Which characteristic should be considered when choosing an impression tray?

Question

Quizplus · Accepted Answer

A properly selected tray will cover all of the teeth and extend into the facial and lingual vestibules without impinging on the tissues.It will extend posteriorly to include the retromolar area for a mandibular tray and the hamular notch area for a maxillary tray.It will be deep enough to provide at least 2 mm of space for alginate beyond the incisal and occlusal surfaces of the teeth.

Which Characteristic Should Be Considered When Choosing an Impression Tray