Hottel Efda Exam With Questions And Verified Answers || Already Graded A+ | Guaranteed Pass | Latest Version 2025

HOTTEL EFDA EXAM WITH QUESTIONS AND VERIFIED ANSWERS || ALREADY GRADED A+ | GUARANTEED PASS | LATEST VERSION 2025 Where is the jaw of the clamp placed when it is properly placed on the tooth - ANSWER-At the CEJ The jaw of a gingival retractor should be - ANSWER-Parallel with the occlusal plane Upon removing a gingival retractor, the EFDA must avoid touching the tooth, and the ______ with the jaws of a retractor - ANSWER-Finished restoration Which will best retract the gingival tissue when restoring a class V restoration - ANSWER-Gingival retractor Can you re-contour over carved restorations and is this an advantage or a disadvantage of a polished amalgam over unpolished ones - ANSWER-No, Disadvantage What must you avoid when finishing proximal areas of amalgam restorations - ANSWER-Damaging the contact area What is an open margin - ANSWER-space between the restoration and the tooth How many increments of amalgam should be placed in all cavity preparations, even the smallest? - ANSWER-At least two increments. Step one of placing any type of amalgam is always what - ANSWER-Examine the prep If you have an area on an amalgam restoration that is sub gingival, you should - ANSWER-Remove the amalgam and start restoration over Where would the EFDA placed the first layer of amalgam in an MO restoration of tooth 18 - ANSWER-Least accessible area What best defines a complex amalgam preparation - ANSWER-There is loss of one or more cusps What can happen if an EFDA fails to condense amalgam into the mechanical retentive features of a restoration - ANSWER-Weakened retention of the restoration What necessitates replacing an amalgam restoration rather than simply polishing that restoration - ANSWER-Open contact Damage to the soft tissue during placement of restorative material may cause bleeding that can interfere with material causing - ANSWER-Improper bonding improper curing Lead to open margins This is the extension of the pulp chamber that projects incisally or occlusally - ANSWER-Pulp horns Most sealant material is made up of a plastic resin known as - ANSWER-BIS GMA The external tissue layer covering the anatomical root of a tooth, 50% mineralized is the: - ANSWER-Cementum This is the system adopted by the ADA that provides an easier method for identifying a specific tooth, involves a number assigning 1-32 - ANSWER Universal numbering system What material exhibits good obtundent qualities - ANSWER-Zinc oxide eugenol What is the strength of amalgam once placed - ANSWER-6% after 20 minutes The higher the percentage of mercury in amalgam the easier it is to mix and - ANSWER-The slower it sets Intercostal position (ICP) or maximum intercuspation is - ANSWER-Complete intercuspation of the opposing teeth independent of condylar position When condensing an amalgam restoration it is the goal of the EFDA to - ANSWER-Slightly overfill the restoration And EFDA may need to place retraction cord so that the resultant restorative material can be placed without contamination from the - ANSWER-Sulcular fluid Blood When taking a final crown impression you must have your cord placed so that you can view the entire finish line, as well as _______ mm of unexposed axial wall apical to the finish line - ANSWER-0.5-1.0mm