The Natural Dentist Healthy Teeth & Gums Original Toothpaste, Peppermint Twist, 5-Ounces (Pack of 3) by The Natural Dentist. $20.74. Protect Against Acid Erosion. Prevent Cavities. Freshen Breath. Strengthen Teeth. The Natural Dentist® was created by a dentist to provide effective oral care for his patients' teeth and gums. Because our products are formulated with a scientific blend of natural ingredients, you don't have to choose between natural and effective.