National Dental Examining Board of Canada (Prosthodontic) 63

This topic contains 20 replies, has 1 voice, and was last updated by  Editor 5 months, 2 weeks ago. This post has been viewed 186 times

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  • #95187
     Editor 
    Keymaster

    Which factor is not important in remineralisation and demineralisation of early carious lesions:
    a. Plaque composition
    b. Frequency of sugar intake
    c. Fluoride content of dentifrices
    d. Gingival inflammation
    e. Salivary flow
    d

    #95188
     Editor 
    Keymaster

    A 55-year-old gentleman presents to you in general practice complaining of an

    extremely sore mouth and the recent appearance of white patches on his cheeks.

    He thinks he may be allergic to his dentures. The patient was fitted with a new set

    of complete dentures 3 weeks ago and since then his mouth has become

    progressively more sore. In recent days he has noticed the appearance of white

    patches on his cheeks. He had not noticed these before. One year ago the patient

    was diagnosed as a noninsulin-dependent diabetic and he has a history of peptic

    ulceration. Current medications are “metformin” and “ranitidine”. He is otherwise

    fit and well.

    ***The patient’s right and left buccal mucosa on presentation.

    Q1. According to history and clinical presentation, the lesion might be:

    a. Candidal Leukoplakia

    b. Erosive lichen planus

    c. Lupus erythematosus

    d. Lichenoid drug reaction

    Q.2. In this case which of the following will be useful for diagnosis?

    a. Incisional biopsy

    b. Microbiological test

    c. Serological test

    d. None of the above

    e. All of the above
    d,a

    #95189
     Editor 
    Keymaster

    A change in continuity of the occlusal plane is often observed after ankylosis of a tooth. This change is caused by:
    A. differential eruption sequences.
    B. the ankylosed teeth sinking into the alveolar bone.
    C. localized growth inhibition of the alveolar process.
    D. continued eruption of non-ankylosed teeth and growth of the alveolar process.
    d

    #95190
     Editor 
    Keymaster

    Instability of denture When chewing food causes:
    1. Loss of post dam seal
    2. Anterior teeth too far labially
    4. Improper incising habits
    5. Lower posteriors set off ridge
    4

    #95191
     Editor 
    Keymaster

    A 4mm diameter carious exposure occurs on a permanent first molar of a 7-year old child. The tooth is vital and has no periapical involvement. The appropriate initial treatment would be to perform a(n)
    A. pulp capping.
    B. pulpotomy.
    C. pulpectomy.
    D. extraction.
    b

    #95192
     Editor 
    Keymaster

    What is the treatment of displaced left condylar fracture?
    A. Soft diet.
    B. Closed reduction.
    C. Open reduction.
    D. Inter maxillary fixation.
    E. elastic inter maxillary fixation
    d

    #95193
     Editor 
    Keymaster

    Which of the following techniques would be the best preventive measure?
    A elimination of sugars from diet
    B reduce frequency of intake of cariogenic food stuffs
    C rinse and swish with water after meals and snacks
    D substitution of alcohol based sugar for sucrose
    b

    #95194
     Editor 
    Keymaster

    Good oral hygiene and fluoridation is LEAST useful in preventing caries of:
    A. Pit and fissure
    B. Smooth surface
    C. Inaccessible area
    c

    #95195
     Editor 
    Keymaster

    After you have successfully treated an Angle’s Class II division I malocclusion. The ideal Class I incisor relationship has been produced and 14, 24 were extracted. The arches are now well aligned. What molar occlusion will there be at the end of treatment when all spaces are closed:
    A.​Full unit Class II
    B.​½ unit class II
    C.​Class I
    D.​½ unit Class III
    E.​Full unit Class III
    a

    #95196
     Editor 
    Keymaster

    Good oral hygiene and fluoridation is LEAST useful in preventing caries of:
    A. Pit and fissure
    B. Smooth surface
    C. Inaccessible area

    Fluoride application is most effective for prevention of:
    A. Pit and Fissure Caries B. Smooth Surface Caries
    C. Occlusal Caries
    D. Deeply Caviated Caries
    a,b

    #95197
     Editor 
    Keymaster

    Tests to investigate nerve sensation. What is INCORRECT?
    a. two-point discrimination
    b. sharp test
    c. blunt test
    d. pressure test (Refer to Odell)
    e. thermal test
    f. direction test
    d

    #95198
     Editor 
    Keymaster

    Lignocaine 2% when compared with prilocaine 4% with 0.5%IU felypressin
    a) equally effective
    b) more effective
    c) less effective

    Incase of injecting with lignocaine and procaine, what are the chances of nerve damage with procaine?
    A. Same
    B. Less
    C. Twice
    a,a

    #95199
     Editor 
    Keymaster

    the first priority in the tooth with multiple carious exposure is

    a-control of pain

    b-complete examination

    c-restoration of all teeth

    d-planning of the treatment
    a

    #95200
     Editor 
    Keymaster

    – Which nerve is affected if a patient is unable to gaze laterally to the left
    a)right abducens
    (b) left abducens
    (c)right trochlear
    (d)left trochlear

    – Which nerve is affected if the tongue deviates to the right when protruded
    a)right hypoglossal
    (b)left hypoglossal
    (c)right glossopharyngeal
    (d) left glossopharyngeal
    b,a

    #95201
     Editor 
    Keymaster

    Which one is true about gingival tissue regeneration?

    i) It prohibits epithelial growth and let bone growth to heal the lesion
    ii) It prohibite epithelial grwth and let the cemento blasts to growth and make new
    cementom
    iii) It provoke periodontal granulation tissue to growth and heal periodontal problem
    3

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