Cosmetic Dentistry

Dental Crowns

Restore your teeth with a permanent crown

Dental Crowns Return Strength and Integrity to Broken, Decayed Teeth

Did you break a tooth? Is a large cavity forcing you to chew your food on the other side of your mouth? A dental crown is a restoration that preserves the weaker, internal portion of a tooth that has large areas of decay or fractures. Crowns cover the entire surface of the tooth above the gumline, returning the structural integrity to the tooth so that it can once again function as normal.

After we repair your tooth with a dental crown, you’ll be able to bite and chew just as you did before the tooth was damaged. Because it covers the entire tooth, a crown protects the weaker areas inside the tooth that would otherwise soften, decay, or break apart. The design of your crown will significantly affect the way your smile looks, so at Smile by Design we focus on aesthetics as well as general restorative treatment.

When Are Crowns Necessary?

Dental crowns are the last line of restorative treatment available to preserve a tooth. They are often used:
  • After root canal therapy.
  • To restore broken, fractured teeth.
  • When replacing old, large fillings.
  • To treat non-vital teeth.

A crown is placed on a tooth when it is not possible to restore it with a filling. Fillings will only repair a portion of the tooth, but very large fillings cannot structurally withstand normal biting. A crown will distribute pressure evenly over the entire restoration, and protect the tooth from fracturing.

Cosmetic Dental Crown Options

Your crown designed by Dr. Michael Tam will match the colour of your adjacent teeth, to ensure that your repaired tooth blends in and looks natural when you’re talking or smiling. Depending on the location of the tooth, your treatment needs and personal preferences, Dr. Tam provides the option to have your crown made of either porcelain or composite materials. Smile by Design patients love the way their new crowns look, and know that we take the time to design teeth that reflect the quality of care you deserve. To find out more about your options for dental crowns, contact us today or visit one of our dental practices in Bondi Junction or North Sydney.

What is Crown Treatment Like?

Treatment appointments are typically broken up into 2 separate visits. At the first visit, Dr. Tam will prepare the tooth by removing any broken or decayed enamel. He then takes an impression of the tooth as well as the rest of your mouth, to ensure that your new crown will fit and bite in proper alignment with the other teeth in your mouth. These models are sent to our off-site dental laboratory where a custom-made Smile by Design crown is produced according to Dr. Tam’s specifications. Within about 2 weeks, your permanent Smile by Design crown will be ready for you to try, and if it fits you’ll have it permanently cemented in place. Your visit is short and very comfortable, and as soon as it is completed you will have a brand new, functioning tooth. We won’t ever rush you out of the office, and you can rest assured that Smile by Design crown treatments will give you a reason to smile again.

Crown Treatment Should Never be Delayed

Putting off treatment for a dental crown can allow weak tooth enamel to break apart, exposing the nerve or even fracturing the tooth beyond repair. If you suspect that your tooth has broken, or you have had a filling fall out, please call our office at your earliest convenience. The quicker you seek out treatment, the more likely you are to be able to preserve your tooth. Call Smile by Design today, and let us help you repair your teeth so that you can get back to enjoying a healthy smile!

About Dr. Tam

Dr. Michael Tam BDS (NZ) Grad Dip Clin Dent (Oral Implants) (Syd) has over 25 years experience in the dental field and with a special interest in Cosmetic and Implant Dentistry, he obtained a Distinction Award from the NZDA in Continuing Dental Education and has met with dental practices in London, Europe, Asia, America and Canada. With years of experience in cosmetic dentistry, Dr. Tam and his team have performed countless successful dental crown procedures for patients in Sydney, Australiawide and overseas so rest assured your teeth will be well taken care of.


Your treatment is performed over 2 visits. At your first visit your tooth will be prepared, which takes approximately 1 hour. Your next visit 2 weeks later, at which you try the crown and have it permanently cemented into place, takes only about 15 minutes.

Fillings are only appropriate if there is enough healthy tooth enamel on the sides of the filling to support it during normal use. If you have large fractures or decay that compromise a significant portion of the tooth, it’s best instead to preserve it by covering it to prevent more damage.

Yes. All teeth that have had root canal therapy will also need to have a permanent crown placed over the tooth to protect the brittle enamel.

The crown material used depends on the location of your tooth and the look you want to achieve. Porcelain crowns are more appropriate for your front teeth, as they look more natural. Composite crowns don’t have the natural translucent appearance, but withstand force better, making them more appropriate for molars.