Bad breath
When you have tooth decay, there is foul and bad breath from your mouth. Good teeth are one of the five fortunes, as Koreans say.
Huh Im, a Korean doctor in the 1600s, recommends moxibustion at the following acupuncture point for the foul smell in teeth.
Apply one moxa cone at PC 8 ??.
Here are some more articles for moxibustion if you may like to read.