患者,女,25岁。从小生活在晋西地区,牙齿发黄而求治。检查发现全口牙均有白垩色到褐色斑,个别牙有釉质实质性缺损,探缺损处质硬。最可能的诊断是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