RESEARCHED QUESTIONS AND ANSWERS|NEW
UPDATE|GRADED A+
What agent is used in topical anesthetic?
Benzocaine
How long should topical anesthetic be placed for more profound soft tissue
analgesia?
60 to 90 seconds
Dry angles are an effective way to control saliva secretions from
Stensen's duct
What type of zoe lacks strength and long-term durability?
Type i (temporary cement)
This type of cement is a hybrid of silicate and polycarboxilate cement
,Glass ionomer
What material is supplied as a paste/paste system and also in cartridges?
Polyether
What does the term elastomeric mean?
Having elastic or rubber-like qualities
An alginate absorbing excess water is termed what?
Imbibition
What is a final impression used for?
An accurate reproduction of teeth and surrounding tissue
What is the negative reproduction of dental arches and surrounding tissues?
Impression
,At what point in a procedure is a mylar matrix placed?
Before etching
The retainer (toffelmire) is positioned from what surface?
Buccal
Where is the wedge inserted to position the matrix band firmly against the
gingival margin?
Lingual embrasure
What instruments are used to contour a matrix band?
Burnisher or mirror handle
A matrix band is made of what?
Thin flexible steel
What stabilizes the tofflemire matrix band?
, Wooden wedge
What type of stain can chlorhexidine cause?
Extrinsic
Most common type of temporary coverage for crown and bridge?
Custom provisional
Why only intermittent pressure of a tooth when polishing?
Heat dissipates between strokes
Course, extra course, medium, fine and extrafine are different _____ of polishing
paste?
Grit
Removal of calculus, debris, stain, and plaque from teeth
Oral prophylaxis