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Chapter 45 Cements
Dental Cements
Question | Answer |
---|---|
A _____ is classified as a type I dental cement | luting cement |
When is temporary cement used instead of permanent cement? | When the dentist will need to remove the indirect restoration at a later time. |
A delay between completion of the mix and seating for final cementation will result in ______. | The initial setting process |
What variable affects the addition or loss of water in a dental cement? | Humidity |
According to the “Guidelines for Mixing Dental Cements” you should __________. | dispense the powder first, and then the liquid |
Which cement types is/are the most versatile and the least irritating to the pulp? | Zinc oxide–eugenol and glass ionomer |
The cement that gives off an exothermic reaction and must be spatulated over a wide area of a cool, dry, thick glass slab is _____. | Zinc phosphate |
Can resin cements be used under metal castings? | Y |
. What ingredient in the powder of glass ionomer cement helps in inhibiting recurrent decay? | Calcium |
On what mixing surface is ZOE mixed? | oil-resistant paper pad or a glass slab |
The cement should be loaded into a casting so that it covers _________. | all the internal walls with a thin lining of cement |
Type _____ glass ionomer cement is designed for restoring areas of erosion near the gingiva. | II |
How is Tempbond supplied? | two tubes of paste |
Which type of cement is preferred for cementation of ceramic veneers? | composite resin cement |
How should polycarboxylate cement appear after the mixing process? | Glossy |
What is the main component in the liquid form of zinc phosphate cement? | phosphoric acid |
When composite resin cement is used, the tooth must be _____. | free of all plaque and debris and etched |
If excess cement is not removed from in and around the gingival margin and sulcus of the tooth, the cement can _____. | irritate the area and cause inflammation and discomfort |