Practice Orthodontics questions with answers and explanations.
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Crossbite is an abnormal transverse or anteroposterior relationship in which teeth occlude opposite to the expected position.
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Cephalometric analysis is measurement of craniofacial relationships on a standardised skull radiograph.
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Functional appliance is an orthodontic appliance designed to modify jaw posture and influence growth or tooth position.
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Fixed appliance is an orthodontic system attached to teeth using brackets and wires.
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Retention is the phase after active orthodontic treatment intended to maintain corrected tooth positions.
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Class I malocclusion is a normal molar relationship with malalignment or other occlusal problems.
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Class II malocclusion is a distal relationship of the mandibular arch relative to the maxillary arch.
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Class III malocclusion is a mesial relationship of the mandibular arch relative to the maxillary arch.
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Overjet is horizontal overlap of the upper incisors relative to lower incisors.
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Overbite is vertical overlap of the incisors.
