"Same-day crown" is great marketing, and CEREC machines are genuinely clever. But a crown is something you'll chew on for a decade or more, so it's worth knowing what's actually different between a crown milled by a machine in the office and one crafted by a human ceramist in a dental lab — and why the speed advantage that built CEREC's reputation has mostly disappeared.
How each crown gets made
CEREC (chairside milling): your tooth is scanned, software proposes a crown design, and a milling unit in the office carves it from a pre-manufactured ceramic block while you wait. In many offices the design and mill run is handled by a dental assistant. The crown is adjusted, glazed or polished, and cemented the same visit.
Lab-fabricated: your tooth is scanned the same way (no goopy impressions at our office either), but the file goes to a dental laboratory where an experienced technician — a ceramist — designs the crown, mills it, sinters it at full temperature, and finishes the shading, translucency, and surface texture by hand against the shade and photos we send.
Where the differences show up
| CEREC / chairside | Lab-fabricated | |
|---|---|---|
| Designed by | Software, often operated by an assistant | Human ceramist with years of training |
| Material | Pre-made mill blocks; chairside "fast-sinter" zirconia | Fully sintered zirconia or layered eMax at full strength |
| Shade & translucency | Limited to the block's built-in shading | Custom-matched, with natural gradients from gumline to edge |
| Best suited for | Back molars where looks matter less | Any tooth — including ones people see when you smile |
| Visits | One | Two short ones — prep, then seat |
| Typical wait | Same day | 1–3 weeks at most offices ~24 hours at ours |
The strength question
Zirconia gets its strength from sintering — a controlled, hours-long, high-temperature process. Labs do this in industrial furnaces at full cycle. Chairside systems use speed-sintering so the crown can be delivered the same day; the materials are engineered for it, but the full lab cycle remains the gold standard, and mill blocks for chairside use are constrained by what can be cut and fired inside one appointment. For a tooth that takes real chewing force, we want the full-strength version. That's what we put in our own mouths, so it's what we put in yours.
The esthetics question
A natural tooth isn't one color. It's more opaque near the gumline, more translucent at the edge, with subtle character in between. A skilled ceramist builds that in by hand. A mill block has whatever shading was manufactured into it. On a second molar, nobody will ever know. On a tooth in your smile, everyone can tell — that's the "too perfect, slightly fake" look people associate with obvious dental work. (For front teeth, our ceramist does an in-person custom shade match on every case — here's how we handle front-tooth crowns.)
The speed advantage is mostly gone
CEREC's killer argument was always convenience: one visit, no temporary, done. That was compelling when lab crowns took three weeks. But digital scans travel instantly, and with the lab partnership we've built, most of our lab-made crowns are seated within 24 hours. The choice used to be "today vs. three weeks." Now it's "this afternoon vs. tomorrow" — with a ceramist-crafted, full-strength crown on the other end of the trade.
What we do, and why
Every crown we place is lab-fabricated sintered zirconia (eMax available where it's the better choice), designed by a ceramist we've worked with for years, prepped and seated by the same dentist — and covered by our replacement guarantee: if it ever breaks, we replace it, no questions asked. One flat fee, $799 with buildup, exam, and X-rays included.
A ceramist-made crown, seated in about a day.
$799 flat. Core buildup, exam, and X-rays included. 5.0 stars across 400+ Google reviews.
Common questions
What exactly is CEREC?
An in-office CAD/CAM system: scan, software design, and a chairside mill that cuts the crown from a pre-made ceramic block during your visit. It's the most common brand of "same-day crown" technology.
Will I need a temporary crown while I wait for a lab crown?
Yes, you'll wear a temporary — but at our office usually only for about a day, not weeks. Most crowns are seated within 24 hours of prep.
Is zirconia or eMax better?
Zirconia is the strength champion and our default; eMax (lithium disilicate) can offer beautiful translucency for front teeth. We'll recommend the right one for your specific tooth at the exam — the price doesn't change.
Why is your lab crown cheaper than other offices' machine-milled ones?
Pricing reflects overhead and business model more than material cost. We're a lean, independent practice that does a high volume of crowns and charges one honest flat fee — see the full breakdown in our crown cost guide.