Crown Down for Zimmer Biomet. The Compatible Implant Drill Kit.
You place Tapered Screw-Vent, Trabecular Metal T3, or Eztetic under the Zimmer Biomet Dental portfolio (now ZimVie). Your Zimmer drills wear out on the same schedule as every steel kit, and a full TSV surgical cassette carries an ongoing drill replacement cost. Crown Down is a tungsten carbide implant drill kit that maps to Zimmer's published osteotomy specifications, uses two drills per site instead of four to five, and doesn't require scheduled replacement.
Which Zimmer Biomet lines does the kit cover?
Crown Down publishes a validated drilling chart for the Tapered Screw-Vent line, and the same universal drill geometry prepares the osteotomy for the other Zimmer implant families. For Trabecular Metal T3, Eztetic, and original Screw-Vent, the drilling-chart PDF is issued on demand once we confirm the implant diameters and depths your practice actually places.
Tapered Screw-Vent (TSV)
The tapered, aggressive-thread Zimmer line placed into a slightly undersized osteotomy. Drilling chart covers Ø 3.7, Ø 4.1, Ø 4.7, and Ø 6.0 mm implant diameters at Zimmer’s standard lengths.
Trabecular Metal T3
The parallel-walled Zimmer line with a tantalum-scaffold trabecular section. Drilling chart maps the 2-drill protocol to the diameters Zimmer specifies for the TM/T3 osteotomy. Available on request — book a clinical demo below.
Eztetic (Ø 3.1 mm) & original Screw-Vent
Small-diameter Eztetic for narrow ridges, plus the original Screw-Vent for practices still placing older inventory. Drilling chart maps the 2-drill protocol to the reduced-diameter osteotomy Zimmer specifies for each line.
The universal handpiece interface and the tungsten carbide drill material don’t change across Zimmer lines — only the mapping to each line’s specific osteotomy diameters does. That mapping is a chart, not a hardware change. If your practice places a mix of Tapered Screw-Vent and Trabecular Metal T3 (common), one Crown Down kit covers both.
What actually changes on a Zimmer case with Crown Down.
The osteotomy is prepared to the same final diameter and depth Zimmer specifies. Primary stability targets stay the same, implant selection stays the same, restorative components stay the same. What changes is the drill sequence itself: one cortical pass with a tungsten carbide drill matched to the implant diameter, then one trabecular pass with the paired second drill. Two drills per site instead of the pilot → intermediate → pre-final → final sequence in a Zimmer Biomet surgical cassette.
Zimmer TSV steel cassette sequence
- 1. Round bur (crestal marking)
- 2. Pilot drill Ø 2.3 mm
- 3. Twist drill Ø 2.8 / 3.4 mm
- 4. Twist drill Ø 3.8 mm
- 5. Final drill matched to implant diameter
4 to 5 drills, 800 to 1,500 RPM, continuous saline irrigation. Replaced roughly every 20 to 50 osteotomies as the cutting edge dulls. Dense-bone cases add a bone tap step for wide-platform TSV.
Crown Down protocol on the same case
- 1. Cortical drill matched to implant diameter
- 2. Trabecular drill (paired partner)
2 drills, ~250 RPM, no saline dependency. Solid tungsten carbide, engineered for unlimited clinical use. Osteotomy is prepared to the exact final diameter Zimmer specifies for the chosen implant, including TSV’s undersized preparation for aggressive-thread engagement.
Surgeons switching a Zimmer workflow to Crown Down report that the biggest visible change is the surgical assistant’s tray. A standard TSV surgical cassette lays out 5 to 8 sequenced drills with color-coded rings, plus a bone tap for dense-bone cases. The Crown Down tray shows one cortical drill and one trabecular drill for the diameter being placed, plus one set of coded depth stoppers. Assistants report the setup reads at a glance and the drill-handover count drops noticeably per case.
5-year cost: Zimmer Biomet steel kit vs Crown Down.
Zimmer Biomet TSV cassettes are well-engineered and priced in the middle of the implant-system market. What they still carry is depreciation on the drills themselves: the stainless steel edges dull under normal clinical drilling loads and the practice reorders replacement drills to keep the tray in cutting condition. Even at mid-market per-drill replacement pricing, the ongoing spend stacks up quickly across a 5-year window.
| Cost line | Zimmer steel kit | Crown Down |
|---|---|---|
| Initial kit purchase | $2,200 to $4,000 | $3,495 |
| Drill replacement / year | $600 to $1,600 | $0 |
| 5-year total | $5,000 to $12,000 | $3,495 |
Ranges depend on annual case volume and replacement cadence. The dedicated drill cost calculator runs the exact numbers for your case volume and current Zimmer Biomet invoice pricing.
The handpiece question
Same handpiece, same tray, same case flow.
Crown Down drills use a Morse taper 1.5° lock with a 4.0 mm well and an 18 mm shank length. This is the same open-standard interface that Zimmer Biomet’s freehand surgical drills use (and Straumann, Nobel Biocare, and every other major implant system). Any standard contra-angle handpiece on your Zimmer tray already accepts Crown Down drills without an adapter.
No proprietary driver, no color-coded push-button retainer requirement, no reprocessing change. The kit ships, you sterilize it, and it replaces the Zimmer drill sequence on the tray you already have. The broader surgical implant kit page documents the freehand tray configuration; the guided implant drill kit page covers coded 3D depth stoppers for template-based Zimmer cases.

Morse shank, 4.0 mm well, 18 mm length.
Frequently asked questions
Quick answers to questions clinicians ask most about this topic.
See the drilling chart for your Zimmer line.
Download the Tapered Screw-Vent drilling chart, request the Trabecular Metal T3 or Eztetic mapping, book a clinical demo for your specific case volume, or run the 5-year cost math against your current Zimmer Biomet invoice pricing.
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