Grants for college-bound students are supported by a variety of different sources, including: 1  Federal and State Governments. 2  Colleges and Universities. 3  Public and Private Organizations. 4  Professional Associations.
Crown (dentistry) A crown is a type of dental restoration which completely caps or encircles a tooth or dental implant. Crowns are often needed when a large cavity threatens the ongoing health of a tooth. They are typically bonded to the tooth using a dental cement. Crowns can be made from many materials, which are usually fabricated using indirect methods. Crowns are often used to improve the strength or appearance of teeth. While inarguably beneficial to dental health, the procedure and materials can be relativ
Permanent crowns can be made of different materials. Some are made of ceramic compounds. Others are made of metal or a combination of metals that include gold alloy, palladium alloy, or nickel or chromium alloys. Other crowns are made from a combination of porcelain infused with metal. And some can be all ceramic.