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Dental Crowns Explained: When You Need One and How Long They Last

Dental patient having a tooth examined before a dental crown in Surrey, BC

A dental crown is one of the most common ways dentists rescue a tooth that is damaged, weak or worn down. If your dentist has just recommended one, you probably have three questions: what exactly is it, do I really need it, and how long will it last? Crowns are part of our everyday restorative work at Just Smiles Dental in Surrey, and we would rather you understood the options before you were in the chair.

The short answer: a crown is a custom-made cap that covers a whole tooth to restore its strength and shape. Most crowns last about 10 to 15 years, and many last longer. In British Columbia a single crown is commonly quoted somewhere between $1,000 and $2,000 before insurance, and crowns are covered by the Canadian Dental Care Plan only through preauthorization.

Here is the full picture: when a crown is genuinely needed, the material choices, what the appointments involve, what it costs, and how to make yours last.

What Is a Dental Crown?

A dental crown, sometimes called a tooth crown or a cap, is a custom-made cover that fits over a whole tooth. It restores the tooth’s shape, size, strength and appearance. The Canadian Dental Association describes a crown as a hollow, artificial tooth used to cover a damaged or decayed tooth, protecting it from further damage.

Once it is cemented in place, a crown looks and works much like a natural tooth. Crowns are a core part of restorative dentistry, and they are often what lets a patient keep a natural tooth that would otherwise be lost.

Crown, Filling or Bonding: How Dentists Decide

The real question is rarely “crown or nothing” โ€” it is how much healthy tooth is left to work with.

  • A filling replaces a small amount of missing tooth. It relies on the surrounding tooth to hold everything together, so it suits smaller cavities and chips.
  • Bonding repairs minor chips and gaps cosmetically, on a tooth that is otherwise sound.
  • A crown takes over the job the tooth can no longer do alone. When the remaining walls of the tooth are thin, cracked or heavily filled, adding more filling material makes the tooth more likely to split, not less.

That is the reasoning behind the recommendation: not that the filling failed, but that there is no longer enough sound tooth around it to carry a chewing load.

When Do You Need a Dental Crown?

Your dentist may suggest a crown when:

  • A tooth has a large cavity, or an old filling so large the tooth cannot stay strong on its own
  • A tooth is cracked, broken or badly worn, often from grinding
  • A tooth has had a root canal and needs protection, because it can become brittle afterward
  • You have a dental implant that needs a crown placed on top
  • A tooth is misshapen or badly discoloured and you want to improve how it looks
  • A dental bridge needs anchoring, since crowns on the neighbouring teeth are what hold a traditional bridge in place

In many cases a crown is exactly what lets you save a natural tooth instead of removing it. If that is the decision in front of you, our guide to root canal versus extraction walks through the trade-offs, and what dental bridges involve covers the option after a tooth is gone.

Types of Dental Crowns

Crowns come in several materials, and each trades appearance against strength.

Crown material Strengths Trade-offs Often used for
Porcelain / all-ceramic Most natural-looking, reflects light like enamel, metal-free Less durable than zirconia under heavy chewing Front teeth and anything in the smile line
Zirconia Very strong and wear-resistant, metal-free, modern shades look natural Slightly less translucent than porcelain Back teeth, and patients who grind
Porcelain-fused-to-metal Metal core for strength with a porcelain outer layer A dark line can show at the gumline over time A middle ground where both matter
Full metal or gold The toughest option, and gentle on opposing teeth Obvious metal colour Out-of-sight back teeth where strength wins
Temporary Protects the prepared tooth between visits Not built to last, cement is deliberately weak The two to three weeks before your final crown

Illustration of a dental crown and a root canal treatment at a Surrey dental clinic

Porcelain vs zirconia: which is better?

There is no single winner. Porcelain wins on natural appearance, especially for front teeth; zirconia wins on strength and longevity, especially for back teeth and heavy grinders. The right answer depends on which tooth it is, how hard you bite, and whether the tooth shows when you smile. For cosmetic cases, our smile design process is where that conversation happens.

Caring for a temporary crown

A temporary is held on with soft cement so it can be removed easily later, which means it can come off if you treat it like a permanent one. Chew on the other side, skip anything sticky such as toffee or gum, and floss by sliding the floss out sideways rather than snapping it up past the crown. If it does come off, keep it and call the office โ€” usually it can simply be recemented.

