Crown Down for BioHorizons. The Compatible Implant Drill Kit.
You place Tapered Internal, Tapered Pro, or 3.4 Prevail in general-practice implant cases. Your BioHorizons drills wear out on the same schedule as every steel kit, and a BioHorizons surgical cassette carries an ongoing drill replacement cost even at the brand's more accessible per-drill pricing. Crown Down is a tungsten carbide implant drill kit that maps to BioHorizons' published osteotomy specifications, uses two drills per site instead of three to five, and doesn't require scheduled replacement.
Which BioHorizons lines does the kit cover?
Crown Down publishes a validated drilling chart for the Tapered Internal line, and the same universal drill geometry prepares the osteotomy for the other BioHorizons implant families. For Tapered Pro, Tapered Plus, and 3.4 Prevail, the drilling-chart PDF is issued on demand once we confirm the implant diameters and depths your practice actually places.
Tapered Internal (Laser-Lok)
The BioHorizons flagship tapered implant with the Laser-Lok microchannel collar for connective-tissue adherence. Drilling chart covers Ø 3.8, Ø 4.6, and Ø 5.8 mm implant diameters at BioHorizons' standard lengths.
Tapered Pro & Tapered Plus
Tapered Pro is BioHorizons' current-generation aggressive-thread tapered line; Tapered Plus is the earlier-generation tapered implant still placed on older restorations. Drilling chart maps the 2-drill protocol to the diameters BioHorizons specifies for each line. Available on request — book a clinical demo below.
3.4 Prevail (small-diameter)
BioHorizons’ small-diameter option for narrow ridges and site-conservation cases. Drilling chart maps the 2-drill protocol to the reduced-diameter osteotomy Prevail specifies.
The universal handpiece interface and the tungsten carbide drill material don’t change across BioHorizons 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 Internal and 3.4 Prevail (common in ridge-preservation workflows), one Crown Down kit covers both.
What actually changes on a BioHorizons case with Crown Down.
The osteotomy is prepared to the same final diameter and depth BioHorizons specifies. Primary stability targets stay the same, implant selection stays the same, restorative components stay the same. The Laser-Lok microchannel collar on the abutment side of the implant is unaffected because it’s a surface feature, not a drilling feature. 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 → 2.5 mm → intermediate → final → bone-tap sequence in a BioHorizons surgical cassette.
BioHorizons Tapered Internal steel cassette
- 1. Round bur (crestal marking)
- 2. Pilot Drill Ø 2.0 mm
- 3. Twist Drill Ø 2.5 mm
- 4. Intermediate twist drills (as diameter increases)
- 5. Final Twist Drill matched to implant diameter
- 6. Bone Tap (dense-bone cases only)
3 to 5 drills per site, 1,200 to 2,000 RPM, continuous saline irrigation. Replaced roughly every 20 to 50 osteotomies as the cutting edge dulls. Bone tap adds a step in D1 or dense D2 bone.
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 BioHorizons specifies for the chosen Tapered Internal implant. Dense-bone management moves from a separate bone-tap step to the two-material cortical/trabecular geometry.
Surgeons switching a BioHorizons workflow to Crown Down report that the biggest visible change is on the tray. A standard BioHorizons surgical cassette lays out 6 to 10 sequenced drills across the Tapered Internal diameter range, plus optional bone tap. The Crown Down tray shows one cortical drill and one trabecular drill for the diameter being placed, plus one set of coded depth stoppers. For a general-practice implant workflow (which is where BioHorizons is strongest by market share), the reduction in drill-handovers per case is noticeable immediately.
5-year cost: BioHorizons steel kit vs Crown Down.
BioHorizons is positioned as a more-accessible alternative to Straumann, Nobel Biocare, and Astra Tech, and the per-drill replacement pricing reflects that (roughly $90 to $150 per drill). The drills still dull on the same clinical cadence, though, and general-practice implant volumes have caught up to specialist volumes in many markets. The 5-year replacement math tightens even at BioHorizons’ more accessible pricing.
| Cost line | BioHorizons steel kit | Crown Down |
|---|---|---|
| Initial kit purchase | $1,800 to $3,200 | $3,495 |
| Drill replacement / year | $500 to $1,200 | $0 |
| 5-year total | $4,000 to $9,000 | $3,495 |
Ranges depend on annual case volume and replacement cadence. BioHorizons’ break-even against Crown Down typically lands between year 3 and year 5 for a general-practice implant workflow. The dedicated drill cost calculator runs the exact numbers for your case volume and current BioHorizons 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 BioHorizons freehand surgical drills use (and Straumann, Nobel Biocare, Zimmer Biomet, Astra Tech, and every other major implant system). Any standard contra-angle handpiece on your BioHorizons 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 BioHorizons 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 BioHorizons 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 BioHorizons line.
Download the Tapered Internal drilling chart, request the Tapered Pro or 3.4 Prevail mapping, book a clinical demo for your specific case volume, or run the 5-year cost math against your current BioHorizons invoice pricing.
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