Amalgam restorations give the best clinical service when the residual mercury content is_______________?

Related Mcqs:

1. Increase in the residual mercury in silver amalgam filling can_____________?

   A. Cause fracture of the filling
   B. Tarnish and corrosion
   C. Increase the strength
   D. Decrease condensation pressure

2. The carat for Au foil used for restorations is_______________?

   A. 18
   B. 20
   C. 22
   D. 24

3. Outstanding clinical performance of dental amalgam restoration is related to its____________?

   A. Compressive strength
   B. Tensile strength
   C. Corrosion
   D. Creep

4. The highest mercury concentration in amalgam filling is found_____________?

   A. At the margin of the restoration
   B. In the centre of the restoration
   C. In the deepest part of the restoration
   D. None of the above

5. Well premeasured capsules of amalgam can release mercury vapour during_______________?

   A. Mulling
   B. Carving
   C. Condensation
   D. Trituration

6. Mercury rich condition in a slow setting amalgam alloy system in a resoration in______________?

   A. Accelerated corrosion
   B. Fracture of the restoration
   C. Merginal damage
   D. All of the above

7. A 40 year old woman report with the complaint of burning sensation in the mouth. Clinical examination reveals lesions consisting of radiating white striations in a retiform arrangement affecting buccal mucosa, tongue, lips & gingiva bilaterally. An incisional biopsy is suggestive of lichen planus. The following are different clinical forms of lichen planus except:

   A. Atrophic lichen planus
   B. Hypertrophic lichen planus
   C. bullous lichen planus
   D. Verrucous lichen planus

8. One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations_____________?

   A. Prevent galvanic action
   B. Are practically insoluble in oral fluids
   C. Adapt to the walls of the cavity better
   D. Have a higher coefficient of thermal expansion

9. Copper content in low copper amalgam is________________?

   A. 6%
   B. 12-30%
   C. 29%
   D. 19%

10. A radiograph of the mandibular anterior teeth in a patient reveals radiolucencies above the apices of right lateral and central incisors. No restorations or cavities are present There is no pain or swelling and the pulps are vital. The diagnosis is_________________?

    A. Periapical granuloma
    B. Cementoblastoma
    C. Radicular cyst
    D. Chronic abscess