Research article palatal rugae biometric characteristics. The recorded data was compiled and entered in a spreadsheet microsoft excel and then exported to data editor of spss version. Kapali and colleagues 43 studied the palatal rugae pattern in australian aborigines and whites. Spectrogram analysis of complete dentures with different.
Pdf forensic odontology is a relatively new science that utilizes the dentists knowledge to serve the judicial system. Morphological pattern of palatal rugae in children of. Evaluation of palatal rugae pattern in establishing. Palatal rugae patterns as bioindicators of identification.
Dental arch length and arch width also show variation with different races and gender. Additionally, palatal rugae can withstand decay for up to 7 days after the persons death. 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. 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. Palatal rugae serve as a reference landmark and could be used in the identification. The initiation and termination points of rugae were marked on all 100 images of clinical photographs using ms paint version 5. The accuracy rate of matching palatal rugae patterns before and after orthodontic. Most commonly rugae refers to the gastric rugae of the internal surface of the stomach function. These rugae are present on each side of the median palatal raphe and behind the incisive papillae. It has been accepted for inclusion in journal of dentistry indonesia by an authorized editor of ui scholars hub. 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.
Palatal rugae pattern is highly individual specific. Association between direction patterns of palatal rugae and. Matching palatal rugae patterns before and after orthodontic treatment. Developmental association of palatal dimensions and. Assessment of size, shape, and position of palatal rugae. Differences in the palatal rugae shape in two populations of india.
Research article open access palatal rugae patterns as an. The role of forensic science in establishing the personal identity is based on dna analysis, finger print and dental analysis. The total number of rugae observed in the study population were 783. Palatal rugae pattern were examined in both the sexes on right and left. Compare the accuracy of four methods of acquisition of palatal rugae pr characteristics. Pdf establish a persons identity can be a very complex process, one of the main objectives of the forensic sciences. 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. Rajendra human identification is an import ant aspect of forensic scienc es and various methods such. Although some changes do occur in the rugae during orthodontic treatment, the morphology of palatal rugae remains stable throughout life. Thus the palatal rugae pattern of an individual may be considered as a viable alternative for. Palatal rugae appear to possess the features of an ideal forensic identification parameter, that is, uniqueness, postmortem resistance, and stability. The length, pattern and orientation of three anteriormost primary rugae on both sides were recorded.
Center for dental studies and research, muradnagar, ghaziabad, uttar pradesh, india 2 department of oral and maxillofacial pathology and. Average number of rugae found in each individual was 8. 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. Kwang ho lee and ka young chang department of anatomy, chungbuk national university college of medicine cheongju 360 763, korea.
Evaluation of palatal rugae pattern in establishing identification and sex determination in nalgonda children. Morphological pattern of palatal rugae in children of davangere. Identification of individuals using computer technique. Design and development of a palatal rugae based biometric identification system by essa a. In anatomy, rugae are a series of ridges produced by folding of the wall of an organ. Assessment of the stability of the palatal rugae in a 3d. Palatal rugae pattern of an individual may be considered as a useful adjunct for sex determination for identification purposes.
Pdf to record and compare the palatal rugae patterns between males and females population, using discriminant functional analysis. Analysis of palatal rugae morphology before and after. Palatoscopy or palatal rugoscopy is the study of palatal rugae in order to establish a persons identity. A tool for sex identification in forensic odontology. 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 have been related with specific racial groups and are said to be useful in sex discrimination. The palatal rugae are considered a useful human identification marker for both orthodontists and forensic personnel. The palatal rugae in patients with schizophrenia had a more random distribution and shape compared to the control group p. The palatine rugae and the ip often can serve as a cue. Palatal rugae analysis may serve as an important aid in forensic. Palatal rugae definition of palatal rugae by the free. Palatine rugae and their significance in clinical dentistry. 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. Abstract aims this study aimed to investigate the morphology of the palate, palatal rugae pattern, and dental arch form in patients with.
The number of palatal rugae was recorded, bilaterally. When the forensic remains are decomposed making all these sources, unavailable palatal rugae served as an important aid as it is resistant to heat and placed deep inside the oral cavity in a secure environment. Limitations of the present study were manual tracing of palatal rugae for the assessment of. Palatal rugae patterns of urhobos in abraka, southsouthern nigeria. 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. In the hard palate there may be fusion of the capsule with the periosteum, so jpda vol. Effect of palatine rugae on phonetic adaptation in. Palatal rugae characteristics and its relationship with. Application of palatal rugae morphology in forensic. Palatal rugae were recorded on maxillary casts of all subjects and. Palatal rugae as an aid for personnel identification 1. The accuracy rate of matching palatal rugae pattern for individual identification using the digital recognition image system was 100 %. This preliminary study undertaken showed the existence of a distinct pattern of distribution of palatal rugae between males and females of bengaluru population. The principal aim of the present study was to evaluate the stability of palatal.
In 50 females, a total number of 397 rugae were identified with the. 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. 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. 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. They observed the number, length, shape, direction and unification of rugae. Study of the normal development of rat palatal rugae and. Hence the pattern of palatal rugae is unique to each individual and that it can therefore be used in establishing identity. 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. Forensic odontology has proven that palatal rugae are preserved in such conditions and can be used for personal identification and sex determination. Evaluation of rugae pattern in individuals of a known population. Produced with the front of the tongue near or against the hard palate, as the in english young. Differentiation between palatal rugae patterns of twins by.
Forensic odontology, human identification, palatal rugae. For this purpose, a special software was designed called palatal rugae comparison software prcs version 2. A study of palatal rugae pattern among north and south indian. Pdf importance of palatal rugae in individual identification. Morphology of the palate, palatal rugae pattern, and.
Palatal rugae pattern and number, direction of rugae alignment, shape of. Rugae are anatomical folds or wrinkles, the irregular fibrous connective tissue located on the anterior third of the palate, behind. The most common intra oral defects are in the form of cleft or opening in the palate. Many studies have been conducted to identify gender using palatal rugae pattern,4. Sharad c purohit 1, vandana shah 2, bs manjunatha 3, keshav handge 2, n mahita reddy 2, and shital kumar gs 1. Evaluation and comparative study of palatal rugae, arch. Rugae duplication different techniques of customizing.
Unknown persons identification has always been a major challenge for forensic experts, especially when dealing with decomposed and mutilated corpses. Rugae duplication different techniques of customizing palatal rugae in maxillary complete denture to enhance phonetics dr. Palatal rugae and their role in forensic odontology jain. Palatal rugae patterns of urhobos in abraka, south. This work aimed to characterize the palatal rugae patterns in a portuguese population. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Palatal rugae characteristics and its relationship with angles. Palatoscopyrugoscopy is the study of palatal rugae that helps in sex determination. The palatal rugae act as an ideal for identification as it present in all victims and. Three completely edentulous male patients aged 5060 years were selected for reading a paragraph. Department of pedodontics and preventive dentistry, bapuji dental college and hospital, davangere 577004, karnataka, india. Morphology of the palate, palatal rugae pattern, and dental arch.
Palatal rugae plica palatinae transversae refer to a series of transverse ridges on the anterior part of the palatal mucosa. Palatal rugoscopy implementation in forensic odontology. Rugae folds behind the anterior teeth in the hard palate of the mouth. Palatal rugae patterns in australian aborigines and caucasians. Palatal rugae as an aid for personnel identification. Design and development of a palatal rugae based biometric. 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 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. 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. Fifty plaster casts were examined for first and third rugae shape evaluation.
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