Operator's Manual - Sirona - Technical Documentation

Restoration types and design techniquesBiogenericSirona Dental Systems GmbHOperator's Manual10.3.4 Design example of partial crown with antagonist image fortooth 1710.3.4.1 Creating a new restorationInstructions✔ You have selected a patient from the database or created a new patient.1. Select the following options in the New dialog box.2. Click "OK".PreparationsRange17 - Inlay, onlay, partial crown - dental database - CERECValueTooth 17In Master mode you additionally select:"Restoration""Inlay, Onlay, Partial crown""Design technique" "Biogeneric"10.3.4.2 Acquiring the preparationDescription1. After you have made and dried the preparation, powder the working field.2. Accept the preparation (see "Optical impression").3. With the CEREC 3D software, multiple impressions can be acquired fromslightly displaced perspectives.The CEREC 3D software combines all of the individual impressionsto form a single whole impression so that all regions of the preparationare acquired. The first impression is displayed with a red frameto show that it is the reference impression.CAUTIONFitting the restorationIf regions with slight undercuts are also displayed, the milling unit will thenmachine the preparation so accurately that the restoration may get stuckslightly while it is being fit.Continue to 3D preparation✔ All of the required optical impressions are available.➢ Click the button "Next".10.3.4.3 Acquiring the antagonistProcedure1. Acquire one or more impressions of the antagonist/bite registration.2. If all of the required optical impressions are available, click the icon marked"Next".59 56 458 D 3344134 D 3344.208.05.14.02 04.2011