Seating a Straight or Pre-angled Abutment for Final Placement
Whether you are working with an implant that has an octagon, spline, or a hex (either internal or external), here is an easy method to correctly align straight or pre-angled abutments for final seating and crown cementation. On the model or master cast, use a bur or marking instrument to score the top of the abutment on the buccal side. Upon removal of the marked abutment from the model, it will be easy to re-align the abutment chairside, by aligning the mark buccally to the patient. Note: The Three-Piece Angled Abutments with the connector fittings for Screw-Vent, Tapered Screw-Vent, Advent, and Taper-Lock implants offer 24 positions. The plastic seating handle on the hex connector has a 20° angle so it can be used as a guide to determine the optimum hex position seat for the angled head. These components should definitely be marked or scored by the laboratory to facilitate the re-assembly in the correct position chairside, by the clinician.
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