论文部分内容阅读
口腔健康是全身健康的重要部分,拥有健康美丽的牙齿已不仅仅是你自己的事,更是社会文明的一个重要标志,但今天的美牙新时尚你都了解吗?
Oral health is an important part of the health of the whole body. Having healthy and beautiful teeth is more than just your own business. It is also an important symbol of social civilization. But do you understand today’s new fashion in the United States?