1. The oblique ridge on a maxillary molar extends between what two cusps MB and DL MB and ML DB and ML MB and DB 2. The shape of temporalis muscle is Heart shaped Fan shaped Funnel shaped Pear shaped 3. Following root canal therapy, gutta percha extending beyond the apex of which tooth is most likely to impinge on the mental foramen? Mandibular 1st premolar Mandibular 2nd premolar Mandibular canine Mandibular 1st molar 4. Which antibiotic has the ability to concentrate in gingival fluid Metronidazole Amoxycillin Tetracycline Penicillin 5. The droplets of enamel found in area of furcation of the roots of permanent molars are Enamel cracks Enamel pearls Enamel organ Enamel spindle 6. The enamel has no capacity of self repair because It is essentially a keratin tissue and has no blood vessels It has no direct connection with the active cells of the dental pulp It has only a small percent of organic content Its formative cells are lost once it is completely formed 7. In which of the following areas is the alveolar process the thinnest Lingual to the maxillary canine Buccal to mandibular CI Lingual to the mandibular first molars Lingual to maxillary CI 8. The long axis of mandilbular condyle is directed Posteromedially Posterolaterally Anterolaterally Anteromedially 9. according to recent research, following is true about of pattern of enamel prism demineraliation tail is more resistant to dissolution than head both head and tails are equally resistant to dissolution head is more resistant to dissolution than tail both head and tails are equally susceptible to dissolution 10. Which of the following chronic conditions may cause tooth abrasion? Occlusal trauma Nocturnal bruxism Pipe smoking GERD 11. Development of accessory root canal is due to The tongue like extension of the horizontal diaphragm development The broken continuity of hertwigs root sheath The apposition of dentine and cementum to the apex of the root None of the above 12. In a patient with acute pulpitis it is difficult for the patient to locate the pain.this is because No nociceptors are present in the pulp Patient cannot speak Patient is not cooperative Less proprioceptors are present in the pulp 13. In an ideal intercuspal position, the mesiolingual cusps of permanent mandibular molars oppose what? The opposing central fossae The lingual embrasure between their class counterpart and the tooth distal to it The lingual embrasure between their class counterpart and the tooth mesial to it The opposing distal marginal ridge 14. Which tooth listed below has a mesial developmental depression? Maxillary first premolar Maxillary second premolar Mandibular first premolar Mandibular second premolar 15. At what stage of developmentof a tooth does dentinogenesis imperfecta accur Morphodifferentiation Initiation Proliferation Histodifferentiation 16. Which of the following molars has the largest mesiodistal measurements of its crown maxillary 1st mandibular 2nd maxillary 2nd mandibular 1st 17. The distal contact area of a permanent mandibular canine is usually located where? Middle third None of the above Junction of the incisal and middle third lncisal third 18. Which group listed below of the principal fibers of the periodontal ligament runs perpendicular from the alveolar bone to the cementum and resists lateral forces? Oblique Horizontal Alveolar crest Apical 19. The mesial and distal aspect (or surfaces) of all anterior teeth have a: Square outline Triangular outline Trapezoidal outline Rhomboidal outline 20. In a dried skull holes on the lingual aspects of the deciduous teeth are called Volkmann canals Haversian canals Gubernacular canals Canals of hirshfield and zuckerland Loading … Question 1 of 20
