Use of palatine rugoscopy as biometric tool: a population study in Niteroi, RJ, Brazil

Introduction: Researches by auxiliary biometric methods for skills have grown in Forensic Dentistry.Objective:This study evaluated the effectiveness of palatal rugoscopy in human identification.Material and method: They were used 184 plaster models of students volunteers in Niterói, RJ, performing the design of their palatal rugae sorted by amount, direction (Carrea's pattern) and individual format (Silva's pattern) and compared to the demographic variables gender, skin color and age. Statistical analysis was performed using chi-square test for independent samples and considering p<0.05.Result: There was a higher prevalence of 2-7 rugae in men. Carrea's pattern IV and Silva's pattern 1 were evident, but no significant intergroup differences in accord to the proposed variables.Conclusion: The palatal rugoscopy is a practicable biometric tool and it provides relevant individual morphological information, although its blind and one-time analysis not displays accurancy in population stratification.

Introduction: 法医牙科学领域中，用于个人身份识别的辅助生物特征检测方法相关研究日益增多。Objective: 本研究评估了腭皱襞检查（palatal rugoscopy）用于人体身份识别的有效性。Material and method: 本研究纳入了来自里约热内卢州尼特罗伊市的184名学生志愿者的石膏模型，研究者依据腭皱襞的数量、走行方向（Carrea分型）及个体形态特征（Silva分型）对其进行分类，并将分类结果与性别、肤色、年龄三类人口学变量进行对比分析。统计学分析采用独立样本卡方检验，检验水准设定为p<0.05。Result: 结果显示，男性腭皱襞数量为2~7条的占比更高；Carrea分型IV型与Silva分型1型较为常见，但基于上述研究设定的变量未观察到组间存在显著差异。Conclusion: 腭皱襞检查是一项切实可行的生物特征识别工具，可提供具有参考价值的个体形态学信息；尽管其盲法单次分析在人群分层方面的准确性尚有不足，但仍具备一定的应用价值。