Dentsply Sirona (Astra Tech) vs Straumann: Premium Implant Head-to-Head
Dentsply Sirona's Astra Tech implant system and Straumann's BLX/BLT lines represent the highest tier of implant engineering. Both are premium European systems with decades of clinical data and some of the highest success rates in the industry.
Astra Tech's defining feature is the OsseoSpeed surface — a fluoride-modified nanostructured titanium that promotes early bone formation. Combined with the MicroThread design at the implant neck, Astra Tech implants are clinically proven to preserve marginal bone better than virtually any competitor, making them the top choice for aesthetically demanding anterior cases.
Straumann's SLActive surface achieves rapid osseointegration through factory-conditioned hydrophilicity, while Roxolid alloy enables narrower implants that can avoid bone grafting in ridge-deficient sites.
The clinical evidence for both systems is exceptionally strong. Astra Tech has over 900 peer-reviewed publications; Straumann has over 800. Both have 20+ year longitudinal data showing sustained marginal bone levels.
Key Differences at a Glance
Full Specification Comparison
| Specification | Dentsply Sirona (Astra Tech) | Straumann |
|---|---|---|
| Average Cost per Implant | $1,850 | $2,000 |
| Clinical Success Rate | 98.0% | 98.8% |
| Tier | Premium | Premium |
| Origin | USA / Germany | Switzerland |
| Material Type | Grade 4 Titanium | Grade 4 Titanium / Roxolid (Ti-Zr Alloy) |
| Surface Technology | OsseoSpeed® | SLActive® |
| FDA Approval | FDA 510(k) Cleared — Astra Tech Implant System EV | FDA 510(k) Cleared — Multiple implant systems |
| Warranty | Lifetime | Lifetime |
| Year Founded | 1985 | 1954 |
| Headquarters | Charlotte, North Carolina, USA / Mölndal, Sweden | Basel, Switzerland |
Technology Comparison
Dentsply Sirona (Astra Tech) Technology
Surface: OsseoSpeed® — Fluoride-modified nanostructured surface
Material: Grade 4 Titanium
Prosthetics: One-position placement, Cement-retained, Screw-retained, Atlantis® patient-specific
Straumann Technology
Surface: SLActive® — Chemically modified hydrophilic surface
Material: Grade 4 Titanium / Roxolid (Ti-Zr Alloy)
Prosthetics: Cement-retained, Screw-retained, Overdenture, All-on-X
Who Is Each Brand Best For?
Dentsply Sirona (Astra Tech)
Patients prioritizing long-term aesthetic outcomes with front teeth replacements, those concerned about bone loss around the implant neck (peri-implantitis risk), and clinicians who value predictable marginal bone maintenance. The Astra Tech system is the top choice for prosthodontists focused on gingival aesthetics.
Straumann
Patients requiring the highest clinical reliability, those with low bone density, complex anterior cases where aesthetics are critical, and full-arch restorations. Straumann is the preferred choice for periodontists and oral surgeons managing difficult anatomical situations.
Our Verdict
Choose Dentsply Sirona (Astra Tech) if you prioritize long-term marginal bone preservation, are receiving an anterior implant where gingival aesthetics are critical, or your clinician values the MicroThread neck design. Choose Straumann if you need the fastest possible osseointegration, have a narrow ridge requiring smaller-diameter implants, or want the Roxolid alloy advantage.