事实上，根据英国临床牙周病杂志2005年的一项研究，吸烟的人患牙龈疾病的风险比不吸烟的人高六倍，而牙龈疾病可能导致牙齿脱落。

In fact, according to a 2005 U.K. study in the Journal of Clinical Periodontology, smokers are up to six times more likely than nonsmokers to develop gum disease, which can lead to tooth loss.

youdao

事实上，根据英国临床牙周病杂志2005年的一项研究，吸烟的人患牙龈疾病的风险比不吸烟的人高六倍，而牙龈疾病可能导致牙齿脱落。

In fact, according to a 2005 U.K. study in the Journal of Clinical Periodontology, smokers are up to six times more likely than nonsmokers to develop gum disease, which can lead to tooth loss.

youdao