他们也更可能有口干(口干燥症)，增加了龋坏风险。

They also are more likely to have dry mouth (xerostomia), which increases the risk of decay.

youdao

他们也更可能有口干(口干燥症)，增加了龋坏风险。

They also are more likely to have dry mouth (xerostomia), which increases the risk of decay.

youdao