Which of the following alternative will replace the question mark?

Eye:Myopia::Teeth:?

Pyorrhoea

The second word is a disease of the first word. Myopia, also known as nearsightedness, is a very common vision disorder. Pyorrhea, also known as periodontitis, is a multifactorial disease affecting oral gum. It is an inflammation caused by bacteria, which can affect causing halitosis (bad smell of the mouth), gingival recession, destruction of the supporting bone of the tooth, and, in the worst case, cause even loss of the tooth.