Orthodontics · single question
A maxillary midline diastema of LESS than 2 mm in the mixed dentition is most appropriately managed by:
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Correct answer: A. Observation — it commonly closes spontaneously with eruption of the permanent canines
- A. Correct. A diastema < 2 mm is often normal in the mixed dentition ('ugly duckling' stage) and frequently closes as the permanent lateral incisors and canines erupt; observation is appropriate.
- B. Immediate closure is premature for a developmentally normal, small diastema.
- C. Frenectomy is reserved for a true low/thick frenum with blanching, not done routinely.
- D. Restorative closure is unnecessary if spontaneous closure is expected.