New CAD/CAM Resins Are Better. They're Also Expensive. Does It Matter?

A $420 Remake Makes the Block Price Irrelevant

A single remade crown costs about $420 fully loaded, and that number should end most of the arguments dentists have about CAD/CAM material pricing. SprintRay's breakdown puts the national average lab remake rate around 4%, with a range of 1% to 7%, against chairside printed restoration material costs of roughly $5 to $15 per unit. Do that arithmetic honestly and the block you choose almost never shows up as a line item that matters.

Here's the claim an informed owner can fight us on: for the overwhelming majority of chairside practices, upgrading from a cheap hybrid block to a premium glass-ceramic is not a profitability decision at all, and treating it as one is a category error. The money in CAD/CAM is in remake rate, chair time per unit, and case selection discipline. Material cost is a rounding error dressed up as a strategic choice. Our view: if you're spreadsheeting block prices, you're auditing the wrong column.

The Materials Really Did Get Better. That Part Isn't Marketing.

We're not arguing the new resins and resin-ceramic hybrids are hype. They aren't. Flexural strength testing published in Materials in October 2024 found hybrid and resin-ceramic blocks substantially outperform traditional feldspathic ceramic: BRILLIANT Crios at 235.7 ± 26.0 MPa and Lava Ultimate at 183.7 ± 20.5 MPa, against VITABLOCS Mark II feldspathic at 137.0 ± 8.0 MPa. That's a real gap, not a within-error-bar gap.

But the same study is the one that should temper the sales pitch. Glass-ceramics still sit on top: IPS e.max CAD at 306.6 ± 35.9 MPa and VITA Suprinity PC at 317.5 ± 40.9 MPa, and those two also best retained their strength after thermomechanical aging. So the hierarchy isn't "new resin beats old ceramic." It's closer to "lithium disilicate and zirconia-reinforced glass-ceramic are still the strength leaders, and modern hybrids are now good enough that the feldspathic era is genuinely over."

That distinction matters commercially. If you're being sold a premium hybrid resin on the theory that it has caught up to e.max in load-bearing performance, the lab data doesn't support the price. If you're being sold it on milling speed, reduced chipping during fabrication, polishability, kindness to opposing dentition, and repairability in the chair, that's a different conversation and a more defensible one. Those are workflow advantages, not strength advantages, and workflow is where the real dollars live.

What Most Owners Get Wrong: They Price the Block, Not the Visit

The specific mistake, and we see it most often in two-to-four-doctor group practices where someone has finally built a materials budget, is comparing per-unit consumable cost across block families as if that comparison drives margin. An owner looks at a $28 block versus a $42 block, multiplies by 600 single units a year, and concludes they've found $8,400.

They have found $8,400, in a sense. They've also ignored that one extra point of remake rate on those same 600 units costs $2,520, and that three additional minutes of adjustment and polish per unit at a chair rate of roughly $400 an hour costs $12,000 a year in displaced production.

So the cheap block "saves" $8,400 and can quietly give back $14,520 if it mills rougher, chips at the margin more, or needs more seating adjustment. The material line is the only one on that list the owner can see on an invoice, which is exactly why it gets the attention. Visible costs beat invisible costs in every practice we look at, and invisible costs are usually the bigger number.

The second version of this mistake runs the other direction. Owners who've been burned once overcorrect and standardize on the most expensive block in the catalog for every indication, including posterior units on bruxers who should be getting monolithic zirconia and anterior cases that should be going to a lab with a ceramist. Paying premium block prices to produce a restoration that was the wrong plan is the most expensive thing in this entire article.

Running the Numbers on a 600-Unit Chairside Practice

Take a practice doing 600 chairside single-unit restorations a year at an average collected fee of $1,250. That's $750,000 of restorative production running through the mill.

Scenario A, the budget block: $28 per unit in material, $16,800 a year. Remake rate of 6%, at the high end of the 1% to 7% national range, so 36 remakes at $420 fully loaded is $15,120. Total material-plus-remake cost: $31,920.

Scenario B, the premium block: $42 per unit, $25,200 a year. Remake rate of 2.5%, so 15 remakes at $420 is $6,300. Total: $31,500.

The premium block wins by $420 a year. One remake. On $750,000 of restorative production, the entire material-grade decision is worth 0.06% of revenue.

That's the whole point. Even under assumptions generous to the upgrade, cutting remake rate from 6% to 2.5% barely pays for the better block. The upgrade isn't wrong. It's just not where your money is.

Now move the variable that actually moves. Each of those 36 remakes in Scenario A doesn't just cost $420 in lab and material. It burns a seat. If a remake visit consumes 50 minutes of chair time that could have produced $333 at a $400 hourly rate, 36 remakes cost $11,988 in displaced production on top of the $15,120 in hard cost.

