The changes identified in the distances from the lateral palatal rugae points of the first and third rugae to the incisal. Patterning of palatal rugae through sequential addition. Assessment of size, shape, and position of palatal rugae. In general, no bilateral symmetry exists in the rugae pattern. The production of palatolingual group of sound involve the contact between tongue and the palate. Palatal rugae are structures located on the palate and are formed in the third month of intrauterine life. Instability of palatal rugae following rapid maxillary. Palatal rugae pattern is highly individual specific. The mean number of primary rugae in aborigines was higher than in caucasians, although more primary rugae in caucasians exceeded 10 mm in length than in aborigines. Palatal rugae protrusions are mainly dense connective tissue, and palatal rugae. R3mr most medial end point of the third palatal rugae on the subjects right side.
Effect of palatine rugae on phonetic adaptation in complete. Palate is fornix shaped and trapped by dental arch. A comparative study of palatal rugae patterns among igbo and. The changes identified in the distances from the lateral palatal rugae points of the first and third.
Effect of palatine rugae on phonetic adaptation in. Palatal rugae patterns in a sudanese population sample. Assessment of the stability of the palatal rugae in a 3d3d. Pdf on dec 30, 2019, nahee kim and others published palatal rugae pattern in korean children and adolescents find, read and cite all the research you need on researchgate. The present study was conducted from random sampling of university of port. Rugae pattern remain unchanged during an individuals life time. Produced with the blade of the tongue near the hard palate, as the ch in. Changes in rugae patterns have been assumed to result from pala al growth but alterations in pattern were observed in the aboriginal sample even after palatal growth had ceased. Palatal rugae as an aid for personnel identification. 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.
A simple method for palatal rugae carving in complete. Significance of palatal rugae in orthodontics journal of orofacial research, julyseptember 20. 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. Palatal rugae patterns as bioindicators of identification. About the journal journal of indian academy of oral medicine and radiology julyseptember 2011. Effect of palatine rugae on phonetic adaptation in complete dentures based on the palatogram similarity of the indonesian linguopalatal consonant dona dewita1, henni koesmaningati2, muslita indrasari2 1. Identification of individuals using computer technique. Palatal rugae definition of palatal rugae by medical. A comparative study of palatal rugae patterns among igbo. Assessment of the stability of the palatal rugae in a 3d. Prosthodontics residency program, faculty of dentistry,universitas indonesia, jakarta, indonesia. Palatal rugae and their role in forensic odontology jain. On the other hand large scale relative study concerning different races, family members and monozygotic twins is urgently needed in the future. In addition, show a significant association between shapes and ethnicity.
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. Morphological changes in palatal rugae patterns following. Comparative study of palatal rugae pattern in class ii div. Palatal rugae patterns are anatomic structures considered unique to each person. Palatal rugae, also known as plicae palatinae transversae and rugae palatine, are situated in the anterior third of the hard mucosal palate in the roof of the mouth. Importance of palatal rugae in individual identification. This study aims to determine the number, symmetry, shape and individual characteristic of palatal rugae.
Matching palatal rugae patterns before and after orthodontic treatment. Correlation coefficients among rugal and dental measures suggested an association between rugae changes and the underlying bony movements. Study of palatal rugae pattern of rwandan patients attending. Research article palatal rugae biometric characteristics. Palatal rugoscopy implementation in forensic odontology. The advantage of palatal rugae is its internal position, which leads to stability and perenity. Differentiation between palatal rugae patterns of twins by. The digitized dental casts were stored in the pc of the investigator and copied to a cdrom. 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. The principal aim of the present study was to evaluate the stability of palatal. Palatal rugae patterns as a bioindicator for forensic. One hundred casts were randomly selected as variables. Palatal rugae as an aid for personnel identification 1.
In the hard palate there may be fusion of the capsule with the periosteum, so jpda vol. Dec 17, 2015 palatal rugae retain their shape throughout life and hence can be useful as an identification tool. 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. The purpose of this investigation was to determine if palatal rugae can be relied upon for identification.
