Abstract

Introduction: Various therapeutic procedures, such as cleft palate surgery, uvulopalatopharyngoplasty, nasopharyngoscopy, and nasogastric intubation, rely on the morphometric measurements of the hard palate. Additionally, it plays a crucial role in passive speech articulation. Therefore, understanding the morphological and osteological diversity of the hard palate holds clinical significance. Aim: To assess the normal and aberrant morphology and morphometry of the hard palate. Materials and Methods: The present cross-sectional study was initiated in December 2017 and completed in December 2021. It was conducted on 100 dry adult human skulls collected from the Department of Anatomy, Government Medical College, Amritsar, Punjab, India. The palate was analysed to determine the mean palatal length, breadth, and height. Additionally, the palatal index and palatal height index were calculated. Different osteological parameters of the lesser palatine foramen, including its number, distance from the greater palatine foramen, palatomaxillary suture, and interpalatine suture, were measured. Mean, standard deviation, range, and p-value were calculated for the metric parameters. Results: The mean palatal length, breadth, and height were 46.16±4.18 mm, 33.01±2.67 mm, and 11.06±1.88 mm, respectively. In the present study, 83% of skulls belonged to the leptostaphyline type, 10% to the mesostaphyline type, and 7% to the brachystaphyline type. The number of lesser palatine foramen varied from 0-2 on both sides, with predominance of a single foramen on both sides. The distances of the lesser palatine foramen from the greater palatine foramen, palatomaxillary suture, and intermaxillary suture were found to be 3.55±1.56 mm, 11.45±2.42 mm, and 17.57±3.06 mm on the right side, and 3.38±1.57 mm, 10.90±2.39 mm, and 17.47±2.99 mm on the left side, respectively. Conclusion: The data provided by this study will be helpful in various disciplines of medical, dental, and anthropometrical sciences.

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