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Comparison

Straumann vs Astra Tech Implant System

Astra Tech is Dentsply Sirona's premium implant line, with the EV family. Both are long-established premium systems.

What actually differs
  • Both premium systems with long histories.
  • Different materials, surfaces and connections.

FeatureStraumann BLXPrimeTaper EV
Astra Tech / Dentsply Sirona
Design
Material Ti-13Zr (Roxolid®)1CP titanium grade 42
Surface SLActive® / SLA®3Blasted and acid-etched2
Connection TorcFit™3EV conical connection2
Diameters Ø3.5 – 6.5 mm3Ø3.6, 4.2, 4.8, 5.4 mm2
FDA implant 510(k)s (brand) 69, since 1990421, since 19945

Highlighted rows differ. A design difference is not evidence that one implant gives better results for you. No scores and no winner. The choice is a clinical and restorative decision.

Clinical review pending. Facts on this page are checked against the sources listed below (regulatory records, manufacturer documents, peer-reviewed research). A named clinician will review it before we call it medically reviewed.
Last updated 28 Sep 2026 · How we review

Sources

  1. Regulatory recordFDA 510(k) K173961 — Straumann BLX Implant System (510(k) summary) — U.S. Food and Drug Administration, 2018-06-05. Accessed 28 Sep 2026.
  2. Regulatory recordFDA 510(k) K210610 — PrimeTaper EV Dental Implant (Dentsply Sirona) — U.S. Food and Drug Administration, 2021-08-27. Accessed 28 Sep 2026.
  3. Manufacturer documentationStraumann® BLX Implant System — Basic Information (702115) — Institut Straumann AG, 2024-11. Accessed 28 Sep 2026.
  4. Regulatory recordopenFDA: 510(k) clearances with applicant 'Straumann', product code DZE (69 records, 1990–2026) — U.S. Food and Drug Administration. Accessed 28 Sep 2026.
  5. Regulatory recordopenFDA: Astra Tech / Dentsply Sirona EV implant 510(k)s (21 records since 1994) — U.S. Food and Drug Administration (openFDA). Accessed 28 Sep 2026.

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