Straumann® Bone Level Cylindrical

Straumann® BLC

SLActive® · Roxolid® · CrossFit® Connection

The Bone Level Cylindrical implant combines a cylindrical body design with proven CrossFit® connection and SLActive® surface — achieving predictable osseointegration in 3–4 weeks. Ideal for standardized protocols and guided surgery workflows. Built from Roxolid® titanium-zirconium alloy.

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Pricing

per implant unit

Roxolid® TiZr Alloy

SLActive® or SLA® Surface

CrossFit® Connection (NC / RC)

Diameters: Ø 2.9 – 4.8 mm

Lengths: 8 – 18 mm

Variobase® Prosthetics

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Advanced Technology

Proprietary Innovations

Every element of the BLC is engineered for superior clinical outcomes — from alloy composition to surface chemistry.

SLActive® Surface Hydrophilic

SLActive® is a hydrophilic evolution of the classic SLA® surface. The implant undergoes sandblasting with large-grit corundum followed by acid-etching, then is stored in isotonic NaCl solution to preserve surface reactivity. The result is a contact angle of <5° — almost perfectly wettable — compared to ~140° for conventional SLA. This dramatically accelerates protein adsorption and cell attachment, compressing the osseointegration timeline to 3–4 weeks versus 6–8 weeks with standard SLA.

Roxolid® Alloy TiZr

Roxolid® is Straumann's proprietary titanium-zirconium (TiZr) alloy, containing approximately 13–17% zirconium. This binary alloy achieves 15% greater tensile strength than commercially pure titanium (Grade 4), without compromising biocompatibility or osseointegration. The enhanced mechanical properties allow clinically confident use at narrow diameters (Ø 2.9–3.3 mm) in sites with reduced bone volume, minimizing the need for augmentation.

Key Advantages

Clinical Benefits

Four defining features that make the BLC the implant of choice for demanding bone situations.

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Tapered Apex Design

The progressive taper at the implant body creates a compression force in the surrounding bone during insertion, maximizing primary stability — particularly important in soft (Type III–IV) bone and fresh extraction sockets.

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Accelerated Osseointegration

SLActive® surface reduces healing time to 3–4 weeks versus the traditional 6–8 weeks, supporting earlier loading protocols and reducing overall treatment time for patients.

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CrossFit® Connection

The conical CrossFit® internal connection provides a 15° Morse taper seal. Available in NC (Narrow CrossFit, Ø3.3 mm implants) and RC (Regular CrossFit, Ø4.1 and Ø4.8 mm), offering extensive prosthetic versatility.

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Expanded Diameter Range

From Ø 2.9 mm SC to Ø 4.8 mm RC — the widest range in the BL family — enabling treatment of narrow ridges, laterals, and mandibular incisors without compromising mechanical integrity, thanks to Roxolid® alloy.

Technical Specifications

Product Specifications

Complete clinical and material specifications for the Straumann BLC system.

Parameter	Specification
Full Name	Straumann® Bone Level Cylindrical (BLC) Implant
Material	Roxolid® — Titanium-Zirconium (TiZr) alloy, ~13–17% Zr
Surface Options	SLActive® (hydrophilic, primary) · SLA® (standard, also available)
Connection Type	CrossFit® internal conical (15° Morse taper)
Connection Variants	SC (Small CrossFit, Ø2.9mm) · NC (Narrow CrossFit, Ø3.3mm) · RC (Regular CrossFit, Ø4.1 & Ø4.8mm)
Available Diameters	Ø 2.9 mm · Ø 3.3 mm · Ø 4.1 mm · Ø 4.8 mm
Available Lengths	6 · 8 · 10 · 12 · 14 · 16 · 18 mm (varies by diameter)
Design	Bone Level Cylindrical — tapered body, self-tapping, apical flutes
Osseointegration Time	3–4 weeks (SLActive®) · 6–8 weeks (SLA®)
Prosthetic System	Variobase® Ti bases · Anatomic abutments · Healing abutments · Impression copings
Indications	Single tooth · Partial edentulism · Full arch · Narrow ridges · Immediate placement
Sterilization	Sterile, single-use · Gamma-irradiated

Size Matrix

Available Configurations

All diameter and length combinations available for the Straumann BLC. Select your configuration and request a quote.

Ø 2.9 mm SC — Small CrossFit 3 lengths available

10 mm

12 mm

14 mm

Ø 3.3 mm NC — Narrow CrossFit 6 lengths available

8 mm

10 mm

12 mm

14 mm

16 mm

18 mm

Ø 4.1 mm RC — Regular CrossFit 6 lengths available

8 mm

10 mm

12 mm

14 mm

16 mm

18 mm

Ø 4.8 mm RC — Regular CrossFit 6 lengths available

8 mm

10 mm

12 mm

14 mm

16 mm

18 mm

Prosthetic Options

Compatible Components

The BLC CrossFit® connection is compatible with a comprehensive prosthetic portfolio for all clinical scenarios.

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Variobase® Ti Bases

Universal titanium bases for CAD/CAM crowns, bridges, and hybrid restorations. Available in NC and RC connection heights.

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Anatomic Abutments

Pre-angled and straight anatomic abutments for cemented or screw-retained restorations. Customizable emergence profile.

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Healing Abutments

Contoured healing abutments that shape ideal peri-implant soft tissue architecture during the osseointegration phase.

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Impression Copings

Open-tray and closed-tray impression copings for conventional and digital workflows, compatible with major laboratory scanners.

Straumann® BLC

Proprietary Innovations

Clinical Benefits

Product Specifications

Available Configurations

Compatible Components

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