Hacker News new | past | comments | ask | show | jobs | submit login

Anecdotally, my gums used to bleed fairly easily (like during a dental cleaning) and they don’t anymore since flossing somewhat more regularly. So I think you can judge this by how dental cleanings go.



Join us for AI Startup School this June 16-17 in San Francisco!

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: