A Dentist's Work is Never Done
After that, the Snapes often visited the Grangers' house. Each time, without fail, Mr. Granger would not-so-subtly hint that Severus should make use of his Granger family discount and get his teeth done. Sometimes Hermione would nudge him, but Severus refused to give in. All he needed his teeth for was eating and he could manage that perfectly fine, thank you very much.
Hermione laughed and wondered how she had ever managed to marry someone with such a horrendous lack of dental hygiene.
Severus glared in response to the insult then blamed the Ministry for their lack of background checks.