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.
Dental crowns are coverings applied over the tooths surface, and may be made of ceramic, porcelain, porcelain fused to metal (PFM), resin, or metal, including gold. Dental crowns are also useful in patients who grind their teeth or have bite problems, addressing the stressed area and stabilizing it to prevent damage.