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  January: Janus, Roman god of doors, beginnings, sunset and sunrise, had one face looking forward and one backward,  February: On February 15 the Romans celebrated the festival of forgiveness for sins; (februare, Latin to purify),
  The word moon is derived from a Latin word (mensis) meaning month, which is itself derived from an even older word meaning measure.. Since the word is the result of t â¦ housands of years of changes in speech patterns, it's fair to say that no single person, known or unknown, gave the moon its name.he name Luna (the moon) came from the Latin word for moon. (Luna). (Also, lune is french for moon).