Pdf dental age estimation by demirjians and nollas method. Dental maturity in saudi children using the demirjian. Pdf accuracy of age estimation using demirjian method among. To estimate the age of an individual between and 23 years, using demirjian method in saudi male patients in the southern region of the kingdom of saudi arabia. Dental maturity in saudi children using the demirjian method. The original demirjians method using the seven mandibular teeth had a high accuracy but poor reliability.
Age estimation is relevant in the field of medicine and dentistry, especially when matters of consent or identification or criminal liability arise. Relationship between dental age according to demirjian and. The frenchcanadian data set of demirjian for dental age estimation. For an age estimation method to be accurate and reliable is a tedious task as they are contrarian. Applicability of demirjians method of age assessment in a. In general, females reached maturation stages at earlier ages than males. Cameriere, adopted haavikko method from 1974 haavikko, and revisited demirjian method by willems willems for age estimation on orthopantomograms opgs of bosnianherzegovian bh children age groups 6 years. Nur b, kusgoz a, bayram m, celikoglu m, nur m, kayipmaz s, yildirim s. The less known anderson method for dental age estimation in.
Dental age estimation among children aged 514 years using the demirjian method in bosniaherzegovina. Assessing the accuracy of camerieres indianspecific formula. Demirjian s method, first described in 1973 and based on a large number of frenchcanadian samples, is. A retrospective survey priyadarshini chandramohan 1, manjunath p puranik 2, sr uma 2 1 department of health and family welfare, district hospital, chamarajanagar, india 2 department of public health dentistry, government dental college and research institute, bengaluru, karnataka, india.
Validity of demirjian and nolla methods for dental age estimation for. Dental development is relatively independent from other systems maturation. Demirjian method of age estimation using correction factor among indian. To do so, we investigated the relationship between chronological and dental age in a total of 158 children 81 female and 77 male from shiraz.
Demirjian s method has been widely researched and used in age estimation and is among the most accurate of classification systems as well most accepted by forensic scientists, probably because of their simplicity, and its well radiographic and schematic illustrations of tooth development and accompanying description. The original demirjian s method using the seven mandibular teeth had a high accuracy but poor reliability. Camerieres radiographic methods of dental age estimation in puducherry population aged between 9 and years. The demirjian versus the willems method for dental age. Reliability of age estimation using demirjians 8 teeth method and india specific formula v jayanth kumar, k saraswathi gopal department of oral medicine and radiology, meenakshi ammal dental. Comparison between males and females showed nonsignificant results and left side of the opg showed superior results when compared with the right side for age estimation. Keywordsdemirjian method, dental age tables, diagnostic imaging, digital tools, romanian children sample. Reliability of age estimation using demirjian s 8 teeth method and india specific formula v jayanth kumar, k saraswathi gopal department of oral medicine and radiology, meenakshi ammal dental college, chennai, tamil nadu, india. A dental maturation score for each individual was calculated using the demirjian method. The accuracy of radiographic methods for dental age estimation is. It was found that davangere children were dentally more advanced.
Demirjians method stages the radiographical appearance of the seven mandibular teeth on the left side, and has been used in a number of. For estimation of dental age, left mandibular teeth were used. For computation of all point estimates, the statistical software. Response to demirjians method is unsuitable for dental. Background the accuracy of radiographic methods for dental age estimation is important for biological growth research and forensic applications. Prabhakar ar, panda ak, raju os 2002 studied the applicability of demirjians method of age assessment in children of davangere. Demirjians method has been widely researched and used in age estimation and is among the most accurate of classification systems as well most accepted by forensic scientists, probably because of. A total of 479 panoramic radiographs in age groups 614 years from a german population were evaluated. Nolla method was found to be a more accurate method for estimating da in northeastern turkish population. A sample of 422 dental panoramic radiographs from individuals of known age from 4 to 14 yrs, sex males. The accuracy of estimating chronological age from demirjian. Considering this high increase, age estimation studies in southern chinese are warranted.
The purpose of this study was to evaluate the accuracy of demirjian and cameriere methods for dental age estimation in order to obtain a more reliable and reproducible age estimation method as an aid in forensic odontology. The total sample revealed age overestimation for the demirjian method 0. Even though, other methods have been used, the most widely used method for dental age estimation was described by demirjian et al. Validity of demirjian and cameriere methods for dental age. The dental age of 268 boys and 211 girls was assessed by means of the method of demirjian 1973 and cameriere 2006 and compared with their actual chronological age. Age was then estimated using the original demirjian curves and tables based on frenchcanadian population and populationspecific curves and. Pdf applicability of demirjians method and modified camerieres. Comparative assessment to determine the accuracy of. Dental maturity, expressed as dental age, is one of the common indices for age estimation.
