EFDA Board Exam Questions And Answers 2023

What agent is used in topical anesthetic? - Answer- Benzocaine How long should topical anesthetic be placed for more profound soft tissue analgesia? - Answer- 60 to 90 seconds Dry angles are an effective way to control saliva secretions from - Answer- stensen's duct what type of ZOE lacks strength and long-term durability? - Answer- type I (temporary cement) This type of cement is a hybrid of silicate and polycarboxilate cement - Answer- glass ionomer what material is supplied as a paste/paste system and also in cartridges? - Answer- polyether What does the term elastomeric mean? - Answer- having elastic or rubber-like qualities an alginate absorbing excess water is termed what? - Answer- imbibition what is a final impression used for? - Answer- an accurate reproduction of teeth and surrounding tissue what is the negative reproduction of dental arches and surrounding tissues? - Answer- impression at what point in a procedure is a mylar matrix placed? - Answer- before etching the retainer (toffelmire) is positioned from what surface? - Answer- buccal Where is the wedge inserted to position the matrix band firmly against the gingival margin? - Answer- lingual embrasure what instruments are used to contour a matrix band? - Answer- burnisher or mirror handle a matrix band is made of what? - Answer- thin flexible steel what stabilizes the tofflemire matrix band? - Answer- wooden wedge what type of stain can chlorhexidine cause? - Answer- extrinsic