“Two years in and I haven't replaced a single drill.”
“I switched to Crown Down two years ago and haven't replaced a single drill. My implant site prep is noticeably faster and I have much better tactile feedback through the bone.”

Luxembourg
Solid tungsten carbide dental implant drills. Eight diameters, two drills per site, unlimited clinical use, and universal implant-system compatibility.
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Osseocompression vs osseodensification · August 2026Osseocompression vs osseodensification · August 2026 →Live Clinical Case
Two implant sites at lower right #45 and #47, prepared live with two tungsten carbide drills. No ascending sequence, no drill swaps between diameters.
Case by Dr. Ernesto Antonio Pichardo Tejada, DDS · 18+ months of daily Crown Down use
Matched-diameter drill clears the dense crestal cortex in seconds.
Trabecular drill completes the site, no ascending sequence.
The hardest bone type most clinicians will ever prepare.
Two adjacent osteotomies prepared with the same 2-drill sequence.
On this page
Implant drill primer
A dental implant drill is a surgical instrument used to prepare an osteotomy in alveolar bone so a dental implant fixture can be placed. It threads into a calibrated surgical handpiece and is run at a precisely controlled speed, typically 200 to 1,500 rpm depending on the protocol, to remove bone in incremental diameters until the site matches the implant being placed.
Every implant placement begins and ends with the dental implant drill. Drill quality directly determines how cleanly the osteotomy is cut, how much heat is generated against bone, and how predictable primary stability will be at the moment of placement.
The single biggest variable in clinical performance is the drill material. Stainless steel dulls quickly and traps heat in bone. Solid tungsten carbide stays sharp through unlimited clinical use and pulls heat away from the osteotomy. Every claim on this page rests on that one material distinction.
The deeper technical treatment of that argument, with 13 peer-reviewed citations and in-vitro dental-stone imagery of steel-drill edge collapse, is on the Wear-Proof Implant Drills clinical analysis, which also explains why the Crown Down drilling sequence is required to make solid tungsten carbide safe in clinical use.

