Permanent Dental Crowns Explained

Why Would You Need a Permanent Crown?

Traditionally, dental crowns are required when a tooth has lost enough structure for it to sustain safe functioning. This can be because a big filling no longer provides sufficient support, or, a crack is making the tooth difficult to bite down.

What Does the Crown Actually Do

As a general rule of thumb, a crown is more like a cap than a replacement tooth. Your dentist will gently reshape the tooth so that the crown will provide a comfortable bite. The new crown fits snugly onto this prepared surface.

Once fitted and bonded or cemented into place, you cannot remove the crown to clean it at the end of each day. You will need to clean around the crown as you would your natural teeth, making sure to pay particular attention to the gum line.

What Happens During the Treatment?

The first treatment is usually to prepare the tooth for the crown. Your dentist will take away some of the enamel and possibly damaged dentine so that the crown will not feel too big. A temporary crown is put in place, while the permanent crown is being created. Keep in mind that this is just a placeholder and it is important not to eat sticky foods that may loosen it.

How Long Will a Permanent Crown Last?

They normally function for many years without issue although there is no definitive life expectancy. It will depend on your bite and how well you care for your teeth. Grinding can also have an effect, as can the type of crown chosen. Generally speaking, they should get out of the way of your daily life.

Choosing the Right Crown Material

Ceramic crowns can be used to recreate a natural tooth appearance and are ideal for teeth that are visible when you smile. Zirconia is incredibly strong and is recommended for areas of the mouth that are subject to particularly heavy chewing pressure.

Metal crowns are not as aesthetic but can be a good choice due to their resilience. Finally, porcelain fused to metal crowns use less porcelain, and have a metal core which offers extra support.

Looking After a Permanent Crown

It is important to remember that the tooth underneath the crown is still susceptible to decay. In fact, it is vital that you take extra care to clean around the crown and keep your regular dental check-ups. Brushing twice a day and cleaning between the crown and gum is key to avoiding decay.

You should try not to use your teeth to open things, and if you suffer from any form of bruxism, your dentist will be able to recommend a nightguard.

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