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2.0mm Well Analogs & Attachments

Bicon Compatible 3.5mm & 4.0mmØ Implant Attachments (2.0mm Well)

 

How do I select collar height, profile diameter, and prep height for a Bicon-compatible Post Abutment?

Post Size — First Decision

Post Size Appropriate Use
2.0mm post Anterior teeth ONLY
3.0mm post All positions; all posterior teeth; implant diameters 4.5–6.0mm

Collar Height (vertical distance from implant platform to the shoulder margin)

Bicon implants are typically placed at or slightly below the bone crest. The collar height must bridge from the implant platform through the bone and soft tissue to the desired margin location.

  1. Probe from the gingival crest down to the implant platform at both the buccal and lingual aspects.
  2. Use the greater of the two measurements — the buccal is usually deeper.
  3. Subtract ½ to 1mm to place the restorative margin slightly subgingival.
  4. Choose the closest available collar height in the Titan Bicon catalog.

If buccal and lingual depths differ significantly and a scalloped margin is desired, the shoulder can be contoured with a carbide bur to follow the gingival architecture.

Pro tip: The most accurate collar height comes from a tissue model impression taken with a transfer coping before abutment selection — the cast replicates tissue contour exactly, letting the lab choose and modify from a physical model rather than relying on probing measurements alone.

Profile (Emergence) Diameter (abutment width at the gingival exit point)

Because the Bicon system has no rotational anti-rotation feature, profile diameter can be optimized purely for tooth morphology and tissue contour — a significant esthetic advantage over hex-indexed systems.

  1. Measure available space between adjacent root surfaces at the edentulous site.
  2. Subtract 2mm — minimum 1mm clearance per side between the abutment flare and adjacent root.
  3. Match to the natural tooth type:
Tooth Type Typical Profile Diameter
Lower incisor ~3.5mm
Upper lateral / lower premolar ~4.0–4.5mm
Upper central / upper premolar ~5.0mm
Molars ~5.5–6.0mm

A profile too narrow collapses the tissue and creates black triangles; too wide blanches the tissue and risks recession and hygiene problems.

Prep Height (length of the restorative chimney above the shoulder)

Available: 4.0mm, 5.5mm, and 7.0mm.

  1. Measure from the gingival crest to the opposing occlusal surface.
  2. Subtract 3mm — minimum crown material thickness required.
  3. Choose the prep height that does not exceed this value.

If inter-occlusal space is limited, choose the shorter prep height and review space management with the restorative team before placing the abutment.

Quick Reference — Shouldered vs. Non-Shouldered

Clinical Situation Shouldered Non-Shouldered
Defined restorative margin needed ✓ Preferred —
Cement retention and retrievability ✓ Preferred —
Screw-retained crown option ✓ (chimney thread) Lab-dependent
Fully custom emergence contour — ✓ Preferred
Extreme tissue depth or atypical anatomy — ✓ Preferred
Maximum lab efficiency ✓ Faster Requires more time
CAD/CAM indexed workflow ✓ (Octagon Base version) Not indexed

Important: 2.0mm post abutments are for anterior positions only.

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Titan Implants carries compatible restorative components for 20+ active and legacy implant systems — including discontinued brands. If you don't see your system, call us.

20+ systems Questions? Call us: 1-201-439-0470