Anteroposterior tonsillar hypertrophy is strongly associated with anterior crossbite and skeletal Class III development, primarily through mandibular advancement and rotational growth adaptations. Transverse obstruction has minimal skeletal impact, whereas combined obstruction of multiple directions exacerbates dentoskeletal compensation. These findings highlight the directional influence of upper airway obstruction on craniofacial morphology in growing children and underscore the importance of early interdisciplinary evaluation.
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Cai et al. (2025) studied this question.
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