Flouride helps strengthen teeth, if that's what you mean.
Sugar is food for plaque-residing bacteria colonies. They convert the sugar into acid that corrodes toothenamel, causing tooth decay.
http://wiki.answers.com/Q/Orbit_sugarfree_gum_helps_reduce_the_risk_of_tooth_decay_up_to 40%.
eat!
Nope, in fact it helps to cause tooth decay, because of all the sugar in it.
fluorine
Floride is added to toothpaste to strengthen the enamel of the tooth. This helps prevent tooth decay, particularly in children.
Fluoride helps prevent tooth decay by strengthening tooth enamel, making it more resistant to acid attacks from bacteria that cause cavities. It also helps repair early stages of tooth decay before they become more serious.
yes it is
Bacteria that populate the mouth metabolize simple carbohydrates (sugar) and produce the acid that causes tooth decay. Reducing the bacteria by effective and frequent brushing and flossing can reduce tooth decay. Limiting intake of sugar will also reduce decay. There is also a growing body of research that indicates xylitol as a sugar substitute may also be effective in reducing tooth decay.
Flouride.
tooth decay and the possibility of nutrient deficiency
Fluoride is the halogen used to prevent tooth decay. It strengthens tooth enamel and helps to protect against acid erosion and cavities.