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Background: The horizontal plates of the palatine bone, the pre-maxilla, and the palatine processes of the maxilla combine to form the hard palate, an essential part of the skull. It has an arched structure with varied depth and breadth, is widest in the molar area, and separates the oral cavity from the nasal cavity. This vital anatomical structure plays a crucial role in various forensic investigations. This study sheds light on its forensic significance, offering valuable insights for forensic scientists and anthropologists. Through meticulous analysis, this study aims to contribute to the understanding of craniofacial anatomy and its implications in forensic sciences.Future research can use the data collected from this study as a baseline in anthropometrics, dentistry, forensic sciences, and anatomy. The present study aimed to measure the morphometric characteristics of the hard palate in dried human skull bone that belonged to the North Indian population. Materials and Methods: The present study was conducted on 50 dried skulls obtained from the Department of Forensic Medicine & Toxicology and Anatomy, at Indira Gandhi Institute of Medical Sciences in Patna, Bihar. The age and sex of the skulls were not known. With the help of a digital vernier caliper, we measured the length of the hard palate, breadth of the hard palate, and height of the hard palate, palatine index (PI), and palatine height index (PHI). The obtained data was analyzed using Statistical Package for Social Sciences (SPSS, version 24.0) software. Results: The mean palatine length, breadth, and height in the present study were 46.30 ± 3.87 mm, 32.73 ± 2.66 mm, and 11.27 ± 2.03 mm, respectively. The mean values of the palatine index and palatine height index were 71.12 ± 7.80 mm and 34.66 ± 6.79 mm respectively. The most frequent type of hard palate was leptostaphyline (84%), followed by mesostaphyline (12%) according to the palatine index, while brachystaphyline type (4%) was the least commonly reported. While, the most frequent type of hard palate was orthostaphyline (62%), followed by hypsistaphyline (20%) according to the palatine height index, while the chemostaphyline type (18%) was the least commonly reported. Conclusion: The study's information will be helpful in the fields of anthropometric, dental, and medical sciences. A thorough anatomical knowledge of the hard palate is essential for executing certain surgical treatments in the hard and soft palate, anthropological research, complete maxillary denture fabrication for edentulous patients, and ethnic and racial classification of crania. Oral maxillofacial surgeons may benefit from knowledge of the palatal index when performing surgery to fix a cleft palate or lip.
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