The ultimate test for impression materials

The ultimate test for impression materials

With a rapidly aging population and increasing aesthetic demands, dental implants are fast becoming the restoration method of choice for permanent tooth replacement.

For the growing number of dentists who are incorporating implants into their practice, 3M ESPE has developed products that are said to simplify procedures to achieve outstanding functional and aesthetic results.

Implant impressions may well be the ultimate test for impression materials. In these demanding circumstances, important characteristics such as accuracy, dimensional stability and rigidity all help to produce a long lasting and perfectly fitting restoration.

According to 3M ESPE, its Impregum Penta Polyether Impression Materials offer all clinically relevant properties for optimum implant-supporting prosthetic restorations.

The implant treatment plan can only be as accurate as the impression.  The product is said to help you to:

• Achieve a detailed impression on the first take. Whether using an open or closed tray technique, or making implant or abutment-level impressions, a detailed impression reduces the cost of retakes

• Capture impressions or transfer copings with confidence. Ensure the precise orientation and position of the implant in the mouth.

Clinical case study by André Piwowarczyk, Germany

Initial situation: Free-end gap in the fourth quadrant with missing teeth 44, 45, 46 and 47 (Fig. 1): The patient favoured a restoration with four implant-based single-unit Lava Zirconia Crowns from 3M ESPE.

Treatment plan: After insertion of the four Astra Tech implants an orthopantomogram (Fig. 2) is made. For the subsequent precision impression with the pick-up impression technique an individual tray is used (Fig. 4). The selected Impregum Penta Polyether Impression Material is a monophase material that offers high hydrophilicity and high-end hardness which is important for this technique: When the set impression is removed, the impression posts stay in the impression material (Fig. 5). The four finished Lava Zirconia Crowns from the dental lab (Figs. 6-7) finally are cemented with Durelon Carboxylate Luting Cement from 3M ESPE (Fig. 8).

 

   

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