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Dental crowns are tooth-shaped caps that cover all surfaces of the tooth while restoring the strength and functionality of teeth with inadequate structural integrity. While dental crowns may be made of a variety of materials like gold, stainless steel, etc., the aesthetic dental crowns that blend into the remaining teeth are made from tooth-colored ceramics like porcelain. Porcelain dental crowns are the most popularly used aesthetic dental crowns and impart a natural appearance to the tooth.


Uses of a Dental Crown



Types of Porcelain Dental Crowns

Porcelain dental crowns are broadly of two kinds; porcelain-fused-to-metal crowns (PFM crowns) and all-porcelain crowns. PFM crowns are essentially metal crowns with a layer of tooth-colored porcelain over it to make it aesthetically acceptable. They have considerably more strength than all-porcelain dental crowns. They are usually given in the posterior regions of the mouth, which needs to withstand higher forces. 


All-porcelain dental crowns are made entirely from translucent porcelain and have a higher aesthetic value than PFM crowns. They are most commonly used to cover defects in the front teeth. This is because, with PFM crowns, a thin margin of metal is always visible, which makes them an unsuitable choice for covering front teeth. While all-porcelain dental crowns have the advantage of a natural tooth-like appearance, they lack the strength of PFM crowns. 


All-porcelain dental crowns also come in several types such as – 



Advantages of Porcelain Dental Crown


Apart from the most significant advantage of being aesthetically pleasing, porcelain dental crowns are also beneficial to individuals who have metal allergies. Porcelain is highly biocompatible, with the possibility of corrections in alignment and form even after fabrication. 


Disadvantages of Porcelain Dental Crown


While porcelain crowns are popular and frequently used, they do have some disadvantages. For starters, all-porcelain crowns can be expensive, especially if the crowns need to be placed on multiple teeth. Moreover, their preparation time can be quite long and complicated. 


How Long Does a Porcelain Dental Crown Last?


Porcelain dental crowns have long had a reputation for being fragile and prone to breakage. On an average, porcelain dental crowns can last 5-15 years. The durability of the crown depends on the individual’s oral hygiene measures, their lifestyle, and their eating habits. Porcelain dental crowns do undergo wear and tear. Still, specific actions like lack of good oral hygiene, bad eating habits, etc. can accelerate the damage caused to porcelain crowns. With the right care and maintenance, porcelain dental crowns can even last for up to 25 to 30 years. Some tips to increase the longevity of your porcelain crowns are: 


Lastly, it is advised to go for regular check-ups to the dentist, which would allow for routine examinations of your natural teeth as well as your restorations.