1. Ceramic

• It is a material that is most similar to natural teeth in terms of color and translucency.
  
• Used for covering visible teeth such as front teeth because it is highly aesthetic.
  
• It has good strength, but can sometimes be more fragile than metal.

2. Metal

• Such as chromium-cobalt or gold, which is highly strong and durable.
  
• Often used in teeth that are in a posterior position (molars) where they are not clearly visible.
  
• It is highly resistant to wear and tear and does not easily damage teeth, but will have a different color from natural teeth.

3. Porcelain-Fused-to-Metal

• It is a combination of ceramic and metal, which has a metal structure that provides strength and durability, but is coated with ceramic to give the color and appearance of natural teeth.
  
• Can be used on both front teeth and molars.
  
• There may be a visible metal border at the gum line.

4. Composite

• A material similar to dental fillings, it looks very much like natural teeth but is less durable than ceramic or metal.
  
• Used for dental crowns in cases where expensive materials are not desired or where teeth do not require very high strength.

5. Zirconia

• It is a type of ceramic material that is very strong and durable. It has characteristics similar to natural teeth.
  
• Suitable for covering both front teeth and molars.
  
• It is stronger than ordinary ceramic materials and does not irritate the gums.

The choice of material will depend on several factors, such as the location of the tooth to be covered, aesthetic and strength requirements, and budget. It is best to consult your dentist for the best results.