Acrylic: A fibre made up of acrylic acid.
Gums: Translucent substances without form. Usually a decomposition product of cellulose. Gums dissolve in water.
Jaw bone: Bones below and above the mouth.
Ulcer: An open sore on the skin or a mucous membrane.
Soreness: painful or sensitive.
Fluoride: chemical compound of fluorine.
Tooth decay: Also known as dental caries, is the destruction of the enamel (outer surface) of a tooth.
Gum disease: Inflammation of the gum that destroys the bone that supports your teeth.
Dentist: A specialist who takes care of diseases associated with teeth and gums.