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| | Designing and scanning bridges
Setting up the stone master model
The first step is to ensure that the model is orientated so that all of the surfaces to be scanned can be accessed by a vertical stylus - i.e. there must be no vertical faces or undercuts on either die. The preps should also be set-up to be as flat as possible. Refer to the inciseTM laboratory guidelines for details of model set-up and scanning. Scanning the dies
Scanning the ridge
Waxing up the ponticThe pontic and connectors must be waxed up after the dies and ridge have been scanned. The inciseTM scanner software will manage the scanning and produce a CAD model of the bridge assembly. Checking the pontic size
Checking the pontic gaps
Checking the connector sizes
Customising your bridge designWall thickness and cement space
The wall thickness and cement space can be chosen and specified in the inciseTM software. For the latest wall thickness and cement space information, please call our support line on +44 1453 524111.
Anterior and posterior restorations
Transferring the scanned data
Notes can be added to individual jobs. Next stepsContact us online if you require more information or you have a pricing query, or alternatively you may like to speak directly to your local Renishaw office. | | ResourcesHow it works
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To scan the dies, both preps are left in the model, whilst the ridge and other elements are removed. 
The ridge is then scannerd with the two dies in place on either side.
The pontic must be smaller than the ridge, when viewed from above.
There must be room to get a 2 mm tool in between the pontic and the neighbouring preparations.
The connectors must have a cross-sectional area greater than 2.5 mm diameter for posterior restorations, or 1 mm diameter for anterior restorations to meet clinical strength requirements.
Anterior copings are thinner than posterior copings, due to lower loads and the challenging aesthetic requirements in that zone. Anterior designed copings are not suitable for posterior restorations.
After scanning, data files appear in the job management system. They can then be sent electronically to Renishaw's milling centre by following the on-screen instructions.
