Mehreen Imran; Amjid Hanif; Bilal Zaman Babar; Hafiz Muhammad Raza; Nuzhat Ayub; Zia Ur Rehman. EFFECT ON HARDNESS OF REUSED CAST COBALT CHROME ALLOY USING FLAME CENTRIFUGE CASTING METHOD. Pak Oral Dent J 2020, 39 (4), 381-385.