Which is not present in porcelain________________?

Related Mcqs:

1. Opaque porcelain________________?

   A. Is Feldspathic glass
   B. Contains opacifier like zirconium and titanium oxide
   C. Not used to mask the colour of the cement used in placing of restoration
   D. Used to produce the characteristic translucence, which is an inherent aspect of the incisal edge in natural teeth

2. In non zinc containing dental amalgam alloy the percentage of zinc present is______________?

   A. Less than 0.02%
   B. Less than 0.1%
   C. Less than 0.01%
   D. None of the above

3. For adhesion to be present between solid and liquid________________?

   A. Liquid should wet solid surface
   B. Mechanical interlocking should be present
   C. Should have high contact angle
   D. None of the above

4. Porosity present in a acrylic denture is usually the result of______________?

   A. A prolonged curing cycle
   B. Lack of sufficient pressure applied to flask
   C. Insufficient acrylic resin monomer
   D. Prolonged bench cooling after curing

5. Which of the following is present in the powder of the acrylic resin______________?

   A. Methyl methacrylate
   B. Benzoyl peroxide
   C. Hydroquinone
   D. D-methyl paratolouidine

6. Valve of Hasner is present at________________?

   A. Stensons duct
   B. common bile duct
   C. Naso lacrimal duct
   D. maxillary Sinus

7. The papillae present on margins of the tongue_____________?

   A. Fungiform papillae
   B. Filiform papillae
   C. Vallate papillae
   D. Foliate papillae

8. Aromatic ring is present in_____________?

   A. Arginine
   B. Glycine
   C. Phenylalanine
   D. Phenylalanine, Glycine

9. Iron is present in all of the following except_______________?

   A. Myoglobin
   B. Cytochrome
   C. Catalase
   D. Pyruvate kinase

10. Same or closely related antigens present in different biological species are known as________________?

    A. Suquestrated antigens
    B. Isoantigens
    C. Haptens
    D. Heterophile antigens