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': 'Thermoplastisized GP injection technique is indicated for obturation of: \nSelect and explain. \nA. Internal resorption., B. Perforation., C. Complex root anatomy., D. All of the above.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Thermo plasticized GP injection technique:\xa0\nE.g. OBTURA 3 (cooling to temperature of 71 ºC) (same for OBTURA 2)\xa0\xa0\nDisadvantage: voids can be seen if vertical compaction not combined.\xa0\nIndication: Obturation for\xa0\n\nInternal resorption\xa0\nPerforation\xa0\nComplex root anatomy (most important)\xa0\nOpen apex (obturation done with apical barrier).', 'role': 'assistant'}]