Implant system · Straumann

Straumann BLX

VerifiedLast verified 27 Sept 2026 · data version 1

Quick answer

Straumann BLX is a dental implant system from Straumann (Institut Straumann AG, part of Straumann Group). It is made of titanium–13 zirconium alloy with a SLActive® (hydrophilic) or SLA® surface and uses a torcfit™ connection. We link 5 FDA 510(k) records to this system. Open any value below to see its source.

Brand and system alone do not decide how an implant does. Bone, gum health, smoking, the surgeon's skill, the restoration and maintenance all matter. How to compare implant systems →

Manufacturer

Brand
Straumann
Manufacturer (regulatory name)
Institut Straumann AG
Corporate group
Straumann Group
Headquarters country
Switzerland (headquarters, not necessarily the place of manufacture)
Status
Currently marketed
Also known as
BLX, Straumann BLX, BLX Roxolid SLActive

Implant type

Implant levelWhere the top of the implant sits: level with the bone, or higher up in the gum.
Bone level
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026
Body shapeThe overall shape of the screw that goes into the jaw.
Fully tapered body
Regulatory record1 source · verified 27 Sept 2026

Material & surface

MaterialWhat the implant screw itself is made of.
Titanium–13 zirconium alloy (Roxolid®)
Regulatory recordManufacturer documentation2 sources · verified 27 Sept 2026
Material gradeNot verified
SurfaceHow the outer surface is treated so bone can grow onto it.
SLActive® (hydrophilic) or SLA®
Manufacturer-stated
The 2024 technical document lists both SLActive and SLA article numbers. Market availability of each surface varies by country.
Manufacturer documentationRegulatory record2 sources · verified 27 Sept 2026

Connection

ConnectionHow the visible tooth part (abutment) attaches to the implant.
TorcFit™ — conical connection with Torx-style engaging feature
Manufacturer documentationRegulatory record2 sources · verified 27 Sept 2026
Connection angle
7° conical prosthetic connection (plus 22.5° shoulder on WB)
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026
Anti-rotation index
6 positions (Torx-style)
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026
Prosthetic platforms
RB (Regular Base, neck Ø3.5 mm) and WB (Wide Base, neck Ø4.5 mm); identical inner connection for all diameters
Manufacturer documentationRegulatory record2 sources · verified 27 Sept 2026

Size range

DiametersHow thick the implant is. Your dentist chooses based on your bone.
Ø3.5, 3.75, 4.0, 4.5, 5.0, 5.5, 6.5 mm (endosteal)
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026
LengthsHow long the implant is. Shorter ones are used where there is less bone.
6, 8, 10, 12, 14, 16, 18 mm
Manufacturer-stated
Not every length exists in every diameter: 6 mm is not listed for Ø3.5; 18 mm is listed up to Ø5.0 only.
Manufacturer documentation1 source · verified 27 Sept 2026

Macrogeometry · technical detail for dentists

Thread design
Self-cutting threads; pitch 1.7–3.1 mm depending on diameter and length
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026
Apex
2 or 4 apical cutting edges depending on diameter
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026
Neck / collar
Neck height 1.0–2.0 mm with micro-threads (0.5–1.0 mm), varying by length
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026

Indications

Immediate function (labeling)Whether a temporary tooth may be fitted on the same day, according to official labeling.
What the regulatory labeling permits. It is not evidence that immediate loading works better with this system.
US labeling: immediate function on single-tooth applications when good primary stability and appropriate occlusal loading are achieved
Labeling wording, not evidence of clinical superiority.
Regulatory record1 source · verified 27 Sept 2026
Restrictions & cautions
Manufacturer advises particular care placing Ø3.5 mm implants in molar or other high-load situations
Manufacturer-stated
Manufacturer documentation1 source · verified 27 Sept 2026

Surgical protocol · technical detail for dentists

Max insertion torqueNot verified

Regulatory records

RecordDevice name (as filed)ApplicantDecisionDate
K173961Straumann BLX Implant SystemInstitut Straumann AGSubstantially Equivalent5 Jun 2018
K181703Straumann BLX Line Extension - Implants, SRAs and Anatomic AbutmentsInstitut Straumann AGSubstantially Equivalent28 Dec 2018
K191256Straumann BLX Ø3.5 mm ImplantsInstitut Straumann AGSubstantially Equivalent27 Dec 2019
K210855Straumann BLX Implant SystemInstitut Straumann AGSubstantially Equivalent21 Jun 2021
K212533BLX WB Ø5.0 (L18), Ø5.5 and Ø6.5 mm (L14 and L16) ImplantsInstitut Straumann AGSubstantially Equivalent28 Jan 2022
GUDID 07630031743275BLX Implant, Ø 3.5mm RB, SLActive® 8mm, Roxolid®Institut Straumann AGPremarket submission K191256—

FDA clearance means the FDA found the device substantially equivalent to a legally marketed device. It is not a ranking of quality or clinical results. EU (EUDAMED) records will be added.

Safety notices & recalls

No FDA recall record found.

openFDA recall search “product_description:BLX” run on 27 Sept 2026: 0 result(s). No result is not proof that no recall or field safety notice exists in any market.

Clinical evidence

We have not yet linked any system-specific studies to Straumann BLX. Evidence on materials, connections and loading protocols that applies across systems is in the evidence explorer. We don't quote single-study survival rates as brand scores.

Compare BLX with…

Sources

  1. Straumann® BLX Implant System — Basic Information (Technical handling information), document 702115 — Institut Straumann AG, 2024-11-20. Accessed 27 Sept 2026.
  2. FDA 510(k) K173961 — Straumann BLX Implant System (510(k) summary) — U.S. Food and Drug Administration, 2018-06-05. Accessed 27 Sept 2026.
  3. openFDA Device 510(k) API — U.S. Food and Drug Administration. Accessed 27 Sept 2026.
  4. AccessGUDID device record 07630031743275 — Straumann BLX Ø3.5 mm Implants — FDA / NLM AccessGUDID. Accessed 27 Sept 2026.

Straumann®, BLX®, Roxolid®, SLActive®, TorcFit™ are trademarks of their respective owner. Found an error? Email info@dentalimplantbrands.com.

Educational information only. Implant-system selection requires assessment by a qualified dental professional.

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