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| October 2009 | Courtesy of BEGO USA |
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Triple trays are Fast But do They Save Time? Many doctors today use triple trays as a quick impression system for their Crown & Bridge needs. The triple tray is designed to capture both the upper and lower dentition and the bite registration all at one time. In theory this sounds very effective. However, some patients with a forceful bite may bite down to the retention mesh in the center of the tray, which in turn will affect the result of the stone model. The stone model will not reproduce the occlusal or incisal surfaces correctly. The distortion is usually positive in nature and causes the articulation of the two arches to be open. This results in the crowns being too high once placed into the patient's mouth. Additionally, the lateral movements can also be effected making adjustments necessary as the patient goes through their jaw movements. Always check the occlusal surface of the models to make sure they don't need to be equilibrated. Equilibration can be done by selectively grinding high spots that are indicated by the markings on the articulating foil (see photo). Making sure models are in articulation will save valuable chair side time and helps to avoid remakes. |    See the full 2009 Webinar Schedule |
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 For more information, call your local dealer or BEGO USA, 1.800.342.2346 | www.begousa.com | |
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