How an American filibuster helped create a national holiday in Costa Rica15 January 2014In Journal. 1  TAGS. 2  april 11. 3  juan santamaria. 4  national hero. 5  national holiday. 6  william walker.
Restoration is a term used in dentistry to describe restoring the function of the tooth by replacing missing or damaged tooth structure. Restoration is a term used in dentistry to describe restoring the function of the tooth by replacing missing or damaged tooth structure. Restorations are classified as either direct or indirect.
Dental erosion (tooth erosion) is the irreversible loss of tooth enamel due to chemical processes that do not involve bacterial action. Tooth enamel is a mineralized hard tissue that covers and protects the tooth. It is the hardest tissue of human body but it can be chemically dissolved in an acidic environment.