National Dental Examining Board of Canada (Prosthodontic) 63

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    All the following are true except ,Following a periodontal surgery; periodontal dressing will:
    A. Help in tissue adoption
    B. Decrease the patient’s discomfort
    C. Enhance the rate of healing
    D. Control bleeding and maintain blood clot


    The most appropriate radiographic examination for a 4 year old without visible or clinically detectable caries or anomalies, and with open proximal contacts is
    ​A. maxillary and mandibular anterior occlusals.
    ​B. a pair of posterior bitewings.
    ​C. maxillary and mandibular posterior periapicals.
    ​D. none.


    Which of the following is NOT significant factor in determining virulence of a.a.??** //I think a.a. stands for Anaerobic Bacteria/
    A.​It effects chemotaxis
    B.​Produces leukous toxins
    C.​Destroys collagen
    D.​It is immuno-suppressive


    The most accurate way to evaluate the effectiveness of root planing is by
    A. Inspect the root surface with an instrument for root smoothness
    B. Use air for visual inspection
    C. Activate a curette against root surface and listen for a high pitched
    sound which indicates a smooth, hard surface.
    D. Evaluate the soft tissue at the end of the appointment for a decrease
    oedema and bleeding
    E. Evaluate the soft tissues 10 to 14 days later.


    Taking impression with elastomers for maxillary fixed bridge using custom tray,

    the special tray should be

    1- perforated

    2- having space of 3mm

    3- having space of 5mm

    4- tray can be flexed

    5- adhesive not required


    You are working as a dentist in a busy dental centre for elderly people 400
    km away from city . You started in the morning.
    1.The first case was 51 year old Mrs.Baker who had immediate complete denture for 4 years, with
    fracture many times in past, present today with midline fracture . Your treatment is :
    A.fix the fracture segment and reline all surfaces.
    B. Reline just posterior area.
    C. Place stainless steel wire and fix the fracture denture.
    D. Place metal mesh work and fix the fracture and then reline( option was in feb 17).
    E . Remake ( option was there in feb 17

    2- your second patient Ms. Baker husband present for relining , which of the following considered as an
    indication for relining.
    A. Assessment of VD before relining as then it would increase 2mm after relining.
    B. Assessment of VD as it decreases 2mm after relining.
    C. Adjust periphery of denture + decrease VD for relining.
    D. Make a retentive new denture.

    Your next patient is Mr.John 80 year old with gagging related complete denture inserted two month
    ago . What’s your initial treatment.
    A. Increase the VD.
    B. Adjust retention and peripheral seal and give antiemetics.
    C. Reline the posterior area.
    D. Reduce the posterior area to completely avoid hamular notch and junction of hard and soft palate.

    4. Next patient with upper acrylic denture with lateral extracted 2 months ago. How you replace it.
    A. Take impression with denture in place and send it to lab.
    B. Take impression alone without denture and send it to lab.
    C. Advice him about the implant replacement options.
    D. Prep 21,23 and give fixed bridge.

    5. 47 year old patient wearing lower Co/ Cr RPD complaining that he was happy with his lower denture
    untill that one of the clasp has broken from the point of immersion.
    The patient is happy to keep his denture . What you will do.
    A. Advice the patient that denture need to replace it.
    B. Leave it as there is enough space on opposite side can provide good retention.
    C. Resolder it . ( some said laser welding was an option).
    D. Add new clasp

    6. Next patient wearing Cd complaining of pronouncing S Sound . What is the possible cause .
    A. Maxillary incisors set too far anteriorly.
    B. Palatal contour of maxillary incisors too thick.
    C. Decrease Vdo

    7.Complete denture patient complaining of cheek biting . What to do.
    A. Reduce buccal of Mandibular molars.
    B. Reduce buccal of Maxillary molars.


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