Which foods are good and bad for our teeth (at St Marys, Chislehurst)

“We have been talking about keeping ourselves healthy and which foods are good and bad for our teeth. We have used some hard boiled eggs to represent our teeth and we are soaking them in water, orange juice and Coca Col. We have been making predictions abut what liquid is healthy and what is unhealthy, and We will be observing them regularly to look for changes. “