1 Add 1/2 cup sugar, the ginger, chicken broth, vinegar, soy sauce, sesame oil, and peanut oil; bring to a boil and cook for 3 minutes.  Dissolve 2 teaspoons of cornstarch into the water, and stir into the boiling sauce.
It is made of harmful microscopic bugs that use sugar to attack teeth. With time this creates a little hole in a tooth, and if not repaired with a filling, the cavity continues to grow. If a cavity is not treated it can destroy a good part of the tooth, making it hard to be rapaired with a conventional filling.
A tooth that has had a root canal can still get a cavity, so a person must brush and floss the tooth thoroughly to keep it healthy. Since there is no nerve in the tooth, a person will not feel any symptoms if the tooth gets a cavity. The tooth will only hurt if it gets fractured or gets another abscess around it. The dentist will want to take check-up X-rays from time to time to make sure the root canal hasn't gotten reinfected.