To investigate palatal rugae patterns in females and. Special software was designed called the palatal rugae comparison software pr s version 2. Palatal rugae patterns as bioindicators of identification. Palatal rugoscopy was first proposed in 1932 by the spanish investigator trobo hermosa. A pilot cross sectional study of palatal rugae shape and. Dec 17, 2015 palatal rugae retain their shape throughout life and hence can be useful as an identification tool. A classification of 14 was established and the peak incidence was class ii at 48. Studies have demonstrated that no two individuals rugae patterns are alike in their arrangement and the characteristic rugae pattern of the palate does.
Definition forensic odontology is the application of dental science to the administration of the law and the furtherance of justice. Forensic odontologists, to aid in the victim identification process, utilize closeup photos of the victims lip prints cheiloscopy. Assessment of palatal rugae pattern and their reproducibility for. Written by a team of wellestablished, active practitioners in the field, forensic odontology is invaluable for those needing an introduction to the subject for the general dental practitioner who has an interest in forensic dentistry and is contemplating practicing in the field. Palatal rugae pattern of an individual may be considered as a useful adjunct for sex determination for identification purposes. In forensic odontology dentists play a major role in sustaining legal and criminal issues. Pdf establish a persons identity can be a very complex process, one of the main objectives of the forensic sciences. Palatal rugae patterns have unique characteristics and have been proposed as an alternative method to establish identity when other means, such as fingerprints and dental records, are not attainable. Several research studies with application of software technology to identify an individual has been proposed and found to give very reliable results.
Learn forensic odontology with free interactive flashcards. Human identification heavily relies on the quality of. Palatal rugae retain their shape throughout life and hence can be useful as an identification tool. Palatal rugae are ridges on the anterior part of the palatal mucosa on each side of the midpalatal raphe behind the incisive papilla a useful method of identification in edentate individuals. Application of palatal rugae morphology in forensic. Palatal rugae patterns as bioindicators of identification in. According to the american society of forensic odontology, forensic odontology is by definition, the application of dental science to the law, i. Jaisingh r 2016 palatal rugae patterns as an adjuvant to gender determination in forensic identification procedures in a paediatric population. This paper is going to explain the role of palatal rugae in the forensic odontology as in certain situations, if teeth are lost due to any reason, then the use of human palatal rugae has been suggested as an alternative method for identification.
Review article forensic odontology in the era of computer. Palatal rugae pattern is highly individual specific. The science of dentistry as related to the law is known as forensic dentistry or forensic odontology. Computerized recording of the palatal rugae pattern and an evaluation of its application in forensic identification. One hundred patients, consisting of 50 males and 50 females, who received treatment between january 2015 and june 2015 at shanxi me dical. This case report aims to evaluate the palatal rugae pattern in a pair of identical twins, to assess the related rugae features, and to 3dcompare rugae target points with. A tool for sex identification in forensic odontology article pdf available in research journal of pharmaceutical, biological and chemical sciences 63. Palatal rugae pattern can be used for forensic identification of oral soft tissue and this study proposes a new means for the identification by coding of palatal rugae pattern based on the shape, quantity, location and distribution. Matching palatal rugae patterns before and after orthodontic treatment. An accessible, essential introduction to forensic odontology. The study of identical twins can point out potential limitations in biometrics and forensic odontology. Ppt forensic odontology powerpoint presentation free to. In this paper, we present our understanding of the limitations in various methods employed in forensic odontology. It can be used in various fields such as sex determination, orthodontics and forensic odontology.
Palatal rugoscopy implementation in forensic odontology. The accuracy rate of matching palatal rugae pattern for in dividual identification using the digital recognition image system was 100 %. A tool for sex identification in forensic odontology. Palatal rugae patterns as a bioindicator for forensic.
