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.
1 February: On February 15 the Romans celebrated the festival of forgiveness for sins; (februare, Latin to purify), 2  March: Mars, the Roman god of war,  April: Roman month Aprilis, perhaps derived from aperire, (Latin to open, as in opening buds and blossoms) or perhaps from Aphrodite, original Greek name of Venus,
The name comes from the Latin dies solis, meaning sun's day: the name of a pagan Roman holiday. It is also called Dominica (Latin), the Day of God. The Romance languages, languages derived from the ancient Latin language (such as French, Spanish, and Italian), retain the root.