Replacement of a Single Unit Molar Crown Hero
March 13, 2020
Dr. Gunnar Reich, DDS

Clinical Case: Replacement of a Single-unit Molar Crown

Monophase impression using 3M™ Impregum™ Penta™ Super Quick Polyether Impression Material.

About the Case

Patient with a fractured crown on second upper molar that needed replacement. Impression was made with 3M™ Impregum™ Penta™ Super Quick Medium Body Polyether Impression Material in the monophase technique.

Initial situation

Initial situation: Second upper molar needs a crown after endodontic treatment. Insufficient filling on adjacent tooth needs to be renewed.

Prep for impression taking

In order to prepare the situation for impression taking, 3M™ Astringent Retraction Paste was used for moisture management.

Monophase impression technique

Impression was taken in the monophase technique using 3M™ Impregum™ Penta™ Super Quick Medium Body Polyether Impression Material. Syringing of the impression material around preparation with the 3M™ Penta™ Elastomer Syringe while the tray was filled simultaneously.

Final impression

Final impression made with a single-use 3M™ Impression Tray. Due to its self-retentive fleece strip a separate tray adhesive is not required. The impression shows crisp details and a clear circumferential mapping of the preparation line.

Final situation

Final situation: Monolithic 3M™ Lava™ Esthetic Fluorescent Full-Contour Zirconia crown on the second molar and a renewed filling on the first molar.

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