Zirconia crown lifespan, types, pros and cons and cost in NZ

A zirconia cap and a zirconia crown are the same thing: “cap” is the everyday word. So how much does a zirconia crown cost in New Zealand? These are typical prices from 2026 clinic price guides and the New Zealand Dental Association (NZDA) Fee Survey of late 2023, including GST.

Dental crown zirconia prices depend on the type of zirconia, which tooth is crowned, the clinic and any treatment needed first. A zirconia crown on an implant also needs an abutment and implant parts, so it is priced differently.

What is a zirconia crown?

Zirconia (zirconium dioxide) is a very strong, tooth-coloured ceramic. A zirconia crown is milled from a block of zirconia to fit over a prepared tooth, a dental implant or as part of a bridge. Because it contains no metal, there is no grey line at the gum.

Zirconia vs ceramic crown: zirconia is itself a ceramic, so a zirconia crown is an all-ceramic crown. When people compare an all-ceramic crown with zirconia, they usually mean glass-ceramics such as E.max or porcelain, which are more translucent but less strong. Classic zirconia is roughly twice as strong as E.max in laboratory bend tests.

There are four main types of zirconia crowns:

For a side-by-side look at zirconia, porcelain-fused-to-metal, E.max and gold, see zirconia vs porcelain vs E.max vs gold crowns. Dentists can see how we make zirconia crowns and bridges.

How to get a zirconia crown: the procedure step by step

1. Assessment. Your dentist checks the tooth with x-rays, treats any decay or infection, and agrees the type of zirconia and the shade with you.
2. Preparation. The tooth is shaped. Monolithic zirconia can be made thinner than porcelain-fused-to-metal, so the tooth often needs less reduction. A scan or impression is taken and a temporary crown is fitted.
3. Design and milling. A dental technician designs the crown in CAD software, then mills it from a chalky, pre-sintered zirconia block made about 20 to 25% oversize.
4. Sintering. The crown is fired at about 1,500 °C, where it shrinks to its final size and becomes extremely hard. It is then stained and glazed, polished, or layered with porcelain.
5. Fitting. Your dentist checks the fit and bite, then cements the crown. Zirconia cannot be etched like E.max, so it is sandblasted and primed, or fixed with a cement made for zirconia.

Most zirconia crowns take two appointments about one to two weeks apart. Some clinics mill and sinter zirconia on site and finish within days.

How to use and care for a zirconia crown

• Eat normally once the final crown is fitted, but avoid chewing ice, hard lollies, pens and bottle tops.
• Brush twice a day and floss around the crown every day. Zirconia cannot decay, but the tooth underneath can, especially at the edge of the crown.
• Keep regular check-ups so your dentist can check the gum line and the bite.
• Wear a bite splint at night if you grind or clench.

Zirconia crown pros and cons in short. Pros: very strong, chip-resistant when monolithic, metal-free, often needs less tooth reduction, and its opacity can hide a dark tooth underneath. Cons: monolithic zirconia is less lifelike than E.max on front teeth, layered zirconia can chip, a rough unpolished surface can wear the opposing teeth, and zirconia is slow to drill through if the crown ever has to come off.

Tips & gotchas

• Which type of zirconia crown is best? Match it to the tooth: monolithic zirconia for molars, bridges and grinders; multilayer zirconia for premolars and many front teeth; layered zirconia or E.max where the shade has to be perfect.
• E.max crown vs zirconia. Both last well: the 2026 meta-analysis found about 98.5% of E.max and 97% of zirconia single crowns still in place after five years. E.max looks more lifelike on front teeth, while zirconia is stronger for back teeth, bridges and people who grind.
• Zirconia vs gold crown cost. Gold crowns usually cost more in 2026 because the alloy itself is expensive and its price follows the gold market. Gold is very gentle on opposing teeth, but it is not tooth-coloured.
• Root canal zirconia crown. A root-treated back tooth usually needs a crown, and zirconia is a common choice because it is strong and hides a darkened tooth. If the root canal ever needs redoing, the dentist can usually work through the crown or replace it.
• Ask for a polished finish. After the bite is adjusted, zirconia should be polished smooth again so it does not wear the opposing teeth.
• Check the shade for front teeth. Monolithic zirconia can look slightly flat or bright next to natural front teeth, so ask whether multilayer or layered zirconia suits better.

Zirconia crown bridges work well for back teeth and short spans, but bridges show lower five-year survival than single crowns in the same research, about 88 to 93%, so the connectors between teeth must be thick enough and long spans may suit implants better. Read what a bridge costs in how much does a dental bridge cost in NZ.

Zirconia crown price for a full set: “full set” usually means crowning most of the teeth in one or both arches, often 20 or more crowns. At $1,200 to $2,500 a crown, 20 crowns come to roughly $24,000 to $50,000, before any root canals, gum treatment or bite changes. Where many teeth are failing, implant options are often compared instead; see what an implant restoration is.