A tool for sex identification in forensic odontology. Kapali and colleagues 43 studied the palatal rugae pattern in australian aborigines and whites. Average number of rugae found in each individual was 8. Developmental association of palatal dimensions and. I declare that palatal rugae patterns in a sudanese population sample is my own work, that it has not been submitted before for any degree or examination in any other university, and that all the sources i have used or quoted have been indicated and acknowledged as complete references. Evaluation of palatal rugae pattern in establishing. Rugae folds behind the anterior teeth in the hard palate of the mouth. The accuracy rate of matching palatal rugae patterns before and after orthodontic. The initiation and termination points of rugae were marked on all 100 images of clinical photographs using ms paint version 5. Palatine rugae and their significance in clinical dentistry. Research article open access palatal rugae patterns as an. In 50 females, a total number of 397 rugae were identified with the. Palatal rugae are asymmetric ridges of dense connective tissues extending laterally, on both sides, from the incisive papilla and the anterior part of the median palatine raphe. Department of pedodontics and preventive dentistry, bapuji dental college and hospital, davangere 577004, karnataka, india.
Fifty plaster casts were examined for first and third rugae shape evaluation. Palatal rugae pattern of an individual may be considered as a useful adjunct for sex determination for identification purposes. For this purpose, a special software was designed called palatal rugae comparison software prcs version 2. Study of the normal development of rat palatal rugae and the role of collagen fibers in rugae development youngil hwang, wang jae lee, eun young lee. Although some changes do occur in the rugae during orthodontic treatment, the morphology of palatal rugae remains stable throughout life. Palatal rugae are one of the simple methods used by a forensic dentist in human identification due to its transverse ridges, palatal rugae a finger print of oral cavity. Design and development of a palatal rugae based biometric identification system by essa a. Palatal rugae patterns as an adjuvant to gender determination in forensic identification procedures in a paediatric population jaisingh r1 deshmukh s2 and srilatha kt3 1final year post graduate student in mds, department of pediatric dentistry, jss dental college and hospital, mysuru, karnataka, india. Differences in the palatal rugae shape in two populations of india. The length, pattern and orientation of three anteriormost primary rugae on both sides were recorded. Dental arch length and arch width also show variation with different races and gender. Forensic odontology, human identification, palatal rugae. The objectives were to record the palatal rugae characteristics prc and palatal dimensions intercanine distance icd, intermolar distance imd, palatal height ph and palatal area pa in classes i, ii and iii malocclusion patients and investigate their interrelationship, and statistically examine the possibility of predicting prc with. This preliminary study undertaken showed the existence of a distinct pattern of distribution of palatal rugae between males and females of bengaluru population.
Palatal rugae patterns of urhobos in abraka, southsouthern nigeria. Effect of palatine rugae on phonetic adaptation in. The role of forensic science in establishing the personal identity is based on dna analysis, finger print and dental analysis. Three completely edentulous male patients aged 5060 years were selected for reading a paragraph. Palatal rugae appear to possess the features of an ideal forensic identification parameter, that is, uniqueness, postmortem resistance, and stability. Assessment of palatal rugae pattern and their reproducibility for application in forensic analysis divya shetty 1, achint juneja 1, anshi jain 2, kaveri surya khanna 2, neha pruthi 2, amit gupta 2, meenakshi chowdhary 1 1 department of orthodontics, i. Kwang ho lee and ka young chang department of anatomy, chungbuk national university college of medicine cheongju 360 763, korea. The palatal rugae are considered a useful human identification marker for both orthodontists and forensic personnel. Pdf establish a persons identity can be a very complex process, one of the main objectives of the forensic sciences. Palatal rugae are elevations or asymmetric ridges,5 located in the anterior portion of the palatal mucosa, bilaterally to the median palatal raphe, never crossing the midline, and posterior to the incisive papilla, also called palatal transverse folds. Palatal rugae pattern is highly individual specific. The number of palatal rugae was recorded, bilaterally. It has been accepted for inclusion in journal of dentistry indonesia by an authorized editor of ui scholars hub.
To investigate the influence of reproduction of different thickness and palatal rugae materials on complete dentures speech using computerized speech lab csl spectrogram. Hence the pattern of palatal rugae is unique to each individual and that it can therefore be used in establishing identity. Rugae are anatomical folds or wrinkles, the irregular fibrous connective tissue located on the anterior third of the palate, behind. The association between palatal rugae pattern and dental. The palatine rugae and the ip often can serve as a cue. Produced with the front of the tongue near or against the hard palate, as the in english young. Palatal rugae pattern were examined in both the sexes on right and left.
Most commonly rugae refers to the gastric rugae of the internal surface of the stomach function. Rugae duplication different techniques of customizing. Additionally, palatal rugae can withstand decay for up to 7 days after the persons death. Palatal rugae as an aid for personnel identification. These rugae are present on each side of the median palatal raphe and behind the incisive papillae. Research article palatal rugae biometric characteristics. Palatal rugae patterns in a sudanese population sample. Palatal rugae characteristics and its relationship with angles. Rugae duplication different techniques of customizing palatal rugae in maxillary complete denture to enhance phonetics dr. Assessment of the stability of the palatal rugae in a 3d. Evaluation of palatal rugae pattern in establishing identification and sex determination in nalgonda children. Pdf to record and compare the palatal rugae patterns between males and females population, using discriminant functional analysis. The total number of rugae observed in the study population were 783. Thus the palatal rugae pattern of an individual may be considered as a viable alternative for.
