A temporary dental crown and a permanent one serve very different purposes, and understanding the distinction helps patients feel more in control of the process. The temporary restoration is not a lesser version of the final crown: it’s a clinical necessity, placed to protect your prepared tooth while the permanent restoration is being fabricated at the laboratory.
Why a Temporary Crown Is Necessary
When we prepare a tooth for a crown, we remove a layer of the outer tooth structure to create space for the restoration to fit over it. That prepared tooth is smaller than it was, and without any covering it would be vulnerable to temperature sensitivity, bacterial attack, and movement of the surrounding teeth into the space. The temporary crown solves all three problems at once.
It also lets you walk out of the first appointment looking and functioning reasonably normally.
Patients who understand what the temporary crown is doing are far less anxious about the two to three week period between appointments. It’s doing a specific job, and it does it well enough for that window.
How Temporary Crowns Are Made
Temporary crowns are typically fabricated chairside, either from a mould taken of your tooth before preparation or shaped directly. The materials used are acrylic resin or composite, and the cement is deliberately weaker than the permanent cement used for the final restoration. This makes removal straightforward at your second appointment without damaging the prepared tooth underneath.
They’re not designed to last years.
| Feature | Temporary Crown | Permanent Crown |
|---|---|---|
| Material | Acrylic resin or composite | Ceramic, zirconia, porcelain-fused-to-metal, or gold |
| Cement | Temporary (weaker, removable) | Permanent luting cement |
| Fabrication | Chairside, same appointment | Dental laboratory, around two weeks |
| Expected lifespan | Two to four weeks | Ten to fifteen years with good care |
| Aesthetics | Functional, not optimised | Colour-matched, contoured to specification |
What to Avoid While Wearing a Temporary Crown
The instructions we give patients for the temporary phase are straightforward. Avoid sticky or chewy foods: toffees, chewing gum, and dried fruit can all pull a temporary crown away from the prepared tooth. Avoid very hard foods on that side of the mouth. Don’t floss in a pulling motion directly around the temporary crown. You can and should clean the tooth, but draw the floss out sideways rather than lifting it up through the contact point.
That said, the temporary crown isn’t fragile in normal use. You can eat, speak, and carry on with your day without treating it as precious.
Some patients find the temporary crown comes loose. This isn’t a crisis, but it does need prompt attention: the prepared tooth underneath is sensitive and needs to be protected. Call us the same day if possible.
Sensitivity During the Temporary Phase
It’s common to notice some sensitivity to hot and cold while the temporary crown is in place. The tooth has been prepared, which involves removing enamel and exposing dentine, and dentine is more sensitive to temperature change than enamel is. Most of this settles once the permanent crown is cemented. The pattern we notice is that sensitivity is at its highest in the first few days after preparation, then gradually settles during the temporary phase.
Persistent or worsening pain, or pain that doesn’t respond to over-the-counter analgesics, is worth reporting to us before your scheduled fitting appointment.
The Permanent Crown Fitting Appointment
At the second appointment, we remove the temporary crown, clean the prepared tooth, and try the permanent restoration in before cementing. The try-in lets us check the fit, the bite, and the appearance before anything is permanent. If the shade is slightly off, or the margins need minor adjustment, this is the moment to address it.
Once you and the clinician are satisfied, the crown is cemented with a permanent luting agent. The bite is checked again, and any final adjustments made.
On balance, the two-appointment process is more predictable and produces better results than trying to fabricate and place a permanent restoration in a single visit, though same-day CEREC crowns exist and may be appropriate in certain circumstances.
How Long Does a Permanent Crown Last?
With good oral hygiene and regular check-ups, a well-made crown can last somewhere between ten and fifteen years, and often longer. The NHS guidance on dental treatments suggests crowns should last around eight to ten years when properly cared for. Private crowns made from premium materials and placed with precision can exceed that estimate. The critical factor is what’s happening at the margins of the crown and beneath it: gum disease or secondary decay at the crown margin can compromise a restoration long before the material itself fails.
Speak to Our Team
If you have questions about the crown process in West Byfleet, or if you’re ready to arrange an assessment, get in touch with us at Coniston Dental Practice on 01932 343 675.
