n.牙粉，牙膏

I need to buy a new tube of toothpaste, my dentifrice is running out.
我需要买一支新的牙膏，我的牙膏快用完了。
She recommended a fluoride dentifrice for preventing cavities.
她建议使用含氟牙膏来预防蛀牙。
He uses a special dentifrice that helps whiten his teeth.
他使用一种特殊的牙膏来美白牙齿。
The dentifrice contains natural ingredients to soothe sensitive gums.
这种牙膏含有天然成分，可以舒缓敏感的牙龈。
Dentifrices come in various flavors to make brushing more enjoyable.
牙膏有各种口味，让刷牙变得更愉快。
The dentist prescribed a special dentifrice for my child's oral hygiene.
牙医为我孩子的口腔卫生开了专用牙膏。
It's important to replace your dentifrice every three to four months.
每三个月到四个月更换一次牙膏是重要的。
Dentifrices with baking soda can help neutralize acids in the mouth.
含小苏打的牙膏能帮助中和口腔中的酸性物质。
I always check the dentifrice label for any sensitivity warnings before use.
使用前我总会查看牙膏标签上有关敏感牙齿的警告。
The dentifrice market is growing due to increasing consumer awareness about oral health.
随着消费者对口腔健康的关注度提高，牙膏市场正在增长。