Palatal rugae are ridges on the anterior part of the palatal mucosa on each side of the mid palatal raphe behind the incisive papilla a useful method of identification in edentate individuals. Dental casts of the patients were classified based on the pattern of their palatal rugae, their dental arch form, and the area of their palate. Palatal rugoscopy implementation in forensic odontology. The recorded data was compiled and entered in a spreadsheet microsoft excel and then exported to data editor of spss version. Unknown persons identification has always been a major challenge for forensic experts, especially when dealing with decomposed and mutilated corpses.
Palatal rugae patterns as bioindicators of identification. Assessment of the stability of the palatal rugae in a 3d3d. Morphological pattern of palatal rugae in children of. A study of palatal rugae pattern among north and south indian. Center for dental studies and research, muradnagar, ghaziabad, uttar pradesh, india 2 department of oral and maxillofacial pathology and. Pa l a tal rugae, also called plicae palatinae transve rs a e and rugae palatina, refer to the ridges on the anterior part of the palatal mucosa, each side of the median palatal raphe and behind the incisive papilla. Palatal rugae and their role in forensic odontology jain.
Rajendra human identification is an import ant aspect of forensic scienc es and various methods such. The current study showed subtle differences in the palatal rugae pattern among the angles classes of malocclusion. The principal aim of the present study was to evaluate the stability of palatal. Some key words palatal rugae ridges on anterior part of palatal mucosa, on each side of the mid palatine raphe and behind the incisive papilla. Pdf forensic odontology is a relatively new science that utilizes the dentists knowledge to serve the judicial system. In anatomy, rugae are a series of ridges produced by folding of the wall of an organ.
The most common intra oral defects are in the form of cleft or opening in the palate. Palatal rugae are anatomical wrinkles or folds called plica palatine, the irregular connective tissue located on the anterior third of the palate behind the incisive papilla. Association between direction patterns of palatal rugae and. Palatal rugae were recorded on maxillary casts of all subjects and.
Evaluation of rugae pattern in individuals of a known population. Pdf to record and compare the palatal rugae patterns between males. Morphological pattern of palatal rugae in children of davangere. Sharad c purohit 1, vandana shah 2, bs manjunatha 3, keshav handge 2, n mahita reddy 2, and shital kumar gs 1. Sunil dhaded2 department of prosthodontics, ames dental college, near government polytechnic college, bijengere road, raichur, karnataka. Palatal rugae as an aid for personnel identification 1.
Palatal rugae or transverse palatine folds are asymmetrical and irregular elevations of the mucosa located in the anterior third of the palate, arranged in transverse direction from palatine raphae located in midsagittal plane. Palatoscopyrugoscopy is the study of palatal rugae that helps in sex determination. Analysis of palatal rugae morphology before and after. Morphology of the palate, palatal rugae pattern, and. Acquired is due to injuries or surgical excision of tumor and congenital is due to malformation. Compare the accuracy of four methods of acquisition of palatal rugae pr characteristics. This work aimed to characterize the palatal rugae patterns in a portuguese population. Palatal rugae patterns in australian aborigines and caucasians. The accuracy rate of matching palatal rugae pattern for individual identification using the digital recognition image system was 100 %.
Palatal rugae analysis may serve as an important aid in forensic. Assiri a dissertation submitted in partial fulfillment of the requirements for the degree of doctoral of philosophy in biomedical informatics department of biomedical informatics school of health related professions. Abstract aims this study aimed to investigate the morphology of the palate, palatal rugae pattern, and dental arch form in patients with. Palatoscopy or palatal rugoscopy is the study of palatal rugae in order to establish a persons identity. Design and development of a palatal rugae based biometric. Assessment of size, shape, and position of palatal rugae. Limitations of the present study were manual tracing of palatal rugae for the assessment of. Palatal rugae patterns of urhobos in abraka, south. In the hard palate there may be fusion of the capsule with the periosteum, so jpda vol. Differentiation between palatal rugae patterns of twins by. Results of several studies show a significant association between rugae forms. Palatal rugae pattern and number, direction of rugae alignment, shape of. Palatal rugae plica palatinae transversae refer to a series of transverse ridges on the anterior part of the palatal mucosa. Matching palatal rugae patterns before and after orthodontic treatment.
Pdf importance of palatal rugae in individual identification. Palatal rugae characteristics and its relationship with. A total of 811 palatal rugae were observed in 100 subjects, almost equally divided on the left and the right side of the median. Identification of individuals using computer technique. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Application of palatal rugae morphology in forensic. They observed the number, length, shape, direction and unification of rugae. Many studies have been conducted to identify gender using palatal rugae pattern,4. Palatal rugae have been related with specific racial groups and are said to be useful in sex discrimination. Study of the normal development of rat palatal rugae and. Evaluation and comparative study of palatal rugae, arch. Palatal rugae definition of palatal rugae by the free. Spectrogram analysis of complete dentures with different. The palatal rugae act as an ideal for identification as it present in all victims and.505 341 82 40 1469 279 610 961 1397 1231 663 316 963 290 769 593 1473 267 1418 341 982 227 1136 1144 452 744 1011 1037 975 951 1365 802 1275 841 518 915 1302 937