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
Crowns are made by taking an impression of the tooth or teeth they'll be covering. Before this impression is created, your dentist must first reduce your tooth's size so that the crown fits properly. Your dentist may also place a temporary crown while the permanent one is being made. Types of Dental Crowns. There are four different types of dental crowns. Ceramic â These are used for restoring front teeth, and are popular in this area for their ability to blend with your natural tooth color. The crown is made of a porcelain-based material.