Cut remakes from 36 to 15 and you recover $8,736 of that displaced production alongside the $8,820 in hard cost.

So the honest framing isn't "premium block versus budget block." It's "whatever combination of material, prep technique, scanner calibration, and case selection gets your remake rate from 6% to 2.5% is worth roughly $15,800 a year to this practice." The block is one input. It's rarely the dominant one.

Preparation Design Is the Variable Nobody Prices

Here's the finding we'd put on the wall in every operatory running a mill. A 5-year retrospective cohort in the Journal of Prosthodontic Research on anterior CAD-CAM composite-resin crowns reported 95.6% cumulative survival and 91.5% success at five years. Those are strong numbers for a material class owners still think of as provisional-adjacent.

But the same study found total occlusal convergence greater than 20° was a significant risk factor for complications, with a hazard ratio of 22.105. Twenty-two. Not 1.4, not 2.1. A prep that's too tapered multiplied complication risk by a factor that dwarfs anything a material upgrade can buy back.

Read that against the block-price debate and it reframes everything. You cannot buy your way out of over-tapered preps with better resin. The operator is the variable. A practice with disciplined, conservative convergence angles will get better five-year outcomes from a mid-tier block than a practice with sloppy preps will get from the most expensive material in the catalog. That is the line we'd text to a partner: the prep is worth more than the block, by a factor of about twenty.

This also tells you where to spend the money you're not spending on premium blocks. Calibration sessions. Loupes. A hands-on prep course for the associate who joined 14 months ago and has never had anyone critique their convergence angles. An afternoon with a rep who will actually watch your doctors prep rather than just reorder consumables.

The Five-to-Ten-Year Cliff Is the Real Risk to Your Reputation

One more piece of data an owner should hold onto. A systematic review and meta-analysis in Materials pooled survival for CAD/CAM all-ceramic tooth-supported fixed prostheses at 93.80% to 94.66% at one year, 89.67% to 91.1% at five years, and 79.33% to 82.20% at ten years. The drop between years five and ten is more pronounced than the drop before it.

That shape matters for how you run a practice, not just how you choose a block. Roughly one in five of these restorations is gone by year ten. If you've been milling heavily for six or seven years, a wave of replacement is arriving whether you planned for it or not. The practices that handle this well treat it as a recall and communication problem: they set patient expectations at seat, they document material and shade in a way that makes replacement straightforward, and they budget warranty and goodwill redos as a known operating cost rather than a monthly surprise.

The practices that handle it badly discover at year eight that they promised "permanent" and now owe free work to 40 patients at once. We'd rather you tell a patient up front that this restoration has a ten-year horizon and a documented replacement plan than discover the conversation under pressure.

Why Owners Buy the Mill Anyway, and Why That's Usually Right

Survey work in Healthcare found 27.2% of dentists had a chairside CAD/CAM system at their workplace and 81% believed chairside restoration quality was at least as good as, or better than, lab-fabricated work. High initial equipment cost was the main adoption barrier.

Note the gap: 81% think the quality is there, and 27.2% have the machine. That gap is capital, not clinical doubt. It also explains why block pricing feels so important to owners who just financed a mill. After a six-figure equipment decision, the consumable invoice is the one lever that feels controllable each month. It isn't where the return lives.

If you've bought the mill, the return comes from units per day, same-visit conversion on patients who would otherwise not come back for a seat, and eliminating temporary remakes. We wouldn't take a deal where a materials rep offers a volume discount contingent on standardizing one block across all indications. Lock in the indication, not the invoice.

Do This Before Friday

Pull your last 12 months of chairside units and count remakes and seat-visit adjustments over 10 minutes. That gives you a real remake rate instead of the one you think you have. Then have each doctor prep one typodont crown and measure total occlusal convergence, because anything above 20° is costing you far more than your block choice ever will. Keep your premium material for anterior and high-stress posterior cases, and stop treating the consumable invoice as a strategy document.

What would change our view: credible five-year clinical data showing a premium hybrid resin cuts remake rate by more than three percentage points in general practice hands, not in a university setting. We're also watching whether the year-five-to-ten survival cliff flattens for the newer material generations, because if it does, the replacement-wave math changes and so does the case for charging more at seat. Send us what your own numbers say.

If you want to see where your restorative margin actually sits once remakes, chair time and consumables are all in one place, our free overhead calculator will show you whether material spend is even in your top ten cost drivers. Most owners find it isn't. Run your own numbers and compare your per-unit cost structure against the scenarios above.