Palatal rugae classification of thomas and kotze 18. Palatal rugae a finger print of oral cavity open access. Palatal rugae appear to possess the features of an ideal forensic identification parameter, that is, uniqueness, postmortem resistance, and stability. Forensic odontology can be defined as a branch of dentistry which deals with the appropriate handling and examination of dental evidence and. Forensic odontology is a specialty in dentistry which occupies a primary niche within the total spectrum of methods applied to medicolegal identification. To evaluate the role of different morphological palatal rugae patterns palatal print as a tool for personal identification. So both palatal rugae and lip grooves can be used successfully in human identification. A pilot crosssectional study was carried out on 60 egyptian subjects and 60 malaysian subjects. Palatal rugoscopy or rugoscopy is the study of the pattern on the palatal rugae to identify a person. Forensic odontology forensic medicine that deals with teeth and marks left by teeth identifying criminal or remains of deceased person proper handling, examination and evaluation of dental evidence, which will be presented for the intent of justice. The palatal rugae in identification useful in edentulous persons rugae patterns like teeth are considered unique to an individual rugae patterns on the decedents maxilla or maxillary dentures may be compared to old dentures that may be recovered from the decedents residence, or plaster model from dental office 26. Thus the use of human palatal rugae has also been suggested as an alternative method of identification. Palatal rugae, personal identification, forensic odontology, orthodontic movement.
Palatoscopy or palatal rugoscopy, is the name given to the study of palatal rugae in order to establish a persons individuality. Forensic odontology definition of forensic odontology by. The study of palatal rugae pattern for identification is described as rugoscopy. Jun 22, 2012 palatal rugae are anatomical wrinkles or folds called plica palatine, the asymmetrical connective tissue located on the anterior third of the palate behind the incisive papilla. Summary a sample of 575 palatal casts was studied and found to possess varying degrees of papillary convolutions between and around the palatal rugae.
Palatal rugae and their role in forensic odontology wiley online. The present study aimed at analyzing the differences in rugae pattern among kodavas and tibetan populations of coorg, india and to examine if there was a difference in the rugae pattern between males and females within each group. To investigate the feasibility of application of digital images of the palatal rugae in forensic identification. In addition, show a significant association between shapes and ethnicity. Forensic odontology free download as powerpoint presentation. Palatal impressions were taken from the subjects and a rugogram was. No palatal appliances were worn and no irritative influence was present. Palatine rugae and their significance in clinical dentistry.
All were above 6 years old, nonsmokers and were sharing the same dietary habits. Palatal rugae pattern is unique to an individual and it can therefore be used in establishing identity which can be an adjunct in forensic medicine provided antemortem data are available. Forensic odontology deals with human identification based on dental records, bitemarks, lip print, tooth print, and palatal rugae pattern. Forensic odontology is the application of dentistry to the investigation of crime and medicolegal investigations. A demographic study of palatal rugae patterns among north and. These discrepancies associated with various methods are to be weighed cautiously to make forensic odontology a more accurate, reliable, and reproducible investigatory science. Request pdf palatal rugae and their role in forensic odontology establishing a persons identity can be a difficult task in cases of traffic accidents or in mass disaster situations. The accuracy rate of matching palatal rugae patterns before and after orthodontic. To determine the stability of the palatal rugae during fixed orthodontic treatment and to verify the accuracy rate of identification by comparing the rugae patterns on preoperative. It has its main applications in the identification of corpses and human remains and in bite mark analysis. Introduction forensic odontology is a specialty in dentistry which occupies a primary niche within the total spectrum of methods applied to medicolegal identification.
Morphological study of palatal rugae in a sudanese population. Since the study of lysell7 1955 specific anatomical investigations on the palatal rugae pattern. The text is supplemented by numerous highquality figures, many of them in color. Existing studies on the palatal rugae pattern have addressed the comparative anatomy 6, genetics and heredity7,12, forensic dentistry6,7,12,1417 growth and orthodontic studies15,1822, dental prosthodontics and anthropology. So both palatal rugae and lip grooves can be used successfully in human identification4. Palatal rugoscopy implementation in forensic odontology a. Papillarity of the palatal mucosa, journal of oral. Rugae patterns have been studied for various purposes, in the field of anthropology, comparative anatomy, genetics, forensic odontology, prosthodontics and orthodontics. These rugae patterns are studied for various purposes, mainly in the fields of anthropology, genetics, orthodontics, prosthodontics, and forensic science. Palatal rugae are irregular, asymmetric ridges of mucous membrane extending lateral from the incisive papilla and the anterior part of the median palatal. In many circumstances fingerprint or dental record identification is difficult, so the alternate sources may be the palatal rugae, which are used in human identification. Download as ppt, pdf, txt or read online from scribd. Palatal rugae for the construction of forensic identification. Palatal rugoscopy, or palatoscopy, is the process by which human identification can be obtained by inspecting the transverse palatal rugae inside the mouth.
