The idea that a crown can be designed, manufactured and fitted while you wait sounds implausible if you remember the old process: impressions, a fortnight in a temporary, then back again. So how are same day crowns made, and is anything being compromised to achieve it? The short version is that the fortnight was never the crown. It was the postage.
On this page
- The conventional route, and why it took a fortnight
- How same day crowns are made, step by step
- How long does the appointment take?
- Is anything compromised?
- The practical advantages
- When the laboratory route is still better
- It is the same crown, clinically
- In summary
The conventional route, and why it took a fortnight
Conventionally, a crown involves preparing the tooth, taking impressions, fitting a temporary crown, and sending the impressions to a dental laboratory where a technician crafts the crown by hand. Two weeks later it comes back, the temporary is removed, and the finished crown is fitted.
Almost all of that fortnight is transit and queue time at the laboratory. The crown itself does not take two weeks to make.
How same day crowns are made, step by step
- Preparation. The tooth is numbed and shaped to receive its crown, exactly as it would be conventionally. This part is unchanged.
- Digital capture. Instead of trays of impression material, a small camera captures your prepared tooth, the neighbouring teeth and your bite, building a precise three-dimensional model on screen. No gagging, no mess, and considerably more comfortable.
- Design. Your crown is designed on that model, with the shape, contours and bite refined to fit your mouth exactly. You can watch this happen if you are curious, and many people are.
- Milling. The design is sent to a small milling unit in the practice, which carves the crown from a solid block of dental ceramic. This typically takes well under an hour.
- Finishing. The crown is characterised and glazed to match the shade and translucency of your neighbouring teeth.
- Fitting. It is tried in, checked for fit, bite and appearance, adjusted if needed, and bonded permanently, all under the same numbing.
How long does the appointment take?
Plan for a single longer appointment, typically a couple of hours or so from start to finish, with a comfortable wait in the middle while the crown is milled and finished.
Most people bring a book or simply enjoy the novelty. Compared with two appointments a fortnight apart, plus a temporary crown to look after in between, it is considerably less of your life.
Is anything compromised?
Not for most crowns, no. Modern milled ceramics are strong, precise and lifelike, and the digital fit is excellent because a scan does not distort the way impression material occasionally can.
The honest asterisk is that laboratory technicians remain unmatched at certain things, particularly the subtle layering and characterisation that makes a front tooth crown blend perfectly with its neighbours in every light. For the most demanding cosmetic cases, the laboratory route can still have the edge.
Our page on same day crowns sets out where each route suits.
The practical advantages
- One appointment rather than two, which matters if time off work is difficult.
- One round of numbing, since the fitting happens while you are still numb from the preparation.
- No temporary crown, so nothing to come loose on a toffee. Our post on what to do when a temporary comes off explains why that matters.
- No impression trays, which is a genuine relief if you have a strong gag reflex.
- No fortnight with a prepared tooth under temporary cover.
When the laboratory route is still better
Some situations genuinely favour the conventional approach: particularly complex bites, certain heavily broken-down teeth, and front teeth with exacting cosmetic demands where hand-layered porcelain gives the most natural result.
You should be told honestly which category your tooth falls into rather than steered towards whichever equipment happens to be in the building. A practice that recommends the right crown rather than the convenient one is the one to trust.
It is the same crown, clinically
Worth emphasising, because people sometimes assume same-day means temporary or lesser: a same day crown is a permanent crown. It is bonded in place, expected to last comparably to a laboratory crown, commonly ten years or more, and cared for identically.
Our post on how long a dental crown lasts covers what extends the life of any crown, and the reasons a tooth needs crowning in the first place are unchanged, as our page on crowns explains. For less extensive damage, inlays and onlays may be the more conservative option.
The NHS overview of dental crowns gives useful general background.
In summary
Same day crowns are made by capturing your prepared tooth digitally, designing the crown on screen, and milling it from a solid ceramic block in the practice while you wait. The preparation and the clinical reasoning are identical to a conventional crown; only the manufacturing moves in-house, removing the fortnight and the temporary.
If you need a crown and would rather it took one visit than two, ring us on 01255 422506. Our post on whether root canal treatment hurts may also be relevant, since root-treated back teeth usually need crowning afterwards.
This article is general information rather than personal dental advice. Every mouth is different, so please speak to your dentist about your own teeth.