Differentiation between palatal rugae patterns of twins by. Palatal rugae patterns in australian aborigines and caucasians kapali, sunita. 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. Because of its anatomic position, rugae are protected from thermal insults by the tongue and buccal pad of fat.
Palatal rugae pattern of an individual may be considered as a useful adjunct for sex determination for identification purposes. A comparative study of palatal rugae patterns among igbo. Identification of palatal rugae pattern is based on classification by thomas et al. 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%. Palatal rugae appear in the 3rd month of intrauterine life. B mouse rugae pattern with numbering used in this study. Fifty plaster casts were examined for first and third rugae shape evaluation. The objective of present study was to determine if there is an association between the palatal rugae pattern and angles classes of malocclusion. Assessment of size, shape, and position of palatal rugae. The aim was to determine the gender differences in rugae pattern with regards to the length, number, and shape. Hence the pattern of palatal rugae is unique to each individual and that it can therefore be used in establishing identity. Assessment of the stability of the palatal rugae in a 3d. Due to the stability and uniqueness of the palatal rugae pattern, it has been considered as.
The chord area in figure 3 represents the palatal rugae. Pdf palatal rugae pattern as an aid for personal identification. 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. Rugae pattern remain unchanged during an individuals life time. However, reports of the validity of the technique are conflicting. Palatal rugae patterns in orthodontically treated cases. Each families consists of father, mother and their child boy or girl. A study of the palatal rugae pattern among male female and. Mouse adult ruga pattern and its visualization in the fetus by in situ hybridization against shh gene. 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. One hundred plaster casts equally distributed between males and females belonging to age range of 416. Design and development of a palatal rugae based biometric identification system by. A study of palatal rugae pattern rugoscopy in an egyptian population. Rugae pattern in a saudi population sample of males and females.
Study of palatal rugae pattern of rwandan patients. Palatal rugoscopy is the study of 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. Statistical analysis using student ttest was applied for comparing the number of palatal rugae between right and left sides. Thus, only individuals with normal, wellformed oral structures and a reasonable complement of teeth were selected31. Palatal rugae patterns among the indians at manipal, india. Palatal rugoscopy, or palatoscopy, is the process by which human identification can be obtained by inspecting the transverse palatal rugae inside the mouth. Palatal rugae patterns in australian aborigines and caucasians. Palatoscopy or palatal rugoscopy is the name given to the study of palatal rugae in order to establish a persons identity. Palatal rugae patterns in australian aborigines and. The present study was conducted from random sampling of university of port harcourt. Conversion of palatal rugae pattern to scanable quick.
Palatal rugae pattern analysis has been employed successfully in positive human identification. According to the coordinates of the selected feature points, the relative positions are compared, and the direction. Bilateral differences in the regressive evaluation of the palatal rugae. 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.
The aim of this study was to identify and compare the rugae pattern of igbo and ikwerre populations in nigeria for human identification purposes. They also assessed that the morphology of palatal rugae remains stable throughout life and carefully assessed rugae pattern has definite role in forensic practice. Palatal rugae\ud pattern was recorded using an alginate impression\ud material and appropriate metal tray for all sample. The length, pattern and orientation of three anteriormost primary rugae on both sides were recorded. But none of the pattern shows a statistically significant association between the different patterns with gender. The association between palatal rugae pattern and dental. Palatal rugae complete its development during early intrauterine life, whereas dental malocclusions in permanent dentition establishes several years into the postnatal life. 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. Palatal rugae pattern in varied adult indian population of males. It has been shown that palatal rugae are unique to every person so they are useful in forensic identification.
Rugoscopy or palatoscopy is the study of palatal rugae in order to establish a persons identity. Palatal rugae patterns in a sudanese population sample. Palatal rugae pattern was recorded using an alginate impression material and appropriate metal tray for all sample. The individualized pattern of palatal rugae makes it a reliable guiding tool in forensic. A the roof of the oral cavity of an adult mouse showing the palatal ridges rugae palatinae on the hard palate. There is no published information or data base recording the pattern of palatal rugae among sudanese. Ramaiah university of applied sciences, bengaluru, karnataka, india 2 faculty of dental sciences, m. The present studys aim was to assess the pattern of palatine ridgesrugae to identify gender. The overall percentage of correct matches by observers in palatal rugae pattern between the casts of pre and postoperative orthodontic patients was 88. Shwetha and others published palatal rugae pattern in mysorean and tibetan find, read and cite all the research you need on researchgate. Although some changes do occur in the rugae during orthodontic treatment, the morphology of palatal rugae remains stable throughout life. Rugoscopy involves the study of palatal rugae pattern for human identification.
