EFDA Practice Exam Questions with All Correct Answers
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Course
EFDA
Institution
EFDA
EFDA Practice Exam
Questions with All Correct
Answers
Basic remediable intraoral tasks and/or procedures include all of the following except:
1. impressions for diagnostic models or mouthguard
2. suture removal
3. placement of gingival retraction cord prior to direction impression
4. place...
EFDA Practice Exam Questions with All Correct Answers Basic remediable intraoral tasks and/or procedures include all of the following except: 1. impressions for diagnostic models or mouthguard 2. suture removal 3. placement of gingival retraction cord prior to direction impression 4. placement of surgical dressings - ANSWER 3. placement of gingival retraction cord prior to direction impression The following statements all apply to direct supervision except: 1. dentist is physically present during the performance of delegated "acts" 2. dentist checks the pt before pt leaves the office 3. dentist is personally operating on a pt 4. delegated procedures are performed pursuant to dentist's order and under his/her license - ANSWER 3. dentist is personally operating on a pt The following statements are true regarding the dental pulp except one. Which one is the exception? 1. provides nutrients + fluids to the dentin thru the blood supply 2. contains nerve fibers that mediate pain sensations 3. contains odontoblasts which help form primary, secondary, and reparative dentin 4. increases in size with age - ANSWER 4. increases in size with age On a tooth with extensive gingival recession below the CEJ, which of the following would be visible? 1. anatomical crown 2. clinical crown 3. anatomical + clinical crown 4. anatomical + clinical root - ANSWER 3. anatomical + clinical crown Which of the following statements most accurately describes the periodontium? 1. the oral hard + soft tissues that support the teeth 2. enamel + cementum located on the exterior surfaces of the teeth 3. soft tissue that is loosely attached to the underlying bone 4. cuff of tissue that is not attached to the tooth - ANSWER 1. the oral hard + soft tissues that support the teeth When would an open sandwich technique with GI be recommended? 1. whenever a metal matrix band is used 2. whenever the gingival ma rgin of the proximal box is deeper than ideal 3. it is recommended with every class II composite restoration 4. when the proximal box is wider buccolingually than ideal - ANSWER 2. whenever the gingival margin of the proximal box is deeper than id eal Which of the following materials should not be placed directly on dentin d/t the irritation it may cause to the tooth? 1. copal varnish 2. GI 3. zinc phosphate cement 4. calcium hydroxide - ANSWER 3. zinc phosphate cement Which of the follow ing statements is true regarding GI? 1. GI is more abrasion -resistant than amalgam 2. GI is more moisture -sensitive than composite 3. GI provides better esthetics than composite 4. GI bonds chemically and mechanically to dentin - ANSWER 4. GI bonds chemically and mechanically to dentin Tooth #19 MODB RUC is to be restored with amalgam. The overfill on the distal + distobuccal cusps should be: 1. equal to the cavosurface margin 2. to the desired final height of the restoration 3. slightly higher occlusally than the neighboring cusp of the adjacent tooth 4. slightly shorter than desired final height of restoration - ANSWER 3. slightly higher occlusally than the nei ghboring cusp of the adjacent tooth Dentin is normally yellowish -white and darker than enamel. The composition of dentin is approximately: 1. 90% inorganic material, 2.0% organic material, 8% water 2. 95.5% inorganic material, 0.5% organic material, 4% wa ter 3. 70% inorganic material, 20% organic material, 10% water 4. 85% inorganic material, 1.0% organic material, 10% water - ANSWER 3. 70% inorganic material, 20% organic material, 10% water This embrasure is located btwn the marginal ridge + con tact area and can be formed by a sickle explorer in soft amalgam @ a 45deg angle: 1. facial 2. lingual 3. occlusal 4. gingival - ANSWER 3. occlusal An overextension (flash) @ the cavosurface margin is indicated by:
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