Orthodontics · single question
In a patient with Class II Division 2 malocclusion, the curve of Spee is typically:
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Correct answer: B. Flat or reversed
Class II Division 2 malocclusion features deeply overlapping, retroclined maxillary incisors with a deep bite. The curve of Spee in these patients is typically flat or minimal compared to the steep curve of Spee seen in deep bite Class II Division 1. This relates to the intrusion of anterior teeth and the leveling effect. Understanding the curve of Spee changes with malocclusion classes is important for orthodontic treatment planning.