The tooth is prepared as normal, which takes about forty minutes. Then an intraoral scanner records it — a wand, a few passes, no tray of setting material and no gagging. The crown is designed on screen while you have a coffee, and you can look at it before it is cut.
The milling unit takes twenty to thirty minutes for the ceramic, then it is stained, glazed and fired for another twenty. Fitting and adjusting the bite is the last twenty minutes. Most people bring a book; some go and do something else on Montpellier Parade and come back.
The honest limitation: this route suits back teeth and single units. A front tooth that has to match a natural neighbour is better made by hand at the laboratory over two weeks, and we will tell you when that is the case rather than sell you the convenience.