PRE BOARD EXAM Dentists Licensure Exam (DLE) TEST BANK |questions and correct answers marked in BOLD| new update

PRE BOARD EXAM Dentists Licensure Exam (DLE) TEST BANK |questions and correct answers marked in BOLD| new update Judy ENDO-PERIO 1. By which of the following routes can microorganisms gain access to the pulp? a. Anachoresis b. Vascular channels c. Exposed dentinal tubules d. All of the above (RUDMAN’S) e. Direct extension between saliva and the pulpchamber 2. Which of the following teeth is most likely to exhibit C-shaped morphology? a. Maxillary first premolar b. Mandibular first premolar c. Maxillary first molar d. Mandibular first molar. 3. Pulpal inflammation is most commonly caused by: a. Bacteria b. traumatic occlusion c. accidental trauma d. irritants in dental materials e. cavity preparation 4. The most frequent cause of persistence of positive cultures from a root canal is a. Improper drug therapy b. Seepage of saliva into the area of operation (RUDMAN’S) c. Overinstrumentation of the root canal d. Contaminated culture medium 5. Which of the following are indications for surgical endodontic intervention? 1. a non-negotiable canal with periapical pathosis 2. a sinus tract that persists after repeated treatment 3. periapical pathosis in a tooth with a post and core retained crown. a. 1 & 2 b. 1 & 3 c. 2 & 3 d. 1,2 & 3 e. 3 only 6. All of the following are contraindicated to selective grinding except: a. When pulp chambers are small b. In the presence of tooth sensitivity c. In patients who are poor candidates for full mouth reconstruction because of psychologic factors d. When major occlusal discrepancies may requires orthodontics or full mouth reconstruction 7. Aging of the pulp is evidenced by an increase in: a. Vascularity b. fibrous elements (RUDMAN’S) c. cellular elements d. pulp stones 8. Which of the following is an indication for RCT of primary teeth? a. Radiographic evidence of internal root resorption b. Periapical lesion c. Dentigerous cysts d. Mechanical or carious perforation of the chamber floor. 9. Percussion of a tooth is a test of: a. pulpal inflammation b. acute periradicular inflammation c. pulpal necrosis d. chronic 10. Post operative pain after obturation occur when: a. there is excess cement b. there is excessive force applied during lateral condensation c. patient failed to take analgesic after treatment. 11. Most useful in differentiating between an acute apical abscess and an acute periodontal abscess is a. Percussion test b. Anesthetic test c. Radiographs d. Palpation e. Pulp vitality test (rudman’s) 12. Which of the following is the best indicator of success of a pulpotomy in an immature permanent tooth? a. Patient comfort b. stable vitality readings c. continuation of root formation d. formation of a dentinal bridge covering the pulp stumps in the root canal. 13. Initially the first group of cells to arrive at the site of injury are neutrophils. Later, become more numerous. In certain parasitic infections, predominate. In viral infection rather than neutrophils usually predominate. a. Macrophages, lymphocytes, basophils b. Macrophages, eosinophils, lymphocytes c. Lymphocytes, macrophages, eosinophils d. Plasma cells, basophils, eosinophils 14. Gingivectomy is indicated in the following, except: a. Leukemic gingival enlargement b. Idiopathic fibromatosis of the gingiva c. Dilantin gingival enlargement d. Nifedipine gingival enlargement................