6 – 8 years old – early mixed dentition
Image adapted from CDC Gov.
During the early mixed dentition stage, the eruption of the permanent incisors and first molars should be occurring. The sequence of eruption and a symmetric eruption (the eruption of the same tooth on the contralateral side is < 6 months different) should be observed.
The incisor relationship should possess the normal range of overjet and overbite. There should be no digit-sucking or external habits. If the dentist is unsure, this is an ideal time for the patient’s first consult with a specialist orthodontist.
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