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Straumann Bone Level Tapered

Also known as: BLT, Straumann BLT, Bone Level Tapered

A bone-level implant from Straumann with an apically tapered, self-cutting body and the CrossFit connection, sharing the prosthetic portfolio of the parallel-walled Straumann Bone Level implant.

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Quick facts

Current statusCurrent. Straumann publishes a Bone Level Tapered Basic Information document revised January 2025.Manufacturer-reported[1]
Implant levelBone level. Straumann states the rough surface extends to the top of the implant and the connection is shifted inwards.Manufacturer-reported[1]
Body geometryCylindrical coronal portion with an apically tapered, self-cutting body. The tapered section measures 3.9 mm at 11° on the ∅ 2.9 mm implant, 5.3 mm at 9° on ∅ 3.3 and ∅ 4.1 mm, and 5.8 mm at 9° on ∅ 4.8 mm.Manufacturer-reported[1]
Thread designThread pitch 0.8 mm, flank lead 20°, thread depth 0.3 mm across the range.Manufacturer-reported[1]
Apex designSelf-cutting tapered apex. Apical core diameter ∅ 0.6, 1.1, 1.8 and 2.3 mm and apical thread diameter ∅ 1.5, 2.0, 2.7 and 3.2 mm for the ∅ 2.9, 3.3, 4.1 and 4.8 mm implants respectively.Manufacturer-reported[1]
MaterialRoxolid with the SLActive or SLA surface, or titanium with an SLA surface. The ∅ 2.9 mm implant is not offered in titanium.Manufacturer-reported[1]
SurfaceSLActive or SLA.Manufacturer-reported[1]
ConnectionCrossFit — a 15° conical-cylindrical connection with four internal grooves. Small CrossFit (SC, ∅ 2.3 mm) on ∅ 2.9 mm implants, Narrow CrossFit (NC, ∅ 2.8 mm) on ∅ 3.3 mm, and Regular CrossFit (RC, ∅ 3.3 mm) on ∅ 4.1 and ∅ 4.8 mm.Manufacturer-reported[1][2]
Platform switchingThe prosthetic platform is narrower than the endosteal diameter throughout the range — ∅ 2.8 mm platform on a ∅ 2.9 mm implant, ∅ 3.1 on ∅ 3.3, ∅ 3.7 on ∅ 4.1 and ∅ 4.4 on ∅ 4.8 — and the connection is shifted inwards.Manufacturer-reported[1]
Available diametersEndosteal diameter ∅ 2.9, 3.3, 4.1 and 4.8 mm.Manufacturer-reported[1]
Available lengths10–14 mm for the ∅ 2.9 mm implant; 8–18 mm for ∅ 3.3, 4.1 and 4.8 mm.Manufacturer-reported[1]

Overview

BLT is best understood as the tapered version of the Straumann Bone Level implant rather than as a separate system. It keeps the CrossFit connection and the whole Bone Level prosthetic portfolio, so the restorative side is unchanged; what differs is the apically tapered, self-cutting body, which Straumann positions for soft bone and fresh extraction sockets where primary stability is harder to achieve. Patients sometimes assume a tapered implant is inherently a better implant, but the taper is a placement characteristic rather than a measure of quality — in dense, healed bone the parallel-walled version behaves perfectly well. The ∅ 2.9 mm variant is a genuinely distinct product: it carries a smaller connection (Small CrossFit) and is restricted to specific narrow incisor sites.

Technology

Clinical positioning

What the manufacturer says this system is designed for. This is not the same thing as independent clinical evidence, which is set out separately below.

Straumann describes the apically tapered, self-cutting design as particularly suitable for soft or very soft bone, or fresh extraction sockets, where primary stability is the priority.Manufacturer-reported

Further detail

Narrow implant optionThe ∅ 2.9 mm SC implant is described as a small-diameter implant for central and lateral incisors in the mandible and lateral incisors in the maxilla, with a minimal ridge width of 5.0 mm.Manufacturer-reported[1]

Clinical evidence

We have not yet completed a system-specific evidence review for Straumann Bone Level Tapered. Insufficient system-specific evidence How we grade evidence

Similar implant systems

Popular comparisons

The clearances below are held by Straumann at brand level and cover its implant range, not Straumann Bone Level Tapered specifically. We show them here because that is the level at which regulators actually issue them.

