National Dental Examining Board of Canada 98 A

This topic contains 10 replies, has 1 voice, and was last updated by  Editor 8 months, 1 week ago. This post has been viewed 358 times

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  • #96665
     Editor 
    Keymaster

    When all other removable partial denture considerations remain unchanged; clasps constructed of which material can engage the deepest undercut:
    A. Chrome cobalt casts.
    B. Nickel chrome casts.
    C. Wrought stainless steel.
    D. Wrought gold.
    d

    #96666
     Editor 
    Keymaster

    A patient complains of sensitivity the day following placement of a conservative posterior composite resin restoration. The most probable cause
    is:
    A. Acid etching.
    B. Microleakage.
    C. Unpolymerized resin.
    D. Prolonged application of the curing light.
    E. Inadequate base thickness.
    c

    #96667
     Editor 
    Keymaster

    Which one of the following types of pain is most likely to be associated with craniomandibular disorders: A. Exacerbated pain by hot or cold food B. Keeps patient awake at night C. Associated with muscle tenderness D. Associated with trigger spots related to the trigeminal nerve
    c

    #96668
     Editor 
    Keymaster

    how to fill root canal of maxillary lateral incisor?
    a. one major gp cone
    b.laterally condensed
    b

    #96669
     Editor 
    Keymaster

    Child with rampant caries taking medicine with high quantity of sugar; the best way to help preventing caries is,

    A. Change sugar to sorbitol sweetener
    B. Report the patient is having expectorant
    C. Give him the syrup during sleep time
    D. Give him inverted sugar
    A

    #96670
     Editor 
    Keymaster

    Which statement BEST prescribe plaque:

    A.​It is a soft film composed mainly of food debris and can not be rinsed off teeth

    B.​It is a soft film composed mainly of food debris and can be rinsed off teeth

    C.​It is a soft film composed mainly of none calcified bacteria and can not be rinsed off the teeth

    D.​It is a soft film composed mainly of dextran and can not be rinsed off the teeth

    E.​It is a soft film composed mainly of dextran and can be rinsed off teeth.

    c

    #96671
     Editor 
    Keymaster

    The predominant microorganisms in deep dentinal caries are
    A. Streptococcus mutans.
    B. Lactobacillus species.
    C. Streptococcus salivarius.
    D. Actinomyces species.

    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

    Veillonella species in supragingival plaque
    A. act symbiotically with S. mutans to
    decrease pH and promote caries activity.
    B. convert lactate to acetic and propionic
    acid.
    C. enhance the progression of caries by
    metabolizing sucrose.
    D. act as pioneer microorganisms in the
    development of plaque.
    b
    d
    B

    #96672
     Editor 
    Keymaster

    The most appropriate treatment for unicystic ameloblastoma of posterior mandible in an 18 year old patient is?
    A. RCT
    B. Hemimandibulectomy
    C. Block resection
    D. Curettage
    E. Radiotherapy
    d

    #96673
     Editor 
    Keymaster

    What is incorrect about topical corticosteroids?

    A. It is locally immunosuppressive
    B.Doesn’t have systemic immunosuppressive effects
    C.Skin creams cannot be given intra orally
    D.Can be given alone in for oral infection
    E.Cannot be given in case of lichen planus untill diagnose
    d

    #96674
     Editor 
    Keymaster

    Lethal dose of paracetamol 500mg if taken
    once is:
    A. 25 tabs.
    B. 20 tabs.
    C. 15 tabs.
    B

    #96675
     Editor 
    Keymaster

    While placing rubber dam what could be the reason for gingival damage?

    a. holes too small b. holes too large c. holes too close d. holes too far
    c

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