Dexter’s Laboratory

Dexter’s Laboratory is an American animated television series, created by Gennedy Tartakovsky for Cartoon Network. The series follows the scientific adventures of an 8 year old scientist named Dexter, who has an annoying 15 year old big sister named Dee Dee. His parents get him into a little mischief in some episodes. There was an episode of The Justice Friends series where Krunk has a toothache and needs to go to the dentist immediately