Palatal rugae for the construction of forensic identification. In addition, we studied the factors influencing its size, with subsequent comparison of the results between gender, using digital models. 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. 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. The palatal rugae appear toward the 3 rd month of intrauterine life, from the covering connective tissue in. R1ml most medial end point of the first palatal rugae on the subjects left side. 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. The palatal rugae are considered a useful human identification marker for both orthodontists and forensic personnel. Investigations on the palatal rugae pattern in cleft patients. Palatal rugae patterns as bioindicators of identification in. Center for dental studies and research, muradnagar, ghaziabad, uttar pradesh, india 2 department of oral and maxillofacial.
The present study is aimed at analyzing the palatal rugae variations in children from karnataka, india with a primary objective to assess the variations based on gender and age between the groups. 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. Effect of palatine rugae on phonetic adaptation in complete dentures based on the palatogram similarity of the indonesian linguo palatal consonant dona dewita1, henni koesmaningati2, muslita indrasari2 1. Open access 1 of 9 keywords orthodontics, forensic dentistry, palate, threedimensional imaging, dental models introduction the use of palatal rugae in dentistry is an alternative method for human identi. Palatal rugae patterns can differentiate the features among populations, because palatal rugae pattern and distribution are unique in each person. R1mr most medial end point of the first palatal rugae on the subjects right side. Casereport 3d evaluation of palatal rugae in identical twins. The development of the secondary palate has been a main topic in craniofacial research, as its failure results in cleft palate, one of the most common birth defects in human. Produced with the front of the tongue near or against the hard palate, as the y in english young. Palatoscopy or palatal rugoscopy is the study of palatal rugae in order to establish a persons identity. Palatal rugae were altered by rme in all dimensions in both linear and angular measurements, almost equally on right and left sides, albeit the average linear changes were about 1 mm. Casereport 3d evaluation of palatal rugae in identical twins emiliyataneva,carlaevans,andgraceviana departmentoforthodontics,collegeofdentistry,universityofillinoisatchicago,chicago,il,usa. Study of palatal rugae pattern of rwandan patients. Palatal rugae patterns in edentulous cases, are they a.
Evaluationof the role of palatalrugae applicationas a tool for sex identification in the saudi population mm fawzi 1, 2, ma eldomiaty 3, 4, mk desouky 3, 5, sa algaidi 3. In our study, we performed on subjects ages 16 to 57 23. Twentyfive orthodontic cases were selected with pre and posttreatment casts. Palatal rugae patterns are definitely associated with regional variation and can aid as an additional tool in forensic identification procedures. Allen advocated making the palatal portion as thin as is practical 1. Palatal rugae are also referred to as plicae palatinae, transverse palatal folds, or rugae palatina. Palatal rugae a finger print of oral cavity open access. Differentiation between palatal rugae patterns of twins by means of the brinon method and an improved technique abstract. Palatal rugoscopy implementation in forensic odontology a. Pdf palatal rugae pattern in korean children and adolescents. Duplicating the rugae on palatal surface of denture reduces the problem encountered with speech. Palatine rugae can be used as internal dentalcast reference points for quantification of tooth migration in cases of orthodontic treatment. Nevertheless, palatal rugae or rugae palatinae, which are transversal ridges developing on the secondary palate, received little attention. 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. The palatal rugae count showed statistically significant differencebetweenbothgenders, with ahigherincidencein males,63. Research article morphological study of palatal rugae in a sudanese population altayebabdallaahmed 1,2 andawradhamid 3 department of basic medical sciences, college of medicine, king saud bin abdulaziz university for health. Palatine rugae and their significance in clinical dentistry. Evaluationof the role of palatalrugae applicationas a tool for sex identification in the saudi population mm fawzi1, 2, ma eldomiaty3, 4, mk desouky3, 5, sa algaidi3. Palatal rugae appear to possess the features of an ideal forensic identification parameter, that is, uniqueness, postmortem resistance, and stability. Palatal rugae definition of palatal rugae by medical dictionary.
