supragingival
美
英 
例句
At the same time, the supragingival plaque and the subgingival plaque of the index teeth were collected for DNA extraction.
采集所选牙位的龈上和龈下菌斑,提取牙菌斑中细菌的DNA。
PCR-temperature gradient gel electrophoresis analysis of the microbial community structure of supragingival dental plaque
应用PCR与温度梯度凝胶电泳分析龈上菌斑微生物群落