Noel correctly adds the length of three sides of a rectangle and gets 88 cm her brother Ryan correctly adds the lengths of three sides of the same rectangle and gets 80cm. What is the number of cm in the perimeter of the rectangle. I was having this discussion with another teacher and we need a third opinion.
Tooth crowns. A tooth crown or dental crown is a tooth-shaped sleeve made of porcelain or metal or a combination of both that is placed over a tooth. The dentist will match it up to the shape and colour of your other teeth.
Gold crowns are one of the classic types of dental crowns used in dentistry. There are two types of gold crowns used to restore a tooth. The full gold crown is made entirely from gold or gold alloy. A porcelain fused to metal crown (PFM) is made from a combination of gold and porcelain. In regards to the gold, there are three types of alloy used for fabricating gold crowns: High Noble Alloy - Precious Metal - Made from, at a minimum, 60% high noble alloy. This includes gold, platinum and palladium.