal disease.
牙周病病因学研究逐步深入，凸显出龈下微生物检测的重要性。
With the further investigation on the periodontitis aetiology, the importance of the subgingival microbiological detection becomes more significant.
牙周病病因学研究逐步深入，凸显出龈下微生物检测的重要性。
With the further investigation on the periodontitis aetiology, the importance of the subgingival microbiological detection becomes more significant.
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