I'm no dentist but... the panel where Takano rises from the water,
DAMN BOI THOSE ARE SOME SHINY PRETTIES YA GOT OVER THERE! I'M GOING TO BE A DENTIST!
The moment she opened her mouth to lick some of Senpai's ice cream...
I predict in the future that Senpai will see that face of Nagatoro again after their marriage. The only difference is there is no ice cream this time.