Gum disease under the crown is not an uncommon occurrence. Any crown covers tooth root and of course contact with the gums, and thus there is always the risk of inflammation due to the fact that food particles may penetrate into spaces between the crown and the gum. Untimely or improper teeth brushing after a meal can cause inflammation of the gums. Inflammatory process in the gums can also start if the crown was not replaced for a long time. After all, each type of crows has its lifetime. Maybe it's time to replace it. But before doing this, it is necessary to stop inflammatory process of the gums. Periodontists in Idaho will help you with this.