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3i certain compatible abutment selection guide

Biomet 3i Certain Internal Hex Compatible Abutment Selection Guide

A step-by-step guide to selecting the correct Titan compatible abutment for T3 Certain, Osseotite Certain, Full Osseotite Certain, and Nanotite Certain implants. All share the same internal hex prosthetic connection — the color-coded platform is the only variable that determines which components you need. This is a different connection from the 3i external hex; components are not interchangeable.

“Certain” or not? The Certain connection is the 3i internal hex with the 4-point anti-rotational design. If your implant is a classic 3i external hex, use the external hex guide instead.

Watch the terminology trap: “Osseotite” refers to the implant’s surface, found on BOTH the 3i external hex and the 3i Certain internal connection. A “3i Osseotite” implant is external hex; an “Osseotite Certain” is internal. Confirm your connection before ordering — this is the most common 3i ordering error.

STEP 1: IDENTIFY YOUR PLATFORM BY COLOR

The 3i Certain system uses four color-coded platforms. The platform color is documented in the surgical record or on the implant packaging.

Platform Color Seating Surface Implant Body Ø Implant Lines
Purple 3.4mm 3.25mm T3 Certain, Osseotite Certain, Full Osseotite Certain, Nanotite Certain
Blue 4.1mm 4.0mm, 4.0/3.0mm (platform-switched) T3 Certain, Osseotite Certain, Full Osseotite Certain, Nanotite Certain
Yellow 5.0mm 5.0mm, 5.0/4.0mm (platform-switched) T3 Certain, Osseotite Certain, Full Osseotite Certain, Nanotite Certain
Green 6.0mm 6.0mm, 6.0/5.0mm (platform-switched) T3 Certain, Osseotite Certain

Platform-switched Certain implants (4/3, 5/4, 6/5): The second number is the seating surface. A “5/4” Certain implant uses Yellow (5.0mm) packaging but seats on the Blue (4.1mm) platform — use 4.1mm components. Always confirm the seating surface from the surgical record, not the implant body diameter alone.

The 3.25 and 3.4 designations refer to the same purple platform and are used interchangeably — components fit both.

Step 2: Choose Your Abutment Type

Titan manufactures multiple abutment types for the 3i Certain internal hex:

  • Straight Locking Abutment: For cement-retained single-unit crowns. Internal hex engages the implant for anti-rotation. Multiple collar heights and emergence profiles.
  • Wide Emergence Profile Modifiable Abutment (Titan exclusive for Certain): A preparable abutment with a wide emergence profile that re-shapes to the desired form — the middle ground between a stock abutment and a fully custom-milled one. For cases requiring custom emergence or angulation correction.
  • Castable Abutment (Hex & Non-Hex): Burnout-compatible for custom cast frameworks. Hex version for engaging single-unit, non-hex for multi-unit or splinted restorations.
  • Temporary Abutment: For provisional restorations during healing. Textured surface for acrylic retention.
  • Ball Head Abutment: For overdenture retention using O-ring housings.

Step 3: Select Emergence Profile & Collar Height

For straight locking and modifiable abutments:

  • Emergence profile diameter: Match to the cervical diameter of the tooth being replaced. The abutment should support the interdental papillae without compressing them.
  • Collar height: Measure tissue depth from the implant platform to the gingival crest. Select a collar height that places the shoulder at or just below the gingival margin.

Full measurement method in our abutment sizing guide.

Titan offers more collar height and profile diameter options for the Certain system than the OEM catalog, including options for the purple (3.4mm) and green (6.0mm) platforms where OEM selection is limited.

Step 4: Confirm Seating Before Torquing

Before torquing the abutment screw, verify that the component is fully seated into the implant well. The internal hex should be fully engaged with no gap between the abutment base and the implant platform. Use Titan’s Implant Locator Pin to guide the abutment into the implant for parallel, accurate placement — especially useful in posterior sites with limited visibility.

Frequently Asked Questions

Are 3.25 and 3.4 Certain platforms the same?

Yes — the 3.25 and 3.4 designations refer to the same purple platform, and components are interchangeable between them.

Do Certain components fit T3 implants?

Yes — T3 Certain uses the same Certain internal connection as Osseotite Certain, Full Osseotite Certain, and Nanotite Certain.

Are Certain and 3i external hex abutments interchangeable?

No. The Certain internal hex and the 3i external hex are completely different connections. Components cannot be swapped between them.

Quick Reference

Decision Determined By Key Rule
Platform Color code from surgical record Purple 3.4mm, Blue 4.1mm, Yellow 5.0mm, Green 6.0mm. Platform-switched: use the second number.
Abutment Type Restoration design Straight locking for cement-retained. Modifiable for custom prep. Castable hex for engaging, non-hex for splinted.
Profile & Collar Tooth being replaced & tissue depth Profile = cervical diameter. Collar = tissue depth, shoulder at gingival margin.
Seating Check Visual and tactile confirmation Verify full hex engagement and no gap at the platform before torquing. Use the Locator Pin for guided placement.

Browse all 3i Certain compatible components in our 3i Certain Internal Hex category. Questions? Call 1-201-439-0470.

Have the OEM part number? Call 1-201-439-0470 — we’ll cross-reference it to the Titan equivalent before you order.

Disclaimer: Biomet 3i®, Certain®, T3®, Osseotite®, Nanotite®, and ZimVie® are registered trademarks of ZimVie Inc. and/or its affiliates. Titan Implants, Inc. is an independent manufacturer of compatible prosthetic components. This guide is for informational purposes and does not constitute clinical advice. Titan Implants is not sponsored by, affiliated with, or endorsed by ZimVie Inc.

More selection guides: Engaging vs. Non-Engaging · Abutment Sizing · Implant Locator Pin · One Driver Advantage · 3i External Hex Guide · All Resources