brushes one's teeth
My son is brushing his teeth.
Je veille à ce qu'il se coiffe et se brosse les dents tous les jours.
I make sure he combs his hair and brushes his teeth every day.
— Forrest Gump (1994)
Tom se brosse les dents après chaque repas.
Tom brushes his teeth after every meal.
The man is brushing his teeth.