This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Ceramic fusion is an example of \nSelect and explain. \nA. Liquid phase sintering, B. Solid phase sintering, C. Sintering, D. Oxidation-reduction reaction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The purpose of firing is simply to sinter the particles of powder together properly to form the prosthesis.\nMelting temperature of newer alumina ceramic is too high: Hence, liquid phase sintering does not happen.\nParticles fuse in solid phase sintering alone.', 'role': 'assistant'}]