The chord area in figure 3 represents the palatal rugae. Thus, only individuals with normal, wellformed oral structures and a reasonable complement of teeth were selected31. Rugoscopy finds application in the field of anthropology, comparative anatomy, genetics, forensic odontology, prosthodontics and orthodontics. Study of palatal rugae pattern of rwandan patients.
Palatal rugae pattern of an individual may be considered as a useful adjunct for sex determination for identification purposes. However, reports of the validity of the technique are conflicting. The aim was to identify the gender by comparing the rugae patterns in males and females corresponding to number, shape and size. They are also known as plica palatine, and the study of these patterns is called palatoscopy. Palatal rugae have been related with specific racial groups and are said to be useful in sex discrimination. The percentage distribution of the pattern\ud of palatal rugae of a child that resembles one of its\ud parents is most often found in the wavy type that is\ud in the fatherchild relationship 50%.
The aim of this study was to identify and compare the rugae pattern of igbo and ikwerre populations in nigeria for human identification purposes. Our study of submucous cleft palates and isolated clefts of the secondary palate confirms that the rugae have a characteristic pattern in these conditions, which we suggest is related to the abnormal insertion of the soft palate muscles onto the posterior border of the hard palate. The rugae pattern has the potential to remain intact by virtue of their internal position in the head when most other anatomical structures are destroyed or burned. Palatal rugae patterns are relatively unique to an individual and are well protected by the lips, buccal pad of fat. The study of palatal rugae is known as palatal rugoscopy. There is no published information or data base recording the pattern of palatal rugae among sudanese. The purpose of this study was to compare the palatal rugae patterns in 2 different populations in india madhya pradesh and kerala, and furthermore, to assess the predominant pattern if any in.
This study aimed to identify the morphological patterns of palatal rugae in a sample of sudanese dental students attending the university of science and technology. Shwetha and others published palatal rugae pattern in mysorean and tibetan find, read and cite all the research you need on researchgate. Ho wever, some events can contribute to changes in rugae pattern, including trauma, extreme finger sucking in infancy, and. Because of its anatomic position, rugae are protected from thermal insults by the tongue and buccal pad of fat. Rugae duplication different techniques of customizing. To analyze differences in the palatal rugae patterns and maxillary. The present study is an attempt to determine the differences in the rugae pattern among the indian males and females in a small. Rugoscopy or palatoscopy is the study of palatal rugae in order to establish a persons identity. The characteristics of the palatal rugae zone number of rugae, relief type, posterior limitation were investigated on the maxillary casts of 44 patients with unilateral cleft lip and palate and 28 patients with bilateral clefts by means of reflex microscopy, a threedimensional, computerassisted, touchfree measuring system for the metrical registration and analysis of the parameters. An aid for sex identification prahlad gadicherla 1, divya saini 1, milana bhaskar 2 1 department of pedodontics and preventive dentistry, m. Palatine rugae are unique to individual can therefore be used for individual identification in forensic odontology.
Palatal rugae pattern analysis has been employed successfully in positive human identification. Palatal rugae appear in the 3rd month of intrauterine life. Palatal rugae patterns in edentulous cases, are they a. The aim of the study is to investigate the potential of using palatal rugae as an aid for sex identification in bengaluru population. The uniqueness of palatal rugae as an aid for personal identification was the sole objective of this study.
Hence the pattern of palatal rugae is unique to each individual and that it can therefore be used in establishing identity. It has been shown that palatal rugae are unique to every person so they are useful in forensic identification. Ramaiah university of applied sciences, bengaluru, karnataka, india 2 faculty of dental sciences, m. 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 pr are situated in the anterior part of the hard palate and possess unique and stable characteristics that can be used in human identification. Rugoscopy involves the study of palatal rugae pattern for human identification. Palatal rugae patterning in a modern indonesian population. One hundred plaster casts equally distributed between males and females belonging to age range of 416.
This study showed that each individual has a different and unique palatal rugae pattern. 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. Palatal rugoscopy, or palatoscopy, is the process by which human identification can be obtained by inspecting the transverse palatal rugae inside the mouth. Pdf palatal rugae patterna tool in gender determination. A study of the palatal rugae pattern among male female and. Assessment of different palatal rugae patterns in gender. Palatal rugae patterns in australian aborigines and caucasians kapali, sunita. The present study was conducted from random sampling of university of port harcourt. Differentiation between palatal rugae patterns of twins by means of the rinon method and an improved technique not exhibit the same palatal rugae pattern. Straight rugae pattern is the most common pattern in both the groups and the mean number of palatal rugae and length is slightly more in men than that in women.
In this study100 subjects were randomly selected comprising 50 males and 50 females of age ranging from 17 to 25 years of student population belonging to mangalore. Palatal rugae patterns in australian aborigines and. The pattern of palatal rugae in submucous cleft palates. Rugae pattern are widely considered to remain unchanged during an individuals lifetime. The objective of present study was to determine if there is an association between the palatal rugae pattern and angles classes of malocclusion.
Frprshape pattern, and the accuracy of palatal pattern measurement in 3d. The number of palatal rugae was recorded, bilaterally. Fifty plaster casts were examined for first and third rugae shape evaluation. Ramaiah university of applied sciences, bengaluru, karnataka, india.
