问题:患者女,30岁。半年前在某医院做过右下后牙龋洞银汞合金充填,现牙...
Friday, September 16, 2022
Friday, September 16, 2022
问题:我国饮用水标准含氟量是()A、0.0ppmB、0.5ppmC、0.5~1.0ppmD、1.0~1.5ppmE、1.0ppm...
Tuesday, December 27, 2022
问题:导致根尖周病的主要感染途径是()A、牙髓源B、牙周袋C、血行感染D、邻牙根尖周病波及E、包括以上各项...
Sunday, June 18, 2023
Sunday, September 11, 2022
Friday, September 16, 2022
问题:发生根折的患牙,早期处理不当,未及时进行复位和固定,最不可能出现...
Friday, September 16, 2022
Sunday, September 11, 2022
问题:男性,40岁。诉左上颌后牙出现咬合痛7天求治。口腔检查:l6近远...
Friday, September 16, 2022
Sunday, September 11, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:下列哪项不是根管预备的注意事项()A、按工作长度操作B、器械只应到达根尖狭窄部C、用根管扩大针或锉时,应逐号进行D、每换一支器械前,应行根管冲洗E、根管应尽量扩大为好...
Saturday, September 9, 2023
Friday, September 16, 2022
Friday, September 16, 2022
问题:腭裂手术时在腭部黏骨膜下注射含肾上腺素的麻药或生理盐水的主要目的...
Tuesday, September 13, 2022
问题:临床最多见的牙髓疾病是()A、急性牙髓炎B、慢性牙髓炎C、牙髓充血D、牙髓钙变E、牙内吸收...
Saturday, November 4, 2023