‘I been doing my teeth wrong my whole life’: Woman says dentist revealed the right way to use mouthwash. It’s not how you think

A TikTok creator has gone viral after receiving some shocking news from her dentist. Tefi (@hellotefi), who has 1.8 million TikTok followers, is best known for her pop culture recap videos. But her most recent viral hit uncovered a little-known tip about oral hygiene.

“I just learned some information but I don't think it's public knowledge. Blew my mind,” she said.

As Tefi explained, she was originally told by her dentist that she had several cavities that needed filling. This led to her seeing a second dentist...