2023 NDEB_SOLVED updated| 1085 questions| 196 pages| with CORRECT solutions

E. buccal frenum area. correct answer: D. mental branch of the inferior alveolar nerve. 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. correct answer: E. opening and closing axis of the mandible. Which of the following microorganisms are most frequently found in infected root canals? A. Streptococcus viridans. B. Staphylococcus aureus. C. Lactobacilli. D. Enterococci. E. Staphylococcus albus. correct answer: 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. correct answer: 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 correct answer: 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 inspection correct answer: 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. correct answer: 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%. correct answer: 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. correct answer: A. chemical. The predominant immunoglobulin isolated from saliva is A. IgG. B. IgM. C. IgA. D. IgD. correct answer: C. IgA. So