Effects of various dental treatment modalities on rugae pattern were also assessed. Thetotal number, length, shape and unification of the palatal rugae patterns were analysed for the right and left side of the palate. Pdf study of palatal rugae pattern in gender identification. Patterning of palatal rugae through sequential addition. Palatal rugae patterns for establishing individuality. Palatal rugae pattern is highly individualspecific. This work aimed to characterize the palatal rugae patterns in a portuguese population. Although some changes do occur in the rugae during orthodontic treatment, the morphology of palatal rugae remains stable throughout life.
Palatal rugae pattern of an individual is species specific and is said to be as unique as finger print. Research on correction method of palatal rugae morphology. Rugae pattern determination in health and periodontal. The palatal rugae are considered a useful human identification marker for both orthodontists and forensic personnel. Analysis of palatal rugae morphology before and after. It can be used in various fields such as sex determination. Personal identification can be possible based on the rugae pattern since palate would remain intact till 7 days after death, due to their internal position in the head when most other anatomical structures are destroyed or burned. 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. According to the coordinates of the selected feature points, the relative positions are compared, and the direction. Palatal rugae patterns in a sudanese population sample. The length, pattern and orientation of three anteriormost primary rugae on both sides were recorded. 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. Palatal rugae patterns among the indians at manipal, india.
Palatal rugoscopy is the name given to the study of palatal rugae. The percentage of correct matches for each case was 74. Palatal rugae patterning has been suggested as useful complementary information for forensic purposes, when there are limitations in using the primary identifiers and when the individual patterning from e. The overall percentage of correct matches by observers in palatal rugae pattern between the casts of pre and postoperative orthodontic patients was 88. Pdf palatal rugae pattern in korean children and adolescents. Design and development of a palatal rugae based biometric identification system by. Rugae pattern remain unchanged during an individuals life time. Due to the stability and uniqueness of the palatal rugae pattern, it has been considered as. Palatal rugoscopy is the study of palatal rugae pattern. Identification of palatal rugae pattern is based on classification by thomas et al. The individualized pattern of palatal rugae makes it a reliable guiding tool in forensic. Statistical analysis using student ttest was applied for comparing the number of palatal rugae between right and left sides. Rugae pattern in a saudi population sample of males and females.
A study of palatal rugae pattern rugoscopy in an egyptian population. The aim was to determine the gender differences in rugae pattern with regards to the length, number, and shape. Aim the study is toanalyze and identify the differences in the palatal rugae patterns in males, females, families. Their pattern of orientation is established early in life and remains stable thereafter. Differentiation between palatal rugae patterns of twins by. Assessment of the stability of the palatal rugae in a 3d. They are also known as plica palatine, and the study of these patterns is called palatal rugoscopy. 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. A comparative study of palatal rugae patterns among igbo. Bilateral differences in the regressive evaluation of the palatal rugae. To examine the palatal rugae pattern in dentulous and edentulous individuals. Palatal rugae patterns of urhobos in abraka, south. Palatal rugae patterns in orthodontically treated cases. Mouse adult ruga pattern and its visualization in the fetus by in situ hybridization against shh gene.
Palatal rugae patterns as bioindicators of identification. The present studys aim was to assess the pattern of palatine ridgesrugae to identify gender. Each families consists of father, mother and their child boy or girl. Palatal rugae pattern in varied adult indian population of males. Palatal rugae patterns in australian aborigines and caucasians. Palatal rugae pattern was recorded using an alginate impression material and appropriate metal tray for all sample. Palatal rugae patterns can have a significant role in forensic identification when it is difficult to use the normal identification methods. Palatal rugae patterns among a sudanese population sample. They also assessed that the morphology of palatal rugae remains stable throughout life and carefully assessed rugae pattern has definite role in forensic practice. Pdf palatal rugae pattern as an aid for personal identification. Pdf, numeric inspection data, annotated userdefined views, notes, and conclusions. The association between palatal rugae pattern and dental.
A the roof of the oral cavity of an adult mouse showing the palatal ridges rugae palatinae on the hard palate. Assessment of size, shape, and position of palatal rugae. Palatal rugae patterns of urhobos in abraka, southsouthern nigeria. A total of subjects were enrolled in the study and divided into five. Palatal rugae complete its development during early intrauterine life, whereas dental malocclusions in permanent dentition establishes several years into the postnatal life. This study is a cross sectional study that carried out on 20 families. Conversion of palatal rugae pattern to scanable quick. Palatoscopy or palatal rugoscopy is the name given to the study of palatal rugae in order to establish a persons identity. Design and development of a palatal rugae based biometric. Palatal rugae\ud pattern was recorded using an alginate impression\ud material and appropriate metal tray for all sample. 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. B mouse rugae pattern with numbering used in this study. The anatomical folds of rugae those are located on the anterior third of palate behind the incisive papillae. The purpose of this study is to determine any gender difference in palatal rugae pattern.
456 936 444 804 1421 1186 751 777 333 1017 833 397 1346 1176 936 837 1476 1541 1222 465 946 1477 1177 1060 1288 1084 198 1375 427 1144 373 1185 555 1335 672 11 1144