The Dental Crown Procedure: What to Expect

Getting a crown usually takes two visits:

  1. Visit one: your dentist numbs the area, gently shapes the tooth, and takes a digital scan or impression. You leave wearing a temporary crown.
  2. Between visits: a dental lab custom-makes your permanent crown to match the shade and shape of your other teeth. This usually takes two to three weeks.
  3. Visit two: your dentist removes the temporary, checks the fit, bite and colour, then cements the permanent crown in place.

We take digital impressions with an iTero 3D scanner rather than a tray of impression putty, which most patients find far more comfortable and which sends the lab a more precise model to work from. Depending on the case and the technology involved, same-day crowns are sometimes possible โ€” ask at your consultation rather than assuming either way.

Does a crown hurt? The appointment itself should not, because the tooth and gums are frozen throughout. Mild sensitivity to hot and cold for a few days afterward is normal, and it settles as the tooth calms down. Some cases also need more than two visits โ€” a tooth may need gum treatment, a build-up or a root canal before the crown can be made properly.

How Long Do Dental Crowns Last?

With good care, most dental crowns last about 10 to 15 years, and plenty last considerably longer. Zirconia and metal crowns tend to be the most durable, while porcelain may need replacing a little sooner.

What actually decides it:

  • The tooth underneath. Most crowns are replaced because of new decay or a fracture below the crown, not because the crown itself wore out.
  • Your bite and grinding habits. Clenching at night puts more force through a crown than chewing ever does.
  • Gum health. As gums recede, the margin of the crown becomes exposed and vulnerable.
  • Daily cleaning, particularly flossing right at the gumline where the crown meets the tooth.

Results vary from person to person, and no crown can be guaranteed to last forever. The Cleveland Clinic’s overview of dental crowns gives a good general picture of what to expect over a crown’s lifetime.

What Does a Dental Crown Cost in British Columbia?

There is no single price, because a crown is rarely just a crown. Fees are set by each dental office โ€” the BC Dental Association publishes a suggested guide, not a fixed price list โ€” and the total depends on the material, the lab work, the tooth involved, and whether the tooth needs other treatment first.

These are the ranges patients are commonly quoted in BC. Treat them as a planning guide, not a quote:

Item on the estimate Commonly quoted range in BC When it applies
Crown (porcelain, ceramic or zirconia) $1,000 to $2,000 per tooth Almost always, and lab fees may be listed separately
Core build-up $150 to $350 When too little tooth is left to support the crown
Post and core $250 to $450 Usually only after a root canal on a badly broken tooth
Root canal first $700 to $1,800 If the nerve is involved; molars sit at the top of that range

This is why an exam and a written estimate matter more than any number online. Two people can be quoted very differently for the same tooth simply because one of them needs the nerve treated first.

Most private plans treat a crown as a major service, often covered around half after your deductible, and most plans cap what they pay in a calendar year at roughly $1,000 to $2,000. A crown plus a root canal can use up that entire annual maximum, so if treatment is not urgent it is sometimes worth asking whether the work can be split across two benefit years.

It is also worth asking for a predetermination to be sent to your insurer before treatment starts, since that is what tells you your actual share in advance rather than after the fact. We bill insurance companies directly, and iFinance payment plans are available if you would rather spread the cost over instalments.

Does the CDCP Cover Dental Crowns?

Sometimes, but not automatically. Since 1 November 2024, crowns, partial dentures and higher levels of sedation became available to Canadian Dental Care Plan patients through preauthorization, as the Canadian Dental Association explains. Preauthorization means the treatment has to be submitted and approved before it is done, and approval is decided case by case rather than guaranteed.

Two things worth knowing if you are on the plan. First, what the CDCP pays is based on its own established fees, which may be lower than the office’s fee, so there can still be a difference for you to cover. Second, depending on your adjusted family net income you may also have a co-payment. Our guide to what the CDCP covers and what it does not goes through the income tiers and the gaps.

How to Make Your Crown Last Longer

A crown cannot get a cavity, but the natural tooth underneath still can โ€” and that is what usually ends a crown’s life.

  • Brush twice a day and floss around the crown daily, especially along the gumline margin
  • Keep up your regular exams and cleanings so decay under the edge is caught early
  • Avoid chewing ice, hard candy and popcorn kernels
  • Wear a night guard if you grind โ€” if you wake with a sore jaw or headaches, ask about grinding treatment before it costs you the crown
  • Never use your teeth as tools to open packaging

Crown vs Veneer: What Is the Difference?

