1. The occlusal outline of a mandibular 1st molar is usually similar to acirclesquarerhomboidpentagonQuestion 1 of 20 2. The droplets of enamel found in area of furcation of the roots of permanent molars areEnamel organEnamel cracksEnamel pearlsEnamel spindleQuestion 2 of 20 3. All of the following are suprahyoid muscles, except the:Geniohyoid muscleMylohyoid muscleOmohyoid muscleStylohyoid muscleQuestion 3 of 20 4. Leeway space is due tospace differential between deciduous canine and molar and their succadaneous permanent teethspace differential between deciduous incisors and their succedaneous permanent teethdifference between deciduous and permanent maxillary caninesnoneQuestion 4 of 20 5. Which of these is not a type of occlusal morphology of mandibular 2nd premolarYUVHQuestion 5 of 20 6. The remnant of the primary enamel cuticle after eruption is referred to asNasmyth's membranePelliclePrimary attachment epitheliumAll of the aboveQuestion 6 of 20 7. All of the following muscles are considered to be extrinsic muscles of the tongue, except:Genioglossus muscleLongitudinal muscleHyoglossus muscleStyloglossus muscleQuestion 7 of 20 8. Which tooth below may show three types of occ/usal surfaces?Maxillary first premolarMandibular second premolarMandibular first premolarMaxillary second premolarQuestion 8 of 20 9. A bacterial enzyme capable of altering the ground substance of the PDL isAmylaseMucinaseDextraseHyaluronidaseQuestion 9 of 20 10. The shallow furrow on the enamel surface where striae of retzius end are known asCrackspelliclePerikymataEnamel lamellaeQuestion 10 of 20 11. The fiber bundle that is most numerous and constitutes the main attachment of the tooth isAlveolar crest groupHorizontal groupOblique groupApical groupQuestion 11 of 20 12. Fovea palatini representdepressions along course of greater palatine nerveorifice of minor palatine salivary glandscrypts in palatine tonsilstensor palatini insertionQuestion 12 of 20 13. The 1st permamnent tooth to erupt ismaxillary CImandibular CImandibular 1st molarmaxillary 1st molarQuestion 13 of 20 14. Contour lines(owen ) areHypocalcified bandsHypercalcified bandsNon mineralised bandsNone of the aboveQuestion 14 of 20 15. Which of the following teeth have proximal contact areas at approximately the same levels cervicoincisally or cervico-occlusally on the mesial and the distalmaxillary central incisormandibular central incisormaxillary caninemandibular caninesQuestion 15 of 20 16. Dental islands are frequently found in the root canals of which of the following permanent teethmaxillary lateral incisor and mandibular 2nd premolarmaxillary 2nd premolar and maxillary 1st molarmaxillary 2nd premolar and mandibular caninemaxillary 1st molar and mandibular 2nd premolarQuestion 16 of 20 17. Which of the following tooth roots is most likely to be pushed into the maxillary sinus during extraction?Maxillary canineMaxillary 1st premolarMaxillary 1st molarMaxillary 2nd premolarQuestion 17 of 20 18. The term "homodont" means what?Teeth are continually being replacedTeeth differ from one anotherTeeth are all alikeLong teethQuestion 18 of 20 19. The only tooth wider lingually than buccally isMaillary second premolarMaxillary 1st molarMandi 1st molarMaxillary 2nd molarQuestion 19 of 20 20. Which is the predominant factor in the formation of the alveolar processeruption of teethnormal process of growthlengthening of the condyleoverall growth of the bodies of the maxilla and the mandibleQuestion 20 of 20 Loading...