dental cervix

例句：

1. 1.The dentist examined her teeth and recommended a cleaning.
   牙医检查了她的牙齿，并建议她去洗牙。
2. 2.She was worried about the pain in her dental cervix.
   她担心她的牙龈疼痛。
3. 3. During the procedure, the dentist removed a small piece of tissue from her dental cervix.
   在手术过程中，牙医从她的牙龈中取出了一小片组织。