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Glass Ionomers require a protective varnish to protect from excessive uptake of moisture from saliva or from drying.

It is acceptable to eat or drink while working with dental materials

Cathy and her parents will meet with an orthodontist to discuss an orthodontic treatment plan. At a previous appointment, the orthodontist took impressions of Cathy’s maxillary and mandibular arches. The replicas made from these impressions are used to discuss the treatment plan, and are termed:

All of the following EXCEPT one is an application for digital impression/scanning technology. Which one is the EXCEPTION?

The dental clinician should use their own judgment to determine the best scanning path while using digital impression scanners. 

Impressions must be disinfected for _________ minutes.

The size of an impression tray can be determined by only looking in a person’s mouth so it is not necessary to try the impression tray in first.

Dental composite restorations appear _______________ on a radiograph?

Which of the following is a test for measuring hardness?

Which dental cement bonds to dentin, is “kind” to the pulp, and resists recurrent decay?