通过定期看牙医保护牙齿和牙龈。

Protect your teeth and ___gums by visiting your dentist regularly.

牙龈出血可能是牙周病的迹象。

Bleeding ___gums can be a sign of gum disease.

保持牙龈健康对整体口腔健康至关重要。

Maintaining healthy ___gums is crucial for overall oral health.