Mantri Aditya, Pandiar Deepak, Krishnan Reshma Poothakulath, Maheswari T N Uma, Evanjelin Jency P
Department of Oral Pathology and Microbiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, 600077, India.
Department of Oral Medicine and Radiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India.
Oral Radiol. 2025 Apr;41(2):190-196. doi: 10.1007/s11282-024-00789-9. Epub 2024 Nov 26.
The present radiographic study was conducted to assess the subject and tooth prevalence of dilaceration in a cohort of Tamil population aided by morphometric analysis.
After obtaining clearance from institutional human ethical clearance committee, 575 panoramic radiographs were retrieved. After exclusion of 233 radiographs based on the inclusion and exclusion criteria, a total of 342 panoramic radiographs were included. The angulation was estimated on Angle Meter software and categorized into three classes as mild, moderate and extreme. The data were recorded on Microsoft Excel spreadsheet 2021, and descriptively analyzed using IBM SPSS software.
Of the 342 subjects, there were 172 males and 170 females (1.012M:1F). Overall mean age was 33.75 ± 13.86 years. 100/342 subjects showed dilaceration in one or more teeth yielding a subject prevalence of 29.24%. There was no statistically significant difference in age and gender between the individuals who showed dilaceration and those without. The tooth prevalence was 1.49% (150/10089). The mandibular third molars were the most commonly affected teeth. Further, 97/150 teeth were mildly dilacerated (64.67%), 34/150 teeth showed moderate dilaceration (22.67%) and extreme dilaceration was noted in 19 teeth (12.66%).
Within the limits of the present study, we reported morphometric analysis of dilacerated teeth from South Indian population after examination of permanent 10,089 teeth from 342 panoramic radiographs. Mandibular third molars were the most commonly affected teeth, which led us to speculate that dilaceration is a true developmental anomaly, unrelated to trauma or other external stimuli.
本影像学研究旨在通过形态计量分析评估一组泰米尔人群中牙折的个体及牙齿患病率。
在获得机构人类伦理审查委员会的批准后，检索了575张全景X线片。根据纳入和排除标准排除233张X线片后，共纳入342张全景X线片。在角度测量软件上估计角度，并分为轻度、中度和重度三类。数据记录在Microsoft Excel电子表格2021中，并使用IBM SPSS软件进行描述性分析。
在342名受试者中，男性172名，女性170名（男女性别比为1.012:1）。总体平均年龄为33.75±13.86岁。100/342名受试者的一颗或多颗牙齿出现牙折，个体患病率为29.24%。出现牙折的个体与未出现牙折的个体在年龄和性别上无统计学显著差异。牙齿患病率为1.49%（150/10089）。下颌第三磨牙是最常受影响的牙齿。此外，150颗牙齿中97颗为轻度牙折（64.67%），34颗为中度牙折（22.67%），19颗为重度牙折（12.66%）。
在本研究范围内，我们在检查了342张全景X线片中的10089颗恒牙后，报告了对南印度人群中牙折牙齿的形态计量分析。下颌第三磨牙是最常受影响的牙齿，这使我们推测牙折是一种真正的发育异常，与创伤或其他外部刺激无关。
