Linear coefficient of thermal expansion of metal used in metal ceramic restoration range from: (A) 11.5-12.5 x 10-6/degree Celsius, (B) 10.5-11.5 x 10-6/degree Celsius, (C) 13.5-14.5 x 10-6/degree Celsius, (D) 16.5-17.5 x 10-6/degree Celsius
Answer is C. None