Avci Burcin, Kaya Sema
Department of Pediatric Dentistry, Faculty of Dentistry, Van Yuzuncu Yıl University, Van, 65080, Turkey.
Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Van Yuzuncu Yıl University, Van, 65080, Turkey.
BMC Oral Health. 2025 Sep 26;25(1):1449. doi: 10.1186/s12903-025-06755-z.
Mesiodens is the most prevalent type of supernumerary tooth and frequently interferes with the eruption of maxillary incisors. While its dental implications are well described, its potential impact on maxillofacial structures-such as nasal septum deviation (NSD) and transverse skeletal development-has not been thoroughly investigated. This study aimed to evaluate these effects in pediatric patients using cone-beam computed tomography (CBCT).
A total of 102 pediatric patients with mesiodens and 102 age- and sex-matched controls were retrospectively evaluated. Maxillofacial parameters, including nasal base width, maxillary and mandibular transverse widths, and the presence of NSD, were assessed using CBCT. Statistical analyses involved independent t-tests, chi-square tests, and one-way ANOVA with post hoc comparisons (p < .05).
The presence of mesiodens was significantly associated with a narrower nasal base width (p < .001) and a higher prevalence of NSD (p = .009). No significant differences were observed between groups regarding maxillary (p = .260) or mandibular width (p = .078).
These findings suggest that mesiodens may influence not only dental eruption but also broader craniofacial development. Early detection and comprehensive radiographic evaluation may help mitigate potential maxillofacial complications associated with this anomaly.
正中牙是最常见的多生牙类型，常干扰上颌切牙的萌出。虽然其对牙齿的影响已有详细描述，但其对颌面结构（如鼻中隔偏曲（NSD）和横向骨骼发育）的潜在影响尚未得到充分研究。本研究旨在使用锥形束计算机断层扫描（CBCT）评估儿科患者中的这些影响。
对102例患有正中牙的儿科患者和102例年龄及性别匹配的对照进行回顾性评估。使用CBCT评估包括鼻底宽度、上颌和下颌横向宽度以及NSD情况在内的颌面参数。统计分析采用独立t检验、卡方检验和事后比较的单因素方差分析（p < 0.05）。
正中牙的存在与较窄的鼻底宽度（p < 0.001）和较高的NSD患病率（p = 0.009）显著相关。两组在上颌宽度（p = 0.260）或下颌宽度（p = 0.078）方面未观察到显著差异。
这些发现表明正中牙可能不仅影响牙齿萌出，还影响更广泛的颅面发育。早期检测和全面的影像学评估可能有助于减轻与这种异常相关的潜在颌面并发症。
