1. If a mold that is created for investing and casting does not __________to compensate for the action of the metal alloy, the casting will not fit.expandcontractnone of the aboveEquateQuestion 1 of 20 2. Which of the following marginal designs is theoretically the best finishing margin for cast gold restorations, allowing burnishing and adaptation of the gold to the tooth?bevel or feathered edgeshoulder with a bevelShoulderchamferQuestion 2 of 20 3. The absolute maximum number of posterior teeth that can be safely replaced with a fixed bridge isonefourtwothreeQuestion 3 of 20 4. The most common complication of a single- crown implant is:abutment screw looseningimplant fixture fractureabutment screw fractureprogressive crestal bone ResorptionQuestion 4 of 20 5. In a fixed bridge, the most favorable ratio for an abutment tooth is when the rootis twice the length of the clinical crown.is half the length of the clinical crownnone of the aboveand clinical crown are equal in length.Question 5 of 20 6. Class -I muscle tone is present in cases withIll-fitting denturesimmediate denturesEfficient denturesOld denturesQuestion 6 of 20 7. Not a deprogramming method of mandible?Tongue bladesLucia anterior JigCentric relationLeaf gaugesQuestion 7 of 20 8. When an interim obturator planned in a case of maxillary surgery, it is given4-6 months after surgery2-4 months after surgeryBefore surgery2-4 weeks after surgeryQuestion 8 of 20 9. Minimum bone width required for a 4mm implant placement6mm9mm3mm10mmQuestion 9 of 20 10. Incisal guidance determines?Compensating curvesArticular eminenceOcclusal planeOverjet overbiteQuestion 10 of 20 11. Minimum number of implants required in mandible for the construction of the denture is2 to 4648Question 11 of 20 12. A black gutta percha is a thermoplastic impression material which is used for recording impressions forPartial denturesOver denturesIntraoral defectsComplete denturesQuestion 12 of 20 13. Major drawback of metal denture base:Increased weightDifficult to relineCan cause injury to soft tissueAcrylic does not bind to itQuestion 13 of 20 14. post insertion occlusal correction of a complete denture is best done bystatic transfer of occlusal records to articulator and alancinguse of a 3 pin articulatortransfer to articulator with new interocclusal records and balancingusing previous articulator mountings for occlusal grindingQuestion 14 of 20 15. While recording mandibular impression, what is recorded when patient is asked to close the mouth and dentist exerts downward pressureRetromolar padRetromylohyoid fossaLingual flangeMasseteric notchQuestion 15 of 20 16. What is the general rule for sprue pin diameter when using a centrifugal type of casting machine?the diameter of the sprue pin should be equal to or smaller than the thickest portion of the patternthe diameter of the sprue pin should be equal to or smaller than the thinnest portion of the patternthe diameter of the sprue pin should be equal to or greater than the thinnest portion of the patternthe diameter of the sprue pin should be equal to or greater than the thickest portion of the patternQuestion 16 of 20 17. which of the following is a characteristic of broad PPS45 degree with moderate mobilityShallow palate with less muscle movementHorizontal palate with minimal muscular activity60 degree with V shaped archQuestion 17 of 20 18. The upper arch shape can be change from a U to a square if:early extraction of 4 incisors and persistence of caninesmuliple extraction of 6 anterior teethcongenital missing of 2 lateral incisorsearly extraction of canines and persistence of 2 laterals incisorsQuestion 18 of 20 19. splinting of several teeth together as abutments for a fixed prosthesis is done todistribute occlusal loadpreserve remaining alveolar supportimprove retention of the prosthesisfaciliatate plaque removalQuestion 19 of 20 20. Which luting agent (cement) has the lowest solubility?zinc phosphatezinc polycarboxylateglass ionomerresin-modified glass ionomerQuestion 20 of 20 Loading...
