A one-piece Cement-On Crown (COC) abutment for cement-retained single crowns and bridges on the Keystone (Lifecore) Stage-1 WDS 6.5mm wide diameter connection, machined to Titan's hexed-collar design. The abutment is torqued directly into the implant — there is no separate fixation screw. The wide connection supports a broad emergence profile in molar sites.

Specifications

• Compatibility: Keystone (Lifecore) Stage-1, WDS 6.5mm wide diameter connection
• Component: one-piece Cement-On Crown (COC) abutment, Titan Design hexed collar
• Material: Grade 23 ELI titanium (Ti-6Al-4V ELI), ASTM F136
• Seating: torqued directly into the implant to 30Ncm — no fixation screw
• Indications: cement-retained single crowns and bridges, anterior and posterior
• Manufactured by Titan Implants, Inc., Bergenfield, New Jersey, USA

Transfer system

The implant connection is a non-engaging circular geometry, so there are no implant-level analogs or impression copings for this platform. The case is restored at abutment level: torque in the Cement-On Crown (COC) abutment, then take an impression using the Titan Design single-piece transfer coping. A closed-tray polyether impression is the intended technique. Matching analogs and waxing copings complete the working model.

This is a discontinued implant system. Titan machines components for platforms no longer supported by their original manufacturers. If you are matching parts to an existing case and are unsure of the connection, send the implant reference number or the surgical record and we will identify it before you order.

Required tools

• Titan Design 6.5mm Socket Wrench for Stage-1 WDS (TN-65SW-LC) — required for seating. Titan Design only. Sold separately.
• Straumann Torque Wrench Adapter (IS-TWSHA) or Nobel Biocare Torque Wrench Adapter (NB-TWSHA) — if seating with an original manufacturer torque wrench.

Seat to 30Ncm using a torque wrench.

Threaded top receptacle

The occlusal surface carries an internally threaded receptacle (M1.4 on the 4.0mm prep height). It accepts the enclosed inserting screw, which carries the abutment to the implant in restricted access, and it is the attachment point for converting the case to a fixed-detachable framework.

Hexed collar or flat side

Titan makes this Cement-On Crown (COC) abutment in two collar geometries. Both are one piece, both seat on the same implant connection, and both carry circumferential ring grooves for cement retention. This SKU is the Titan Design hexed collar, which indexes the crown at six orientations. The flat-side version (ITI-WNISA-LC) carries a single milled flat and indexes at one, matching the original manufacturer geometry.

Choose the flat side when matching an existing case or when flat-side lab components are already on hand. Choose the hexed collar when the case calls for multiple seating orientations. Plastic sleeves, provisional copings, transfer copings, and analogs are not interchangeable between the two.

Technique video

Compatibility: Titan Design is a Titan Implants, Inc. design intended for use on the Keystone (Lifecore) Stage-1 WDS 6.5mm connection, machined to the referenced system's original prosthetic specifications at the implant interface. Titan Implants, Inc. is an independent manufacturer. Lifecore, Stage-1, RDS and WDS are registered trademarks of Keystone Dental; Titan Implants is not affiliated with, sponsored by, or endorsed by Keystone Dental.

Order by 4:00 PM ET, Monday–Friday, and your order ships the same day from our Bergenfield, New Jersey facility.