The metal helps strengthen the ceramic but the outer porcelain base can still break. These crowns also have to be prepared in a lab. Average Cost: $1,093 per crown (without insurance) Crowns For Baby Teeth: Stainless steel crowns or caps are used to protect
The element was first discovered from the spectrum of the sun so it was named after the Sun Helios. Helium is name is derived from the Greek name Helios-personification of t â¦ he Sun in mythology.
â¢ HELIUM (noun). The noun HELIUM has 1 sense: 1. a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas). Familiarity information: HELIUM used as a noun is very rare.