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. Differentiation between palatal rugae patterns of twins by means of the rinon method and an improved technique not exhibit the same palatal rugae pattern. The anatomical folds of rugae those are located on the anterior third of palate behind the incisive papillae. Rugae pattern determination in health and periodontal. Their pattern of orientation is established early in life and remains stable thereafter. Pdf, numeric inspection data, annotated userdefined views, notes, and conclusions. Analysis of palatal rugae morphology before and after. The uniqueness of palatal rugae as an aid for personal identification was the sole objective of this study.
Effects of various dental treatment modalities on rugae pattern were also assessed. An aid for sex identification prahlad gadicherla 1, divya saini 1, milana bhaskar 2 1 department of pedodontics and preventive dentistry, m. Palatal rugae pattern is highly individualspecific. Pdf study of palatal rugae pattern in gender identification. Palatal rugae pattern of an individual is species specific and is said to be as unique as finger print. This work aimed to characterize the palatal rugae patterns in a portuguese population. Ho wever, some events can contribute to changes in rugae pattern, including trauma, extreme finger sucking in infancy, and. The study of palatal rugae is known as palatal rugoscopy. Patterning of palatal rugae through sequential addition. 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. Palatal rugoscopy is the name given to the study of palatal rugae.
They are also known as plica palatine, and the study of these patterns is called palatoscopy. This study is a cross sectional study that carried out on 20 families. Assessment of different palatal rugae patterns in gender. The present study is an attempt to determine the differences in the rugae pattern among the indian males and females in a small. The palatal rugae are considered a useful human identification marker for both orthodontists and forensic personnel. Palatal rugae patterns of urhobos in abraka, south. 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 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. Design and development of a palatal rugae based biometric. To analyze differences in the palatal rugae patterns and maxillary. 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.
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. It can be used in various fields such as sex determination. They are also known as plica palatine, and the study of these patterns is called palatal rugoscopy. Palatal rugae patterns of urhobos in abraka, southsouthern nigeria. Rugae pattern are widely considered to remain unchanged during an individuals lifetime. 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. Rugoscopy finds application in the field of anthropology, comparative anatomy, genetics, forensic odontology, prosthodontics and orthodontics. Palatal rugae have been related with specific racial groups and are said to be useful in sex discrimination. Frprshape pattern, and the accuracy of palatal pattern measurement in 3d. Ramaiah university of applied sciences, bengaluru, karnataka, india.
Palatal rugae patterns as bioindicators of identification. Palatal rugae patterns can have a significant role in forensic identification when it is difficult to use the normal identification methods. To examine the palatal rugae pattern in dentulous and edentulous individuals. Palatal rugae patterns in edentulous cases, are they a. Pdf palatal rugae patterna tool in gender determination. The pattern of palatal rugae in submucous cleft palates. 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. Thetotal number, length, shape and unification of the palatal rugae patterns were analysed for the right and left side of the palate. This preliminary study undertaken showed the existence of a distinct pattern of distribution of palatal rugae between males and females of bengaluru population. The number of palatal rugae was recorded, bilaterally. A total of subjects were enrolled in the study and divided into five. Palatal rugae patterning in a modern indonesian population. The purpose of this study is to determine any gender difference in palatal rugae pattern.
Palatal rugae patterns are relatively unique to an individual and are well protected by the lips, buccal pad of fat. 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. Aim the study is toanalyze and identify the differences in the palatal rugae patterns in males, females, families. The aim was to identify the gender by comparing the rugae patterns in males and females corresponding to number, shape and size. This study showed that each individual has a different and unique palatal rugae pattern. Pdf palatal rugae pattern in korean children and adolescents. Rugae duplication different techniques of customizing. The percentage of correct matches for each case was 74. The aim of the study is to investigate the potential of using palatal rugae as an aid for sex identification in bengaluru population. Research on correction method of palatal rugae morphology. Palatal rugae patterns among a sudanese population sample. Palatine rugae are unique to individual can therefore be used for individual identification in forensic odontology.
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