问题:患者因深龋一次垫底银汞充填后1周出现自发痛,冷热痛持续,不能咬物。其原因最可能为()A、电流作用B、充填时未垫底C、备洞时刺激牙髓D、充填材料刺激E、诊断错误...
Tuesday, December 27, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:四环素牙属于()A、牙结构异常B、牙数目异常C、牙形态异常D、牙萌出异常E、着色牙...
Sunday, July 9, 2023
问题:因为银汞合金具有(),所以用银汞合金充填中龋或深龋需要垫底...
Saturday, September 17, 2022
Sunday, September 11, 2022
问题:瘢痕性类天疱疮最好发于()A、上唇B、下唇C、颊黏膜D、牙龈E、舌...
Saturday, September 21, 2024
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:患者,女,25岁,要求美容修复。检查:全口牙齿牙面呈带状黄灰色着...
Saturday, September 17, 2022
问题:患者,女,25岁,要求美容修复。检查:全口牙齿牙面呈均匀棕黄色,...
Saturday, September 17, 2022
问题:氟的防龋作用不包括()A、缺氟可以引起钙磷代谢障碍B、影响牙齿形态C、降低釉质溶解度,促进再矿化D、抑制致龋菌的糖酵解,抑制其产酸E、抑制致龋菌生长...
Wednesday, October 19, 2022
Sunday, September 11, 2022
问题:以亚硝酸失活剂置于邻面洞时,由于封闭不严,药物渗漏可引起()...
Saturday, September 17, 2022
问题:男,20岁,下颌第一恒磨牙颊沟浅龋坏,如对龋坏物质进行细菌培养。其中主要的致龋菌可能为()A、韦永菌B、轻链球菌C、奈瑟菌D、变形链球菌E、乳酸杆菌...
Thursday, August 29, 2024
Saturday, September 17, 2022
Sunday, September 11, 2022
Friday, September 16, 2022
问题:行根尖诱导成形术时,操作止点均应平齐X线片上的根尖。...
Saturday, September 17, 2022
Sunday, September 11, 2022