Regulatory record

Read this before drawing conclusions. A clearance or certificate means a device may legally be sold in a market. It is not a finding that the implant performs well, and it is not a comparison against other implants. In particular, FDA "clearance" is not FDA "approval" — clearance means the FDA accepted the device as substantially equivalent to one already on the market. What these actually mean →

FDA 510(k) clearance30 records

Cleared as substantially equivalent to a predicate device. Not an FDA approval, and not a finding of safety or effectiveness.

NumberDeviceHolderDate
K252168Straumann® BLC Implants - Indication WideningInstitut Straumann AG2026-03-10
K250294Straumann® RidgeFit ImplantsInstitut Straumann AG2025-08-12
K241391Straumann® PURE Ceramic ImplantsInstitut Straumann AG2024-12-10
K234049Straumann® BLC and TLC Implants - Line extensionInstitut Straumann AG2024-03-20
K230108Straumann® BLC and TLC ImplantsInstitut Straumann AG2023-09-14
K223083Straumann SLActive labeling changesInstitut Straumann AG2023-06-22
K211052Straumann RidgeFit ImplantsInstitut Straumann AG2021-07-08
K210855Straumann BLX Implant SystemInstitut Straumann AG2021-06-21
K202942Straumann 4 mm Short ImplantsStraumann USA, LLC2021-02-08
K200586Straumann TLX Implant SystemInstitut Straumann AG2020-08-20
K191256Straumann BLX Ø3.5 mm ImplantsInstitut Straumann AG2019-12-27
K191895Straumann Mini ImplantsInstitut Straumann AG2019-12-09
K190662MRI Compatibility for Existing Straumann Dental Implant SystemsStraumann USA, LLC2019-06-17
K180477Straumann PURE Ceramic Implant SystemInstitut Straumann AG2019-01-04
K181703Straumann BLX Line Extension - Implants, SRAs and Anatomic AbutmentsInstitut Straumann AG2018-12-28
K173961Straumann BLX Implant SystemInstitut Straumann AG2018-06-05
K171784Straumann Dental Implant SystemStraumann USA, LLC2018-01-19
K171769Straumann PURE Ceramic ImplantsStraumann USA, LLC (On Behalf of Institut Straumann Ag)2017-11-14
K153758Straumann Bone Level Tapered ImplantsInstitut Straumann AG2016-03-23
K150938Straumann® Dental Implant System ¿ Roxolid® SLA ImplantsStraumann USA, LLC2015-07-24
K140878STRAUMANN BONE LEVEL TAPERED IMPLANTStraumann USA, LLC2014-08-20
K130222STRAUMANN DENTAL IMPLANT SYSTEMStraumann USA, LLC2013-04-29
K123784STRAUMANN DENTAL IMPLANT SYSTEMStraumann USA, LLC2013-04-10
K111357STRAUMANN NARROW NECK CROSSFIT (NNC) 03.3MM DENTAL IMPLANT SYSTEMStraumann USA2011-10-03
K093027STRAUMANN RC TEMPORARY ABUTMENTSStraumann USA2010-02-12
K083550STRAUMANN DENTAL IMPLANT SYSTEMStraumann USA2009-02-26
K081419STRAUMANN DENTAL IMPLANT SYSTEMInstitut Straumann AG2009-02-20
K060958STRAUMANN NARROW NECK IMPLANTSStraumann USA2006-08-24
K061176STRAUMANN DENTAL IMPLANTSInstitut Straumann AG2006-08-11
K033984STRAUMANN DENTAL IMPLANT SYSTEMInstitut Straumann AG2004-06-30

Other1 record

Of 100 records we inspected, 93 are supplied sterile, 7 are supplied non-sterile and 0 do not state it. MRI safety labelling: Labeling does not contain MRI Safety Information (52); MR Conditional (48). A UDI listing records what the manufacturer declared about the device; it is not a clearance or an approval.

NumberDeviceHolderDate
1219 device records—Straumann—

Clearance records for Straumann were retrieved from the issuing authority's own database, not from the manufacturer's marketing material. We attribute a clearance to a brand only when the filing holder belongs to that brand's corporate family — third-party clearances for compatible components are excluded, because they belong to the company that made the component, not to Straumann.

Sources

Numbers match the citations beside each claim above.

Primary sources

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