Long-term mouth breathing can result in narrow maxillary and mandibular dental arches, a retrognathic mandible, a steep mandibular plane angle, incompetent lips, and an increase in anterior face height. They are sometimes referred to as "adenoid facies" and are frequently seen in youngsters with tonsillar and/or adenoid hypertrophy. Using panoramic and lateral cephalometric radiographs, this study sought to retrospectively assess the impact of adenoid hypertrophy on dental age and growth development levels in pediatric patients ages 7 to 12.
This analytical-archival study assessed radiographs of 348 children aged 7–12 who had orthodontic assessment at a private oral and dental health polyclinic between 2008 and 2023. Using panoramic radiographs and the Nolla methods, dental ages were calculated. The WebcephTM software was used to analyse lateral cephalometric radiographs. The McNamara Method was used to measure adenoid hypertrophy, and the Baccetti Cervical Vertebral Maturation (CVM) stages were used to measure growth development levels.
Of the patients (n = 348), 29.8% had adenoid hypertrophy. The control group's SNA, ramus height, SNB, and face height ratio values were significantly higher (P < 0.05).
The study group had considerably higher values for FMA, mandibular plane angle, SN-GoMe, and Y-axis angle (P < 0.05). ANB, gonial angle, lower gonial angle, and convexity angle did not differ significantly (P > 0.05).
While there were no gender-based differences in CS2 and CS4 stages (P > 0.05), boys' chronological ages were considerably greater than girls' in CS1 and CS3 stages (P < 0.05). In both sexes, the Baccetti categorization stages rose with age, although the rate of rise was statistically higher for females (P<0.05).
Also, there were no discernible variations in the chronological ages of research groups within the same Baccetti phases (P > 0.05). The research group's Nolla ages were substantially lower (P < 0.05).
Overall, in children aged 7–12, adenoid hypertrophy had no discernible effect on growth and development levels as measured by cervical vertebral maturation. However, individuals with adenoid hypertrophy had substantially delayed Nolla dental ages, indicating a detrimental effect on tooth development and eruption.
Source:
Ahlat, E. M., Ertuğrul, F., Baydaş, B., Ersin, N., & Ghabchi, B. (2025). The effect of adenoid hypertrophy on growth-development level and dental maturation: a 15-year retrospective radiographs study. BMC Oral Health, 25(1), 1266. https://doi.org/10.1186/s12903-025-06600-3
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