These get mixed up constantly. A crown covers the entire tooth and is mainly restorative, used when a tooth is damaged or weak. A veneer is a thin shell bonded to the front surface only, and is mainly cosmetic, used to improve the look of a tooth that is otherwise healthy.

Because a veneer keeps more of your natural tooth, dentists generally prefer it when the tooth is sound and the concern is appearance. When strength is the issue, a veneer is the wrong tool. A short exam settles it quickly.

Dentist reviewing an iTero digital scan with a patient before a dental crown in Surrey, BC

What to Do If Your Crown Comes Loose or Falls Off

It happens, and it is usually fixable. Keep the crown, rinse it, and store it somewhere safe โ€” a recemented crown is far cheaper than a remade one.

  • Do not try to glue it back yourself; household adhesives are not safe in the mouth and can make the crown unusable
  • Keep the exposed tooth clean and chew on the other side
  • Expect sensitivity to cold, since the prepared tooth underneath is no longer covered
  • Call your dentist promptly โ€” the tooth can shift within days, and then the original crown may no longer fit

If it happens outside regular hours or the tooth is painful, our emergency dental page explains how to reach us.

The Bottom Line

  • A crown is recommended when there is not enough sound tooth left to carry a filling safely, not because a filling failed.
  • Most crowns last 10 to 15 years, and what usually ends them is decay or fracture in the tooth underneath.
  • Get a written estimate and, if you have coverage, a predetermination โ€” the crown itself is only part of the bill.

Book a Crown Consultation in Surrey

If a tooth is cracked, sore, heavily filled or simply not looking its best, a crown may be the answer โ€” and if it is not, we will tell you that too. The team at Just Smiles Dental will examine the tooth, explain the options in plain language, and go through the costs and your coverage before you decide.

Call 604-579-0117 or book an appointment online. You can also read more about dental crowns in Surrey and what we use them for.

Frequently Asked Questions

Does getting a dental crown hurt?

The procedure itself should not hurt, because the tooth and gums are numbed first. Mild sensitivity to hot and cold for a few days afterward is normal and settles on its own. If discomfort lasts longer than a week or the bite feels high, call your dentist, because the crown may simply need a small adjustment.

How long do dental crowns last?

Most crowns last about 10 to 15 years, and many last longer with good care. Zirconia and metal crowns tend to be the most durable. What usually ends a crown is decay or a fracture in the natural tooth underneath rather than wear on the crown itself.

How much does a dental crown cost in BC?

Patients in British Columbia are commonly quoted somewhere between 1,000 and 2,000 dollars per crown before insurance, and the total rises if the tooth also needs a build-up or a root canal first. Fees are set by each office, so ask for a written estimate after an exam.

Does the Canadian Dental Care Plan cover crowns?

Crowns became available to CDCP patients through preauthorization on 1 November 2024, which means the treatment must be submitted and approved before it is done. Approval is case by case, the plan pays its own established fees, and a co-payment may apply depending on your adjusted family net income.

What is the difference between a crown and a veneer?

A crown covers the whole tooth and is used to restore a damaged or weak tooth. A veneer is a thin shell bonded to the front surface only and is mainly cosmetic. Veneers preserve more natural tooth, so they are preferred when the tooth is healthy and only its appearance is the concern.

Which is better, a porcelain or zirconia crown?

Neither suits every case. Porcelain looks the most natural and is often chosen for front teeth, while zirconia is stronger and better suited to back teeth or people who grind. Your dentist will recommend the material based on the tooth, your bite and whether it shows when you smile.

Can a tooth with a crown still get a cavity?

The crown itself cannot decay, but the natural tooth underneath can, especially at the gumline where the crown meets the tooth. That is why daily flossing around the crown and regular checkups still matter after the crown is placed.

Who places a dental crown?

In most cases your general dentist does. For complex cases a dentist may refer you to a prosthodontist, a dentist who has completed a university post-graduate specialty program in restoring and replacing teeth. Your dentist will tell you if a referral would give you a better result.

This article is general information, not dental advice, and the fee ranges are typical quotes rather than our fees. Please have your tooth assessed by a dentist for advice and an estimate specific to you.

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