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Ruga pattern

Amy Moran, Helen Tippett, Andiappan Manoharan, Martyn T Cobourne
INTRODUCTION: The aim of this study was to compare the palatal ruga patterns in subjects with oligodontia and normal tooth numbers. METHODS: An observational investigation was conducted by using maxillary dental study casts to compare ruga numbers, lengths, and shapes in subjects with diagnosed oligodontia or normal tooth numbers. RESULTS: A total of 32 subjects comprised both the oligodontia (mean age, 14.0 years; SD, 5.0 years) and the control (mean age, 14...
August 2016: American Journal of Orthodontics and Dentofacial Orthopedics
J K Savita, B N Yathindra Kumar, G Satish, K T Divya, J Ranjitha, Ravi Kumar Pujari
AIMS AND OBJECTIVES: This study was conducted to assess the incidence and prevalence of palatal rugae shapes in the male and female populations of Karnataka and Kerala. MATERIALS AND METHODS: This study consisted of 100 plaster models of each group, which were equally distributed between both the genders, with an age range of 17-23 years. The rugae patterns were recorded by using Thomas and Kotze classification. Correlation between the rugae shape and population as well as the rugae shape and gender were analyzed using chi-square analysis and discriminant function analysis using the Statistical Package for the Social Sciences Version 22 (IBM Corp)...
May 2016: Journal of International Society of Preventive & Community Dentistry
Bamidele Kolude, Adisa Akinyele, Ogunrinde Tunde Joshua, Lawal Ahmed
INTRODUCTION: This study was conducted to compare the rugae patterns between two major ethnic groups in Nigeria to establish any peculiarities. This will serve as basis for population identification especially in mass disasters involving individuals of different races or ethnicities. METHODS: One hundred consenting participants, 50 of south-western Yoruba ethnicity and 50 of south-eastern Igbo ethnicity were recruited; impressions of the upper jaws were taken and cast with dental stone...
2016: Pan African Medical Journal
Batool Ali, Attiya Shaikh, Mubassar Fida
The palatal rugae have been used as a reference landmark and identification marker by orthodontists and forensic analysts. However, the reliability of palatal rugae as a forensic marker remains questionable once an individual is subjected to orthodontic treatment. This study aimed at evaluating the changes in the rugae pattern after nonextraction, extraction, and maxillary expansion orthodontic treatment. The lengths and shapes of palatal rugae were evaluated on the pretreatment and post-treatment dental casts of 168 subjects using the Thomas and Kotze classification...
September 2016: Journal of Forensic Sciences
Sanjayagouda B Patil, Manashvini S Patil, B R Smita, Kavyashree G Hebbar
BACKGROUND: The palatal rugae are the ridges situated in the anterior part of the palatal mucosa, are unique to each individual, and can establish individual's identity. AIMS: To establish the reliability of using the palatal rugae dimensions in identifying the different ethnic groups. SETTINGS AND DESIGN: Many studies have established the reliability of using the palatal rugae patterns in identifying the different ethnic groups. However, no studies have been reported in the English language literature that uses the rugae dimensions to identify the different ethnic groups...
January 2016: Journal of Forensic Dental Sciences
Senad Muhasilovic, Naida Hadziabdic, Ivan Galic, Marin Vodanovic
The goal of this study is to identify and compare palatal rugae patterns in males and females of an average age of 35 in a sample population from Bosnia and Herzegovina (Sarajevo Canton), as an additional method for sex differentiation in various situations. The research did not determine any statistically significant difference in the total number of palatal rugae between the sexes, which is in line with previous research. However, in the case of the number of secondary palatal rugae where the probability of an equal average is slightly higher than the tolerance of 5%, the difference being 7...
April 2016: Journal of Forensic and Legal Medicine
V M Shmandiy, E V Kharlamova, T E Rugas
Elaborated methodological approaches to the monitoring of the state of ecological safety are based on the use of systems analysis of conditions and consistent patterns of the formation of the ecological danger search for effective means and methods of safety management. Ecological hazard is considered as a hierarchical structure, consisting of types, classes, species and subsubspecies. In industrially developed regions the most significant are technogenic and sociogenic classes. The sociogenic class of danger was proved to be primary in its formation, as the level of environmental awareness is largely determined by the degree of impact on human health and environment, manifestations of the danger of other classes are depend on it...
2015: Gigiena i Sanitariia
(no author information available yet)
[This corrects the article on p. 85 in vol. 5, PMID: 24255555.].
September 2015: Journal of Forensic Dental Sciences
Emilia D Taneva, Andrew Johnson, Grace Viana, Carla A Evans
BACKGROUND: While there is literature suggesting that the palatal rugae could be used for human identification, most of these studies use two-dimensional (2D) approach. AIM: The aims of this study were to evaluate palatal ruga patterns using three-dimensional (3D) digital models; compare the most clinically relevant digital model conversion techniques for identification of the palatal rugae; develop a protocol for overlay registration; determine changes in palatal ruga individual patterns through time; and investigate the efficiency and accuracy of 3D matching processes between different individuals' patterns...
September 2015: Journal of Forensic Dental Sciences
Rani S Thabitha, Rajendra E Reddy, M Manjula, N Sreelakshmi, A Rajesh, Vinay L Kumar
BACKGROUND: Establishing individual identification of a decedent only by dental means is a mammoth task in forensic odontology. Palatal rugae's uniqueness, its resistance to heat, and stability throughout life have been proved by its use as an alternative aid in individual identification where comparison of fingerprints and other records is difficult. AIMS AND OBJECTIVES: The aim of the present study was to analyze the role of palatal rugoscopy in personal identification and sex determination of Nalgonda pediatric population...
