That tube of toothpaste you have sitting by the sink does more than just keep your teeth clean, bright and white.
你放在水槽旁边的那管牙膏并不是只能保持牙齿清洁、亮白。
2
Objective To discuss the reliability of the vertical tube shift technique (from a panoramic and a maxillary occlusal radiograph) for localization of the unerupted maxillary anterior teeth.
目的探讨垂直球管移动技术用于上颌埋伏阻生前牙定位的可靠性。
3
What is the appropriate distance from the teeth to the tip of an endotracheal tube? From the nares to the tip for a nasal intubation.