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),
October is the tenth month of the year and has 31 days. It was originally the eighth month of the Roman calendar until 153 BCE. Naming October - The Eighth Month. October is the tenth month of the year in the modern day Gregorian calendar and its predecessor, the Julian calendar. The month kept its original name from the Roman calendar in which octo means âeightâ in Latin marking it the eighth month of the year.