2019 NDEB_SOLVED TEST QUIZ WITH CORRECT ANSWERS.
The principal reason for a cavosurface bevel on an
inlay preparation is to
A. remove undermined enamel.
B. improve marginal adaptation.
C. decrease marginal percolation.
D. increase resistance and retention forms. - correctans...
2019 NDEB_SOL VED TEST QUIZ WITH CORRECT ANSWERS. The principal reason for a cavosurface bevel on an inlay preparation is to A. remove undermined enamel. B. improve marginal adaptation. C. decrease marginal percolation. D. increase resistance and retention forms. - correctanswers.B. improve marginal adaptation. Lichen planus occurs most frequently on the A. buccal mucosa. B. tongue. C. floor of the mouth. D. gingiva. - correctanswers.A. buccal mucosa. The pulpal floor of a Class II cavity is cut perpendicular to the long axis of the tooth EXCEPT in the A. maxillary first premolar. B. maxillary second premolar. C. mandibular second premolar. D. mandibular first premolar. - correctanswers.D. mandibular first premolar. Upon examination of an edentulous patient, it is observed that the tuberosities contact the retromolar pads at the correct occlusal vertical dimension. The treatment of choice is to A. reduce the retromolar pads surgically to provide the necessary clearance. B. reduce the tuberosities surgically to provide the necessary clearance. C. construct new dentures at an increased occlusal vertical dimension to gain the necessary clearance . D. proceed with construction of the denture and reduce the posterior extension of the mandibular denture to eliminate interferences. - correctanswers.B. reduce the tuberosities surgically to provide the necessary clearance. In the absence of "Hanks bala nced salt solution", what is the most appropriate media to transport an avulsed tooth? A. Saliva. B. Milk. C. Saline. D. Tap water. - correctanswers.B. Milk. The setting of a zinc -phosphate cement can best be retarded by A. decreasing the particle size. B. increasing the concentration of water in the liquid. C. increasing the rate of addition of the powder to the liquid. D. cooling the glass mixing slab. - correctanswers.D. cooling the glass mixing slab. What is the most likely diagnosis of a white lesio n on the retromolar pad opposing a non -functional molar? A. Alveolar ridge keratosis. B. Candidiasis. C. Lichen planus. D. Squamous cell carcinoma - correctanswers.A. Alveolar ridge keratosis Which of the following is the most likely cause of osteoporosis , glaucoma, hypertension and peptic ulcers in a 65 year old with Crohn's disease? A. Uncontrolled diabetes. B. Systemic corticosteroid therapy. C. Chronic renal failure. D. Prolonged NSAID therapy. E. Malabsorption syndrome. - correctanswers.B. Systemic co rticosteroid therapy. A hinge axis facebow records A. Bennett angle. B. centric relation. C. lateral condylar inclination. D. horizontal condylar inclination. E. opening and closing axis of the mandible. - correctanswers.E. opening and closing axis of the mandible. The most important objective of occlusal adjustment of a natural dentition is to A. prevent temporomandibular joint syndrome. B. increase the sheari ng action in mastication. C. improve oral hygiene by preventing food impaction. D. achieve a more favorable direction and distribution of forces of occlusion. - correctanswers.D. achieve a more favorable direction and distribution of forces of occlusion. Which condition has NOT been associated with Candida albicans infection? A. Median rhomboid glossitis. B. Angular cheilitis. C. Denture stomatitis. D. Aphthous ulcerations. E. Oral hairy leukoplakia. - correctanswers.D. Aphthous ulcerations. Which of the following is essential for successful periodontal treatment? A. Scaling. B. Final evaluation and maintenance on a oneyear recall. C. Periodontal flap surgery. D. Elimination of local etiologic factors. - correctanswers.D. Elimination of local etiologic fac tors. If a complete mandibular denture causes a burning sensation in the premolar region, this is due to the denture exerting pressure in/on the A. fibres of the buccinator muscle. B. lingual branch of the mandibular division of the trigeminal nerve. C. underlying bone. D. mental branch of the inferior alveolar nerve. E. buccal frenum area. - correctanswers.D. mental branch of the inferior alveolar nerve. A hinge axis facebow records A. Bennett angle. B. centric relation. C. lateral condylar inclinati on. D. horizontal condylar inclination. E. opening and closing axis of the mandible. - correctanswers.E. opening and closing axis of the mandible. Which of the following microorganisms are most frequently found in infected root canals? A. Streptococcus vi ridans. B. Staphylococcus aureus. C. Lactobacilli. D. Enterococci. E. Staphylococcus albus. - correctanswers.A. Streptococcus viridans. The predominant type of movement produced by a finger spring on a removable appliance is A. torque. B. tipping. C. rotation. D. translation. - correctanswers.B. tipping. Epinephrine should be administered immediately in which of the following emergencies? A. A severe angina attack. B. A mild asthmatic attack. C. Severe anaphylaxis. D. Severe hypotension - correctan swers.C. Severe anaphylaxis. The location and extent of subgingival calculus is most accurately determined clinically by A. radiopaque solution used in conjunction with radiographs. B. disclosing solution. C. probing with a fine instrument. D. visual insp ection - correctanswers.C. probing with a fine instrument. Endotoxin is A. a cell wall component of gram -negative bacteria. B. a potent inflammatory agent. C. present in diseased root cementum. D. All of the above. - correctanswers.D. All of the above. In inhalation analgesia, what is the safe maximal nitrous oxide concentration that can be delivered? A. 50%. B. 60%. C. 70%. D. 80%. - correctanswers.C. 70%. The bond between porcelain and metal in a ceramometal (porcelain bonded to metal) crown is A. chemical. B. mechanical. C. equally chemical and mechanical. D. neither chemical nor mechanical. - correctanswers.A. chemical. The predominant immunoglobulin isolated from saliva is A. IgG. B. IgM. C. IgA.
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