Eight solid tungsten carbide dental implant drills, sizes #20 (2.75 mm) through #60 (6.00 mm), engineered for unlimited clinical use.
Drill anatomy
Every implant drill, regardless of brand or material, shares the same functional anatomy. Each feature has a direct effect on cutting efficiency, heat generation, and how cleanly the osteotomy wall is prepared.
Cutting edge
The sharpened tip geometry that actually shears bone. Its angle and sharpness determine whether bone is cut cleanly or burnished and torn. This is the first feature to degrade as a steel drill dulls, and the reason edge-holding hardness matters most.
Flutes
The helical grooves running up the drill body. They channel bone chips up and out of the osteotomy so debris doesn’t pack against the cutting edge and generate friction heat. Flute geometry also lets a large-diameter drill collect autogenous bone chips for grafting.
Depth markings
Laser-etched or grooved reference lines that let the clinician read working depth directly against the crestal bone during drilling, typically at 6, 8, 10, 12, 13, and 16 mm.
Shank
The upper end that seats into the surgical handpiece or contra-angle. Crown Down uses a standard Morse 1.5° / 4.0 mm interface, so the drills run in the same handpieces already used with Nobel, Straumann, and other systems.
Depth stopper
A collar that locks onto the drill shank to mechanically cap the drilling depth. Crown Down’s coded 3D stoppers register against a surgical guide sleeve for guided cases in 8, 10, and 12 mm working depths.
Body & diameter
The overall drill diameter defines how wide the osteotomy is cut. Implant drills are sold in a graded set of diameters so the site can be widened to match the exact fixture being placed - detailed in the size chart below.
What Makes Crown Down Different
Explore Crown Down from the perspective that matters most to your practice.
Practice Economics
Solid tungsten carbide and a lifetime sharpness warranty replace the recurring drill-replacement line item with a one-time kit purchase.
See the 5-year ROILong-Term Cutting Performance
Carbide is ~13x harder than surgical stainless steel and does not dull under normal clinical conditions; the same drill cuts as effectively in year five as it did on day one.
Carbide vs. steelNo Brand Lock-In
Universal compatibility across all major implant systems - your kit isn't tied to a single implant supplier or their forced accessory cycle.
Explore compatibilityYou’ve seen what Crown Down changes
Now see it in your hands.
A free 15-minute call: the drills, the 2-drill sequence, and which configuration fits your surgical workflow.
Drill anatomy
A standard drilling cassette contains four functional drill types. Manufacturers may name them differently, but the role of each is consistent across systems. For a deeper reference on every drill category plus sizes, RPM, and drilling sequences, see the complete implant drill guide.
1. Pilot drill
The narrowest drill in the kit (typically 2.0 to 2.2 mm). Marks the entry point and establishes initial trajectory and depth through the cortical plate.
2. Twist drills
Sequential drills of increasing diameter that progressively widen the osteotomy. Conventional steel protocols use 3 to 6 twist drills per site.
3. Final shaping drill
Matches the implant’s exact taper and apical geometry. Determines the final dimensions of the osteotomy and prepares it for the implant fixture.
4. Depth-control drill
Used with a depth stopper or 3D-printed surgical guide to lock in the apical limit of the osteotomy, especially for guided implant surgery.
The Crown Down system consolidates these four roles into a 2-drill protocol using solid tungsten carbide. One drill, the cortical drill, performs the crestal pass; a second prepares the trabecular bone undersized for intentional osseocompression. The same two drills ship on Crown Down’s surgical implant kit for freehand and mixed workflows, or on the guided implant drill kit with coded 3D depth stoppers for template-based cases. For the full transactional breakdown, see the implant drill kit page.
Sizes & diameters
Crown Down drills come in eight diameters from Ø 2.75 mm to Ø 6.0 mm, each identified by a drill number. The table maps every drill to its diameter, its role in the 2-drill osteotomy, and the implant diameters it typically prepares. Exact drill pairing per implant is defined on the system-specific drilling charts.
| Drill | Diameter | Osteotomy role | Typical implant Ø |
|---|---|---|---|
| #20 | Ø 2.75 mm | Trabecular / pilot | 3.0–3.3 mm |
| #30 | Ø 3.0 mm | Trabecular | 3.3–3.5 mm |
| #35 | Ø 3.5 mm | Cortical or trabecular | 3.5–4.0 mm |
| #40 | Ø 4.0 mm | Cortical or trabecular | 4.0–4.3 mm |
| #45 | Ø 4.5 mm | Cortical or trabecular | 4.3–4.8 mm |
| #50 | Ø 5.0 mm | Cortical or trabecular | 4.8–5.0 mm |
| #55 | Ø 5.5 mm | Cortical | 5.0–5.5 mm |
| #60 | Ø 6.0 mm | Cortical | 5.5–6.0 mm |
Typical implant-diameter ranges are a general guide. The exact cortical drill (#1) and trabecular drill (#2) pairing for each implant is published per system on the compatibility charts. For how the two drills work together, see the 2-drill protocol and the cortical drill reference.
Crown Down is built for dentists who want a smarter way to prepare implant osteotomies, not a slightly-different version of the same drill kit.
Clinicians placing freehand implants who want better tactile feedback and a faster, simpler osteotomy.
Practices running fully or partially guided cases who need a drill kit that pairs cleanly with stoppers and surgical guides.
Teams done with replacing dull steel drills, juggling reorder cycles, and tracking sterilization counts.
Dentists working across multiple implant systems who want a single drilling kit that doesn't lock them into one brand.
Practices ready to simplify osteotomy preparation from a long sequence to two tungsten carbide drills per site.
Dentists who want to collect a larger volume of clean autogenous bone chips during osteotomy preparation, without adding a separate harvesting procedure.
The System
The Crown Down system includes 15 mm and 20 mm surgical kits, individual tungsten carbide drills from Ø 2.75 mm to Ø 6.0 mm, and 3D stoppers for guided osteotomy preparation. One purchase covers your full case mix, with no recurring replacement budget. See what’s inside the implant surgical kit.

CD-KIT-L015
2-drill tungsten carbide kit with 15 mm drills.

CD-KIT-L020
2-drill tungsten carbide kit with 20 mm drills.

#20 – #60
Solid tungsten carbide, Ø 2.75 to Ø 6.0 mm. Sold individually for misplaced or lost drills.

