Dentist study group 2019-6

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    Selection of steam heat (autoclave) over dry hot (oven) :
    a. Protein cell collagen under high pressure☆☆☆☆☆
    b. Save effect on sharp instruments, no dull or corrosion


    In a cavity preparation cavo-surface margin will be junction between:
    a. Cavity wall/ floor and adjacent tooth surface. ☆☆☆☆☆
    b. Cavity wall and floor.
    c. Floor of occlusal box and a proximal box.
    d. A proximal wall of one tooth with another.
    e. Axial wall and occlusal floor


    U-shaped radiopaque structure in the upper 1st molar x-ray is:
    a. The Zygomatic process. ☆☆☆☆☆
    b. Maxillary sinus wall


    Patient with hypertension and want make denture 145/100 what will you see?
    a. mucosal change
    b. dry mouth☆☆☆☆☆
    c. hyperplasia
    d. fungal infection


    least effective irrigant against e.faecalis
    a. NaOCl
    b. tetracycline
    c. iodine ☆☆☆☆☆
    d. Chlorohexidine


    Significance of localized aggressive periodontitis
    a. Circum pubertal ☆☆☆☆☆
    b. antibody titer low
    c. heavy plaque


    5cm long standing ulcer for month with no symptoms
    a. leave and observe
    b. remove part of it and send to the lab ☆☆☆☆☆
    c. remove it all and send it to lab


    Planning to restore an endo treated tooth, all true except?
    a. you can immediately prepare a well condensed Gp
    b. you can remove GP effectively using hand or rotary instruments
    c. you need to leave 4-5mm of well condensed GP apically
    d. you can cut silver point after it was sealed in the canal ☆☆☆☆☆


    Stainless steel crown ready to cement but you find small open margin from buccal what
    to do?
    a. Crimbing wz plier 112
    b. Crimbing wz plier 114 ☆☆☆☆☆
    c. New crown


    Suture after extraction of all teeth in arch
    a. Interrupted
    b. Continued ☆☆☆☆☆


    Hunter Schreger bands are white and dark lines that appear in:
    a. Enamel when view in horizontal ground.
    b. Enamel when view in longitudinal ground. ☆☆☆☆


    Measuring pulp vitality:
    a. Heat
    b. Ozone O3
    c. Carbon dioxide
    d. Laser Doppler ☆☆☆☆☆


    bone interproximal parallel to:
    a. Gingival margin
    b. pdl
    c. CEJ ☆☆☆☆☆


    semi adjustable arcon articulator example
    a. dentatus ☆☆☆☆☆
    b. denar 5 a
    c. denar mark 2
    d. gnathoscope


    Pt. came to the clinic of the retention of his upper complete denture, on examination you
    noticed bubbles distal to the PPS upon pressing in the middle of the denture. You checked the
    flanges extension & you noticed adequate retention there. What’s your diagnosis:
    a. overextended flanges
    b. over extended PPS
    c. under post dam ☆☆☆☆☆
    d. over post dam

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