One-visit dentistry: what the on-site milling machine actually does
technology
A behind-the-scenes look at the chairside mill — how it turns a digital scan into a finished crown in about twenty minutes.
The reason we can send you home with a permanent crown the same day comes down to one piece of equipment: the on-site milling machine. Here's what it does and how it fits into your appointment.
From screen to solid ceramic
Once the scan of your tooth is captured, we design the crown on screen. That design file is sent — with no shipping, no lab, no waiting — to a milling machine a few steps from your chair.
Inside the mill
The mill holds a small block of ceramic in a spindle and uses two fine diamond burs to carve the crown from the block, spraying water to keep the ceramic cool. It works from multiple angles to reproduce the cusps, grooves, and margin exactly as designed.
About twenty minutes of milling
A single crown typically takes roughly fifteen to twenty minutes to mill. During that time, you can rest, use your phone, or watch the process on the screen if you're curious.
Why on-site matters
Having the mill in the office is what removes the second appointment:
- No shipping to an outside lab
- No two-week wait
- No temporary crown that can loosen or come off
- Any tiny adjustment can be re-milled the same day
After milling
The milled crown goes into a small furnace to be sintered and glazed, bringing it to full strength and giving it a natural sheen. Then we try it in, check your bite, and bond it in place.
Learn more in our guide to same-day CEREC crowns or contact us to see if you're a candidate.