September 2015: Journal of Forensic Dental Sciences
Deeksha Kiran Shetty, Sheetal Mali, Hegde Deepak Divakar, Patil Amit, Edake Dhairaysheel, Unadkat Harsh
BACKGROUND: Palatal rugae are distinct to each individual and are highly specific to each individual as their fingerprints. Rugae pattern are specific to different racial groups making it convenient for population identification. Palatal rugae retain their shape throughout life and hence can be useful as an identification tool. 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...
2015: Journal of International Oral Health: JIOH
R Poojya, C S Shruthi, Vaishali Mysore Rajashekar, Aswathy Kaimal
One of the main objectives of the forensic sciences is establishing a person's identity which can be a very complex process. The analysis of the teeth, fingerprints and DNA evaluation are probably the most used techniques allowing fast and secure identification processes. Palatal rugae or transverse palatine folds are asymmetrical and irregular elevations of the mucosa located in the anterior third of the palate and are permanent, prominent and unique for individuals and thus can be used as identification for forensic purposes widely in edentulous patients wherein no teeth are present in the oral cavity...
September 2015: International Journal of Biomedical Science: IJBS
A W Suhartono, K Syafitri, A D Puspita, N Soedarsono, F P Gultom, P T Widodo, M Luthfi, E I Auerkari
BACKGROUND: 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.g. a dental cast can be traced or the pattern can differentiate between alternative populations of origin. OBJECTIVES: The aim of this study was to identify the rugae patterns in a sample modern Indonesian population, to compare the patterns to previously reported observations, and to consider the requirements for possible forensic applications...
May 2016: International Journal of Legal Medicine
Manickam Selvamani, Shilpa Hosallimath, Madhushankari, Praveen Shivappa Basandi, Andamuthu Yamunadevi
BACKGROUND: Analysis of palatal rugae patterns, which are similar to fingerprints, is one of the techniques used in forensic sciences for human identification. As palatal rugae patterns are genetically determined, they can also be used in population differentiation and gender determination. Hence, we aimed to record the distribution of the predominant rugae pattern in Kerala population. MATERIALS AND METHODS: A total of 100 maxillary study models (40 males and 60 females) recorded from Kerala population within the age group of 17-25 years were analyzed...
July 2015: Journal of Natural Science, Biology, and Medicine
Eshani Saxena, B R Chandrashekhar, Sudheer Hongal, Nilesh Torwane, Pankaj Goel, Priyesh Mishra
CONTEXT: Transgenders are highly disadvantaged people, deprived of adequate opportunities of earning a respectable living. The forensic literature has emphasized on two genders, male and female, the existence of a third gender (Transgenders) is almost negligible in the literature, and this makes it compulsive to determine their identity through forensic approaches at the time of disasters. Previous studies have demonstrated that no two palatal rugae pattern are alike in their configuration and this unique feature has led us to undertake a study to establish individual identities using palatal rugae pattern...
May 2015: Journal of Forensic Dental Sciences
Mohammed Abidullah, M Naveen Kumar, Kavita D Bhorgonde, D Shyam Prasad Reddy
CONTEXT: Cheiloscopy and dactyloscopy, both are well-established forensic tools used in individual identification in any scenario be it a crime scene or civil cause. Like finger prints, lip prints are unique and distinguishable for every individual. But their relationship to personality types has not been established excepting the hypothesis stating that finger prints could explain these personality patterns. AIMS: The study was aimed to record and correlate the lip and finger prints with that of character/personality of a person...
May 2015: Journal of Forensic Dental Sciences
Nami Rajpoot, Aarati Nayak, Ranganath Nayak, Praveen Kumar Bankur
BACKGROUND: The dimensions of gingiva and different parts of the masticatory mucosa have become a subject of considerable interest in Periodontics. Studies assessing the thickness of the facial gingiva are often seen in the literature. The thickness of the palatal gingiva is a subject still less researched in periodontal therapy and implantology. OBJECTIVES: To measure the thickness of the palatal gingiva using an ultrasound device 'Biometric A- Scan' and to evaluate the variation in the thickness of the palatal gingiva at the sites examined...
March 2015: Journal of Clinical and Diagnostic Research: JCDR
Altayeb Abdalla Ahmed, Awrad Hamid
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. 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. It also assesses the possibility of determining sex using logistic regression. One hundred dental casts for 50 males and 50 females aged between 18 and 23 were studied for palatal rugae dimensions, shapes, and orientations, as well as sexual dimorphism and side symmetry...
2015: International Journal of Dentistry
Ayman G Mustafa, Mohammed Z Allouh, Rawan M Alshehab
This study investigated the morphometric changes that occur in palatal rugae during orthodontic treatment. The potential impact of these changes on the individuality of the palatal rugae patterns and on the use of palatal rugae patterns in human identification was also explored. Fifty pairs of pre- and post-orthodontic treatment dental casts were used. The palatal rugae patterns were compared between each pre-treatment cast and its post-treatment counterpart to reveal any morphometric changes. In addition, the individuality of the pre- and post-treatment sets of the casts was evaluated...
April 2015: Journal of Forensic and Legal Medicine
Nagalaxmi V, Sridevi Ugrappa, Naga Jyothi M, Lalitha Ch, Kotya Naik Maloth, Srikanth Kodangal
BACKGROUND AND OBJECTIVES: Human identification is the forensic odontologist's primary duty in the fields like violent crime, child abuse, elder abuse, missing persons and mass disaster scenarios. In each context, dental traits may produce compelling evidence to aid victim identity, suspect identity and narrow down the outcome of investigative casework. Sometimes it becomes necessary to apply some least known and less popular techniques in identification procedure where lip prints, rugae patterns and canine odontometrics can give us comparatively valid conclusions pertaining to person's identification...
2014: Open Dentistry Journal
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