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Date:2021-08-12 22:36:57
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During the primary and mixed dentition stages, general malocclusions such as individual tooth misalignment do not require treatment. Instead, attention should be paid to observing and correcting harmful oral habits. However, for malocclusions that severely hinder maxillofacial growth and development, such as primary anterior crossbite(commonly known as "underbite"), which impedes maxillary development and affects facial aesthetics, early treatment is recommended. If the child cooperates, treatment can begin at around 3.5 years of age; similarly, severe mandibular retrusion can be treated with early orthopedic intervention during the mixed dentition stage to prevent further progression and reduce the difficulty of subsequent treatment.
For most malocclusions, treatment should be postponed until after all permanent teeth have erupted, at approximately 12 years of age. By this time, the occlusal relationship between the upper and lower jaws has largely been established, allowing for a definitive diagnosis of the malocclusion and ensuring stable treatment outcomes. Treatment during this period is shorter in duration and more effective.
If patients miss this window and reach adulthood, although growth and development are largely complete and alveolar bone remodeling is slower than in adolescents, adult patients tend to be more cooperative. With proper orthodontic treatment, satisfactory results can still be achieved. However, for severe skeletal deformities, combined orthodontic-surgical treatment is recommended.
In summary, the optimal age for treating different types of malocclusion varies. Since most parents are not dental professionals and may struggle to identify and time orthodontic treatment appropriately, it is recommended that parents seek a comprehensive examination once their child's primary teeth have fully erupted, consult a professional orthodontist, and schedule regular follow-ups when necessary to achieve the most efficient and effective results.