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': 'Vertical malocclusions include: \nSelect and explain. \nA. Lateral deep bite, B. Complex deep bite, C. Gingivally supported deep bite, D. Gingivally supported open bite', 'role': 'user'}, {'content': 'Answer: C \nExplanation: VERTICAL PLANE MALOCCLUSIONS\nThey can be of two types depending on the vertical overlap of the teeth between the two jaws.\nDeep Bite\nHere, the vertical overlap between the maxillary and mandibular teeth is in excess of the normal.\xa0\nOpen Bite\nHere, there is no overlap or a gap exists between the maxillary and mandibular teeth when the patient bites in centric occlusion. An open bite can exist in the anterior or the posterior region.\nDeep overbite anomalies are categorized into dentally supported deep overbites and gingivally supported deep overbites. Open bite anomalies are divided into anterior, lateral and complex open bites, depending on the localization of the malocclusion.\nRef: Textbook of orthodontics Gurkeerat Singh 2nd ed page no 607, Orthodontic diagnosis- rakosi and graber, page 45', 'role': 'assistant'}]