A dental crown is a tooth-shaped "cap" that is placed over a tooth to cover the tooth and restore its shape, size, strength, and appearance. Crowns are usually made of porcelain (a type of ceramic), metal, or a combination of these materials.

Crown dentist use a variety of techniques to diagnose and treat dental conditions. They may use x-rays, computed tomography (CT) scans, and magnetic resonance imaging (MRI) to evaluate the condition of the teeth and surrounding structures.

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Porcelain crowns are the most popular type of crown because they offer a natural look. Metal crowns are usually used for back teeth (molars) because they are stronger than porcelain crowns and can withstand the forces of chewing better. Porcelain-fused-to-metal crowns offer the strength of metal with the natural look of porcelain.

There are several different types of crowns that your dentist may suggest, depending on the location and severity of your tooth damage. Porcelain crowns are one of the most popular options because they offer a natural-looking finish. 

However, metal crowns are also an option for front teeth since they are less likely to chip or wear down over time. Your dentist will help you choose the best type of crown for your needs.

A crown is a dental restoration that covers the entire visible portion of a tooth. It is used to restore a tooth's function and appearance when the tooth has been damaged by decay or injury.

When you get a crown, you can expect the following:

1. The dentist will numb your tooth and surrounding gum tissue before beginning the procedure.

2. The dentist will then prepare your tooth by removing any damaged tissue and shaping the tooth so that the crown can be placed.

3. An impression of your tooth will be made so that the crown can be custom-made to fit your smile.

4. A temporary crown will be placed over your prepared tooth while you wait for your permanent crown to be made.