A. Carbon
B. Molybdenum
C. Chromium
D. Nickel
Related Mcqs:
- Stabilization of stainless steel is achieved by adding____________?
A. Carbon
B. Chromium
C. Nickel
D. Titanium - Stainless steel is used mostly in dentistry_________________?
A. To strength amalgam
B. In orthodontic wires
C. To construct clasps for partial dentures
D. To replace internal gold restorations - 18-B Stainless steel orthodontic wire has_______________?
A. 18% Nickel 8% Chrominum
B. 18% Chromium 8% Nickel
C. 18% Chromium 8% Cobalt
D. 18% Carbon 8% Iron - Corrosion of stainless steel is due to formulation of_________________?
A. Chromium carbide
B. Carbon carbide
C. Iron carbide
D. Nickel carbide - Stainless steel orthodontic wire can be hardened by________________?
A. Tempering
B. Work hardening
C. Age hardening
D. Precipitation hardening - In a metal ceramic crown for a FPD the function of tin, indium which are readily oxidized minor constituents is to________________?
A. Improve bonding
B. Decrease porosity
C. They react with the porcelain opaque layer, which masks the metal
D. Improves the thermal expansion between the metal and porcelain - The maximum carbon content of steel used in dentistry is__________________?
A. 19%
B. 2%
C. 1.7%
D. 4% - Minor salivary glands are present in the submucosa through out the oral mucosa except for the______________?
A. Gingiva and anterior part of hard palate
B. Tongue and soft palate
C. Retromolar area and hard palate
D. Lip and posterior third of the hard palate - Swelling and redness of the orifices of minor salivary glands of the palate occurs in_________?
A. Nicotinic stomatitis
B. Leukoplakia
C. Fovea Palatine
D. Erythroplakia - Which tumour does not occur in minor salivary gland ?
A. Pleomorphic adenoma
B. Adenocarcinoma
C. Mucoepidermoid carcinoma
D. Warthin’s tumour