Analysis of palatal rugae morphology before and after. Average number of rugae found in each individual was 8. Palatal rugae play a very important role in phonetics. The accuracy rate of matching palatal rugae patterns before and after orthodontic. Palatal rugae pattern of an individual is species specific and is said to be as unique as finger print. Palatal rugoscopy was first proposed in 1932 by the spanish investigator trobo hermosa. 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. The palatal rugae form elevations more or less prominent and take various configurations. Goria defined the rugae as the ridges that extend at least onehalf the distance from the median palatal raphe to the dental arch. These are studied for various purposes mainly in fields of anthropology, genetics, orthodontics, prosthodontics, and forensic science.
The assessment, selection, and extraction of the palatal area as well as the 3d superimposition and matching process of the rugae were conducted using the. Research article open access palatal rugae patterns as an. There is a thin, longitudinal mucosal protrusion in the median line of hard palate, it is actually threeseven soft tissue ridges radially evoked from incisive papillae and median palatal suture, and its shape is irregular and asymmetric. Palatal rugae retain their shape throughout life and hence can be useful as an identification tool. The aim of this study was to identify and compare the rugae pattern of igbo and ikwerre populations in nigeria for human identification purposes.
The initiation and termination points of rugae were marked on all 100 images of clinical photographs using ms paint version 5. These rugae patterns are studied for various purposes, mainly in the fields of anthropology, genetics, orthodontics, prosthodontics, and forensic science. Palatal rugoscopy is the study of palatal rugae pattern. A mini thesis submitted in partial fulfilment of the requirements for the degree of the msc in forensic dentistry, university of the western cape. Research article morphological study of palatal rugae in a. Design and development of a palatal rugae based biometric.
While there is literature suggesting that the palatal rugae could be used for human identification, most of. Palatal rugae analysis comprised the palatal rugae, papilla and median palatal raphe. The study investigated the relationship of the palatal rugae to points and distances of the cleft palate during the time period from birth to early mixed dentition in subjects with unilateral and bilateral cleft lip and palate by means of threedimensional measuring system. Palatal rugae are resistant to chemical injuries and can be said to be unique for every individual as it is consistent throughout life 5. Produced with the front of the tongue near or against the hard palate, as the in english young. To investigate the unique features of the palatal rugaes shapes and measurements and use it to establishing a landmark for extracting biometrics. R2mr most medial end point of the second palatal rugae on the subjects right side. Palatal rugae, also called plicae palatinae transversae, can be protected from trauma and high temperatures by lips, cheek, tongue, buccal pad, teeth and bone, and exhibit no agerelated changes rajan et al. The accuracy rate of matching palatal rugae pattern for individual identification using the digital recognition image system was 100 %. Palatal rugae are the ridges situated in the anterior part of the palatal mucosa on each side of the median palatal raphe and behind the incisive papilla. So both palatal rugae and lip grooves can be used successfully in human identification4. 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.
Investigations on the palatal rugae pattern in cleft. Palatal design and structure is not altered during growth and it is protected from external trauma. A total of 811 palatal rugae were observed in 100 subjects, almost equally divided on the left and the right side of the median. Monozygotic twins present similarities, however, rugoscopy in particular, may contribute to their individualization for forensic purposes. 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. Application of palatal rugae patterns for personal identification was suggested by allen in 1889. Palatal rugae, personal identification, forensic odontology, orthodontic movement. Kings college london, foyle special collections library. To investigate the unique features of the palatal rugaes shapes and measurements and use it to establishing a landmark for extracting biometrics based identification. Assessment of palatal rugae pattern and their reproducibility. The present study was conducted from random sampling of university of port harcourt. The 100 dental casts were digitized with a scanner genius colorpage.