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': 'Which one of the following is false regarding single complete denture? \nSelect and explain. \nA. Harmonious occlusion is diﬃcult to achieve, B. Fixed position of natural teeth in opposing arch makes artiﬁcial teeth arrangement  diﬃcult., C. Mandibular single complete dentures are easier to fabricate than maxillary single  complete dentures., D. Natural teeth often abrade the artiﬁcial teeth', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Single mandibular complete denture poses a greater challenge to the operator, as its fabrication is\xa0complicated by severe ridge resorption and reduced mucosal support area.', 'role': 'assistant'}]