Personalized Dentist Egghead Text Youth Long Sleeve T-Shirt. Dentist text and an egghead holding a large tooth is a humorous gift design for dentists and dental students at back to school, birthdays, holidays and graduation. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)