How Does Fluoride Strengthen Tooth Enamel? Materials Needed 2 hard-boiled eggs Large pickle jar Vinegar Plastic food storage bag Fluoride gel Process 1) Take one egg and put it in a plastic bag containing the fluoride gel. Make sure the fluoride completely covers the entire egg shell. Leave the egg in the fluoride for 24 hours. 2) Take both eggs and put them in separate jars containing vinegar. Observe the immediate difference in bubbling or reactivity of the two different...

The Effects of Sweets on Healthy Teeth Materials Needed Hard-boiled eggs Dark soda, such as cola or root beer Dried chicken bones Vinegar Water and sugar solutions Water and salt solutions Fluoride Below are a handful of experiments designed to demonstrate the potential effects of sweets and other foods on healthy teeth. Children and students can work in small groups to perform the experiments. Experiment 1 – brown soda and eggs Fill one container with water and another with a brown...

Science Experiments Fluoride Strengthens Teeth Materials Needed Two hard-boiled eggs Fluoride gel or solution, 4 oz to 6 oz Three clean plastic containers Several cans of dark soda Water Process 1) Place a hard-boiled egg in one of the plastic containers and cover it with the fluoride gel or solution. Let the egg soak in the fluoride for twenty-four hours. Remove the egg and rinse it with water. 2) Place this “treated” egg in one of the two remaining clean...