I was introduced to liquorice root as a child and preferred it to manufactured sweets. I love the stuff, and the natural toothbrush it makes when chewed. I have a jar of it in the kitchen almost always.Cane is a very common sweet for kids from poorer families. Most patients from Jamaica has chewed, or chew cane.
Weirdly enough - very little decayed teet.
The reason is the fibers have a cleaning action