The Procera crown â Procera is a milled ceramic on the inside with a more traditional porcelain baked onto the outside. The advantage of Procera is its exceptional strength. However, the milled ceramic core is opaque white, so many cosmetic dentists feel that it isnât as natural-looking as the more translucent materials.
Origin of the Names of the Months. 1  October: Eighth month (octo, Latin for 8) in the Julian (Roman) calendar. 2  November: Ninth Roman month (novem, Latin for 9).  December: Julian (Roman) year's tenth month (decem, Latin for 10).
The ides were the 15th days of long months (including Martius, or March) in the ancient Roman lunar calendar; they were the 13th in other months. The word ides comes from the Latin word idus, which is possibly derived from an Etruscan word meaning to divide..