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': 'Retromolar pad contains all except: \nSelect and explain. \nA. Superior constrictor, B. Buccinator, C. Masseter, D. Temporal tendon', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Retromolar pad\nThis is a triangular pad of tissue at the distal end of the ridge:\n\nIts mucosa is composed of thin, nonkeratinized epithelium and submucosa contains loose areolar tissue, some glandular tissue, fibres of the buccinator (buccally), superior constrictor (lingually), pterygomandibular raphe (superoposteriorly) and tendon of the temporalis. This limits the pressure and extension in the pad.\nIt should be covered by the denture as determined by the muscle attachments.', 'role': 'assistant'}]