Delineation of palatal rugae the delineation of palatal rugae was divided into three parts, including the entire size of the papilla, contour of rugae and length of the median palatal raphe, and was performed with 0. Table 2 shows the rugae classification proposed by lysell 17 and posteriorly modified by tho. Forensic odontology can be defined as a branch of dentistry. Scribd is the worlds largest social reading and publishing site. Oct 18, 2015 however, since they cannot always be used, sometimes simple techniques can be used successfully in human identification, such as palatal rugoscopy, which is the study of the palatal rugae caldas et al.
Figure 217 points plotted manually on the image of palatal rugae. A free powerpoint ppt presentation displayed as a flash slide show on id. Importance of palatal rugae in individual identification. Jan 22, 20 a product of the american society of forensic odontology, the manual of forensic odontology, fifth edition provides comprehensive and uptodate information involving all facets of forensic dentistry and explores critical issues relating to the scientific principles supporting the fields evaluations and conclusions. Forensic odontostomatology scientific research publishing. Palatine rugae can be used as internal dentalcast reference points for quantification of tooth migration in cases of orthodontic treatment. Choose from 190 different sets of forensic odontology flashcards on quizlet. Review article forensic odontology in the era of computer and. This new edition is edited by a past president of the american board of forensic odontology and a past chair of the odontology section of the american academy of forensic sciences. Acc to lysell, primary rugae 5mm secondary rugae 35 mm fragmentary rugae 2 palatal rugae in forensic identification. The manual has been an important source of forensic dentistry information for more than 20 years. Palatal impressions were taken from the subjects and a rugogram was issued.
The accuracy rate of matching palatal rugae pattern for individual identification using the digital recognition image system was 100 %. The dna identification of postmortem dental pulp tissue relating to a deceased individual or a living relative is the ultimate criterion of positive association of forensic recognition, as other means of identification become less effective, forensic dental identification increases in importance. Palatal rugae are well preserved even after severe burns. Other features of the book are a series of highprofile cases, clear advice on the writing of legal reports, and discussion of the significance of dna and oral fluid in forensic odontology. Analysis of palatal rugae morphology before and after.
However, since they cannot always be used, sometimes simple techniques can be used successfully in human identification, such as palatal rugoscopy, which is the study of the palatal rugae caldas et al. Palatal rugae and their role in forensic odontology request pdf. Research article open access palatal rugae patterns as an. Personal identification is a difficult issue, involving different disciplines, from forensic odontology to genetics.
This study was conducted to determine the morphological characteristics of palatine rugae and to assess the existence of side asymmetry in them in sudanese arabs. Ppt forensic odontology powerpoint presentation free. This chapter focuses on the role of palatal rugoscopy in forensic odontology. Studying additional biometric traits such as the palatal rugae pattern to differentiate between identical twins is an important focus in biometrics and forensic odontology. Identification of individuals is a challenging task in forensic odontology. Palatal rugae and their role in forensic odontology jain. The aim of the study is to investigate the potential of using palatal rugae as an aid for sex identification in bengaluru population. In circumstances where identification of an individual by fingerprint or dental record comparison is difficult, the palatal rugae may be considered as an alternative source. Evidencebased forensic dentistry in searchworks catalog. Palatal rugae are anatomical wrinkles or folds called plica palatine, the asymmetrical connective tissue located on the anterior third of the palate behind the incisive papilla.