National Dental Examining Board of Canada ( Operative dentistry) 66

This topic contains 14 replies, has 1 voice, and was last updated by  Editor 3 months, 2 weeks ago. This post has been viewed 357 times

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  • #95168
     Editor 
    Keymaster

    The number of roots that are formed is determined by the :
    A- number of root sheaths developed by the enamel organ.
    B- number of root sheaths developed by dental sac.
    C – number of medial ingrowths at the epithelial diaphragm.
    D- Thickness of the cervical loop.
    b

    #95169
     Editor 
    Keymaster

    Which one of the following was the most frequently reason for replacement of a molar restoration
    with larger restoration:
    a. New caries.
    B.recurrnt caries
    C. Faulty restrn
    D. All of the above
    d

    #95170
     Editor 
    Keymaster

    Dentist have a pt. had tuberculosis his hand want to cleanitby:

    1.Chlorhexidine 0.1 – 0.2 %
    2.Antimicrobial rap
    3.Non antimicrobial soap
    4.Alcohol
    4

    #95171
     Editor 
    Keymaster

    The most superior way to test the vitality of the tooth with:
    A- Ice pack.
    B- Chloroethyl
    C- Endo CO2 refrigerated spray (aka Endo Special Ice)
    D- Cold water spray.
    c

    #95172
     Editor 
    Keymaster

    Dentist have a pt. had tuberculosis his hand want to clean it by:

    1.Chlorhexidine 0.1 – 0.2 %
    2.Antimicrobial rap
    3.Non antimicrobial soap
    4.Alcohol
    c

    #95173
     Editor 
    Keymaster

    two non- parallel implant and long description that a month back pt had over denture and now its rocking whar is the reason:

    A. Ball joint disruption

    B. Torsion

    C. Ring disruption
    a

    #95174
     Editor 
    Keymaster

    Patient with upper complete denture since 9 years complaining of falling of denture during chewing after examination with wax bite there is slightly inter occlusion
    Whats the best management
    A. Reline
    B. Rebase
    C. Remake
    D. Establish occlusion
    c

    #95175
     Editor 
    Keymaster

    When you receive a crown back and want to seat it what is the first thing you check for?

    Shade (aesthetics) or internal
    Proximal contacts
    Margin
    a

    #95176
     Editor 
    Keymaster

    Aplastic anemia is associated with which antibiotic?

    Chloramphenicol

    #95177
     Editor 
    Keymaster

    Which antibiotic produces GI upset and pseudomonas colitis?
    Clindamycin

    #95178
     Editor 
    Keymaster

    Which impression material won’t be used for impression of a single crown ?
    Polyether

    #95179
     Editor 
    Keymaster

    Impression material that have the longest working time ?
    Poly sulfide

    #95180
     Editor 
    Keymaster

    Which penicillin has the best gram negative spectrum?
    Ampicillin

    #95181
     Editor 
    Keymaster

    Study to know the effect of gastric bypass surgery on nutritional status
    A. Cohort
    B. Descriptive
    C. Observational
    D. Clinical trial
    a

    #95182
     Editor 
    Keymaster

    What is NOT an effect of opioids:

    A. constipation

    B. xerostomia

    C. miosis

    D. peripheral inhibition of pain nerves

    E. depress respiration

    F. somnolence (sleepiness)
    d

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