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.
erosion (ÄrÅÂ´zhÉn) , n the chemical or mechanicochemical destruction of tooth substance, the mechanism of which is incompletely known, which leads to the creation of concavities of many shapes at the cementoenamel junction of teeth. The surface of the cavity, unlike dental caries, is hard and smooth. Erosion.