PDF(1618 KB)
Clinical analysis of nonsyndromic oligodontia phenotypes
Shu Lihong, Tang Zichun, Wang Haixia, Cao Li, Li Hu
PDF(1618 KB)
PDF(1618 KB)
Clinical analysis of nonsyndromic oligodontia phenotypes
), Tang Zichun, Wang Haixia, Cao Li, Li Hu()Objective To provide references, this study investigated the clinical characteristics of patients with nonsyndromic oligodontia. Methods The information of 178 patients with oligodontia was collected, including histories, oral examinations, and panoramic radiographs. Tooth agenesis characteristics were calculated and evaluated. All the data were statistically analyzed with SPSS 24.0 software. Results No significant difference in the number of missing teeth was found between sexes nor between the right and left sides, and congenitally missing teeth affected the maxillary arch (P<0.05). The highest prevalence of tooth agenesis was observed in the mandibular second premolars. In the maxillary arch, the most common pattern of tooth agenesis was agenesis of the bilateral first and second premolars. The agenesis of the bilateral second premolars was observed in the mandibular arch. The prevalence of a symmetric pattern between the right and left quadrants was significantly higher than that of matched patterns between the maxillary and mandibular antagonistic quadrants. Approximately 16.85% of patients with nonsyndromic oligodontia were affected by other tooth-related anomalies. Conclusion The common patterns of tooth agenesis were successfully identified in patients with nonsyndromic oligodontia. Dentists need to provide multidisciplinary treatments for patients with nonsyndromic oligodontia because of variations in occluding and full-mouth tooth agenesis patterns.
nonsyndromic oligodontia / dental aplasia / tooth agenesis pattern / panoramic radiographs / statistical analysis
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