Guided surgery
Three-dimensional drill control for guided osteotomy preparation.
Drill material
The dental implant drill material determines how much heat is generated, how quickly the cutting edge degrades, and how many procedures you can perform before replacement.
Stainless steel
The vast majority of dental implant drills are surgical stainless steel. Inexpensive to machine, familiar to every clinician, but with fundamental material limits.
Solid tungsten carbide
Tungsten carbide is one of the hardest materials used in surgical applications, approximately 13× harder than stainless steel. Its thermal conductivity is 6× higher.
For the full side-by-side breakdown, see carbide vs. stainless steel implant drills.
Another Approach
You already have a drilling system that works. The question isn’t whether Crown Down replaces it. It’s whether it gives you another useful option worth considering alongside it.
Thermal profile
Solid tungsten carbide’s higher thermal conductivity (around 110 W/m·K vs. steel’s 18 W/m·K) draws heat away from the osteotomy during preparation. Learn about implant drilling heat.
Long-term ownership
Carbide drills maintain cutting performance across repeated cases, so periodic drill replacement isn’t a recurring line item on the practice’s supply budget.
Simpler workflow
The 2-drill protocol handles cortical and trabecular preparation with a single instrument change per site: fewer swaps, cleaner tray flow, faster turnover.
Curious what this would look like in your practice?
Run your own numbers, or book a 15-minute call.
The 2-drill tungsten carbide protocol is backed by internal material testing, thermal measurement, and ongoing clinical use across implant systems.
1,000 osteotomy cycles each in bovine rib, pig rib, and bovine tibia at 22°C. No visible wear damage observed across all three internal tests.
Independent studies on implant drill material, heat, and repeated-use degradation: Koo 2015, Mendes 2014, Harris & Kohles 2001, Yalcin 2025.
Documented 5-year follow-up of a Neodent GM implant placed with the Crown Down protocol in a complex medically-compromised patient.
Disclosure: Internal testing was performed on benchtop bone substrates under controlled drilling conditions and is intended for comparative reference. Clinical outcomes depend on operator technique, drilling parameters, and case-specific anatomy. Clinicians should follow their training and clinical judgment when selecting drilling protocols.
7 clinician reviews and counting
“Two years in and I haven't replaced a single drill.”
“I switched to Crown Down two years ago and haven't replaced a single drill. My implant site prep is noticeably faster and I have much better tactile feedback through the bone.”

Luxembourg
“My assistants noticed the difference on day one.”
“The 2-drill protocol cut my osteotomy time significantly. My assistants noticed the difference on day one: fewer instruments to manage, faster turnover between patients.”

Israel
“18 months of daily use and the drills still cut like new.”
“I was skeptical at first, but after 18 months of daily use the drills still cut like new. The heat reduction is real, and my patients report less post-op discomfort.”

Dominican Republic
“That line item is simply gone now.”
“What sold me was the economics. I used to budget for replacing dull drills every quarter, and that line item is simply gone now. The carbide holds its edge case after case, and the consistency that gives me during osteotomy prep is worth as much as the savings.”

Montreal, Canada
“My team adapted to the protocol within a week.”
“Going from a full sequential tray down to two drills changed how my surgical days run. There is less to set up, less to track, and my guided cases flow faster without sacrificing accuracy. My team adapted to the protocol within a week.”

Pierrefonds, Canada
“The thermal difference is something I can feel through the handpiece.”
“The thermal difference is something I can feel through the handpiece, and I see it in how cleanly the sites heal. Preserving bone vitality matters to me, and being able to collect autogenous chips on the same pass has made grafting in my practice far more straightforward.”

Dr. Gadi Kalihman
Kiryat Gat, Israel
“Same torque, different bone, different biology.”
“This is one of the principles behind the Crown-Down technique: by selectively reducing cortical interference, insertion torque may better reflect the true mechanical contribution of the medullary bone while reducing excessive crestal compression. Same torque, different bone, different biology.”

Venezuela
Buy With Confidence
Try it on your first cases. Full refund if it doesn’t outperform your current drills.
60-day clinical trial
Use the kit on your first cases. If Crown Down doesn't outperform your current drills, full refund - we pay return shipping.
Wear-performance for life
After the trial, drills are guaranteed against loss of cutting performance under normal clinical use.
FDA cleared
Class II surgical instrument. Regulatory documentation ships with every order.
Ships worldwide
$100 flat-rate shipping to every country we deliver to. Stripe checkout, tax at cart.
Buying checklist
Four criteria separate a drill kit that earns its place in your practice from one that becomes a recurring replacement line item.
Durability
The drill should maintain its cutting edge over hundreds or thousands of procedures, not degrade after 20.
Heat management
The drill should conduct heat away from the cutting edge efficiently, so bone temperature is not driven by the drill material itself.
Workflow efficiency
Fewer drills per site means faster procedures, less instrument management, and more patients per day.
Compatibility
Your drills should work with any implant system, not lock you into a single brand’s ecosystem.
4×
Faster osteotomy
6×
Better heat dissipation
2
Drills per site
$0
Annual replacement cost
Founded by Dr. Zvi Fudim, Crown Down develops surgical drilling systems that address the core challenges dentists face with implant integration. Our technology draws on decades of clinical practice and materials science to deliver instruments that are more durable, thermally efficient, and cost-effective than conventional stainless steel alternatives.

Founder & CEO
Implant dentist and inventor of the Crown Down system, with decades of clinical and materials science experience.

Co-Founder
Leads operations, manufacturing, and product delivery.

CTO
Leads engineering, product development, and the Crown Down technology platform.
Crown Down is a universal implant drilling kit compatible with Nobel Biocare, Straumann, Zimmer Biomet, MIS, BioHorizons, Osstem, and other major implant systems.

See the difference for yourself
Join the clinicians who’ve eliminated routine drill replacement and simplified their osteotomy workflow.
The most common clinician questions about dental implant drills, material, and the Crown Down kit.
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