✔ 最佳答案
Cavity will ruin your teeth, may cause you to do root canel, or teenth removal.
Gum decease will casue your whole teeth in trouble.
Are they related?
Dentist can take care your cavity.
Gum decease need Surgery.
2012-09-21 01:26:43 補充:
teeth (not teenth), sorry for the typo