dentogingival junction

例句：

1. 1.The dentist advised me to avoid this area during my next check-up.
   牙医建议我在下次检查时避免这个区域。
2. 2.During the cleaning, the dentist found a small dentogingival junction that needed attention.
   在清洁过程中，牙医发现了一个小的牙周结合处需要关注。
3. 3. This condition is often associated with poor oral hygiene and can lead to severe gum disease ifleft untreated.
   这种状况通常与不良口腔卫生有关，如果不治疗，可能会导致严重的牙龈疾病。