Oral Patho Chapter 2

25 Questions | Total Attempts: 16

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Oral Patho Chapter 2


Questions and Answers
  • 1. 
    Suppernumerary teeth appears in all these locations except
    • A. 

      Mesiodense (between two central)

    • B. 

      Paramolars

    • C. 

      Distopremolars

    • D. 

      Distomolars

  • 2. 
    When all teeth in both arches are in their normal size but appear small in compare with arches size, we call this 
    • A. 

      True generalized microdontia

    • B. 

      Relative generalized microdontia

    • C. 

      True generalized macrodontia

    • D. 

      Relative generalized macrodontia

  • 3. 
    Microdontia of one or two teeth appears with downe syndrome & congenital heart disease
    • A. 

      True

    • B. 

      False

  • 4. 
    A molar with elongated crown and apically placed furcation of root resulting in an enlarged rectangular pulp chamber is 
    • A. 

      Dilaceration

    • B. 

      Taurodontism

    • C. 

      Gemination

    • D. 

      Hypercementosis

  • 5. 
    Surgical extraction is the treatment for impacted teeth
    • A. 

      True

    • B. 

      False

  • 6. 
    Premature eruption happens in permanent teeth due to
    • A. 

      Hypothroidism 

    • B. 

      Hyperthyroidism 

  • 7. 
    Supernumerary teeth has effect in all these except 
    • A. 

      Malposition

    • B. 

      Root resorption

    • C. 

      Dentigerous cyst development

    • D. 

      Deformed teeth (conical crowm)

  • 8. 
    One of the following could happen with macrodontia
    • A. 

      Cross bite

    • B. 

      Crowding

    • C. 

      Root resorption

    • D. 

      Fusion

  • 9. 
    Hypodontia appears in female more than male
    • A. 

      True

    • B. 

      False

  • 10. 
    Regarding to supernumerary cusp 
    • A. 

      Carabelli cusp appears in maxillary second molar

    • B. 

      Talon cusp appears in maxillary first molar

    • C. 

      Talon cusp appears in maxillary central incisors

    • D. 

      Carabelli cusp appears in maxillary central incisors

  • 11. 
    Dens invaginatous appears in 
    • A. 

      Maxillary central incisors

    • B. 

      Maxillary lateral incisors

    • C. 

      Mandibular central incisors

    • D. 

      A+B

    • E. 

      A+C

  • 12. 
    It is a rare malformation of tooth, infolding of enamel & dentin, happens before calcification occurs 
    • A. 

      Hypoplasia

    • B. 

      Hypertrophy

    • C. 

      Dens invaginatous

    • D. 

      Taurodontism

  • 13. 
    It is a single rooted tooth with two separated crowns, appears in primary more than permanent 
    • A. 

      Fusion

    • B. 

      Gemination

  • 14. 
    It is a disturbance of eruption that happens due to systemic causes like rickets and cleidocranial dysplasia
    • A. 

      Delayed eruption

    • B. 

      Premature eruption

  • 15. 
    Premature eruption mostly happens in primary lower central incisors 
    • A. 

      True

    • B. 

      False

  • 16. 
    Supernumerary root mostly happens in all these teeth except 
    • A. 

      Wisdom tooth

    • B. 

      Mandibular molars

    • C. 

      Mandibular premolars

    • D. 

      Mandibular canines

  • 17. 
    It is an abnomaly in teeth that happens between two adjacent teeth causing reducing in teeth number
    • A. 

      Fusion

    • B. 

      Gemination

  • 18. 
    It is an abnomaly in teeth due to confluence of the cementum (hypercementosis), union of roots of two normal teeth 
    • A. 

      Taurodontism

    • B. 

      Concrescense

    • C. 

      Fusion

    • D. 

      Supernumerary root

  • 19. 
    Congenital syphilis appears on teeth as
    • A. 

      Hutchison incisors and mulberry premolars

    • B. 

      Hutchison molars and mulberry incisors

    • C. 

      Hutchison incisors and mulberry molars

    • D. 

      Hutchison molars and mulberry canines

  • 20. 
    Hypercementosis is common in all these except
    • A. 

      Teeth subjected to heavy occlusal forces

    • B. 

      Pagets disease of bone

    • C. 

      Premature teeth 

    • D. 

      Periapical inflammation

  • 21. 
    A type of amelogenesis imperfiction in which the enamel is in its normal thickness but extremely brittle and pronning to staining and wearing 
    • A. 

      Hypocalcified 

    • B. 

      Hypoplastic

    • C. 

      Hypomaturation

  • 22. 
    Amelogenesis imperfecta affect primary & permanent and causes a soft chalky enamel 
    • A. 

      True

    • B. 

      False

  • 23. 
    A type of amelogenesis imperficta in which enamel is hard & translucent and has an abnormal thickness
    • A. 

      Hypoclacified

    • B. 

      Hypoplastic

    • C. 

      Hypomaturation

  • 24. 
    Dentinogenesis imperfecta is a hereditary disorder, appears with short blunt roots and discoloration
    • A. 

      True

    • B. 

      False

  • 25. 
    Most common type of dentinogenesis imperfecta
    • A. 

      Type I ( with osteogenesis imperfecta)

    • B. 

      Type II (teeth only affected) 

    • C. 

      Type III (occurs in maryland)

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