Personalized Coolest Dentist Ever Youth T-Shirt. Coolest dentist ever! Who's the best dentist? This one! Two thumbs up for this dentist. Great gift for your favorite dentist! Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.