The aim of the study, is to present the historical development of age estimation in adults from teeth. Defining dental age for chronological age determination. The suitability of demirjians method for forensic age estimation has been systematically questioned. A comparative study among children attending a dental college in lucknow up shruti sinha 1, deepak umapathy 2, mathod c shashikanth 3, neeta misra 2, anshul mehra 4, ashish kumar singh 4. Demirjian andor willems methods to estimate chronological age in 14,109. Dental age estimation among children aged 514 years using. Age estimation based on the demirjians method was previously conducted in navi mumbai, a region in western india based on 197 children between 6 and 12 years of age. The aim of the study was to compare two frequently used dental age estimation methods for accuracy. The tps file was uploaded for landmarking into tpsdig software version. The dental age estimation by willems method was found to be. Accuracy of the two most commonly used systems demirjian and willems has been evaluated with conflicting results. Kvaal and olaf krogstad department of orthodontics and department of oral pathology, university of oslo, oslo, norway nyka. In this method, a sum of tooth scores against each year of age were given and which were used to predict age into 1 year age groups and also provides an age at each stage for each tooth.
It was found that demirjian s is a much more reliable method of age estimation as compared to nollas method in the adolescents of uttarpradesh, india. Background a method for assessing dental maturity in different populations was first developed in 1973 by demirjian and has been widely used and accepted since then. Dental age assessment is one of the most reliable methods of chronological age estimation used for criminal, forensic and anthropologic purposes. The sample consisted of 485 digital panoramic radiographs of children 264 males, 221 females aged between 4. Dental age was assessed by one observer using the demirjian method 4 with willems adjusted scoring. Dental age estimation by demirjians and nollas method. Dental age estimation of omani children using demirjians method. Among radiological methods for dental age estimation in children, demirjians method is widely used, although original standards elaborated for the french canadian population are mostly not. Of the numerous techniques employed for age assessment, dental age estimation dae and its correlation with chronological age ca have been of great significance in the recent past. Using the demirjian method, the mean estimated da was 11.
The primary aim of the following study is to estimate the chronological age based on the stages of third molar development following the eight stages a to h method of demirjian et al. The aim of this study is to further assess the reliability of demirjians original method in. The dental age estimation by willems method was found to be more accurate than demirjian method in contemporary turkish pediatric population. Age determination has great importance in many clinical decisions, being commonly used in odontopediatrics, orthodontics, pediatrics, and forensic medicine. The frenchcanadian data set of demirjian for dental age. The application of demirjians method for da estimation among the studied group revealed statistically significant differences among the 34, 56, 78, 910, and 1011 age groups in males and the 34, 56, and 67 age groups in females. Metaanalysis was performed on 28 published articles using the demirjian andor willems methods to estimate chronological age in 14,109 children 6,581 males and 7,528 females age 318 years in studies using the demirjian method and 10,832 children 5,176 males and 5,656 females age 418 years in studies using the willems method.
Cameriere, adopted haavikko method from 1974 haavikko, and revisited demirjian method by willems willems for age estimation on orthopantomograms opgs of bosnianherzegovian bh children. Dental age, demirjian method, nolla method, chronological age. A total of 360 male patients digital panoramic radiographs were used to evaluate the morphology of mandibular 3rd molar teeth roots according to the. It should be noted that individuals are separated to those who are below 20 years where tooth development can be used and those above 20 years of age where all teeth are fully formed and regressive age related changes might be used. Reliability of age estimation using demirjians 8 teeth method and india specific. Reliability of age estimation using demirjians 8 teeth. Estimation of childs biological age based on tooth.
Validity of demirjian and nolla methods for dental age. The demirjian versus the willems method for dental age estimation. Evaluation of the accuracy of demirjians method for estimating. Estimation of childs biological age based on tooth development.
Validity of the demirjian method for dental age estimation when applied to norwegian children roy nyka. The statistical package for the social sciences spss version 21 software was used to. Dental age assessment in 6 to 14year old german children. Dental maturity a biologic indicator of chronological age. Demirjian method of age estimation using correction factor among indian children. This method has proven more accurate for estimating dental age, although only a few studies assessing it have been published. Age estimation by modified demirjians method in children. It was found that demirjians is a much more reliable method of age estimation as compared to nollas method in the adolescents of uttarpradesh, india. The purpose of this study was to assess the dental age of omani children using demirjians method and evaluate the applicability of the method in dental age estimation for omani children. Visual method is based on the sequence of eruption of the teeth and morphological changes that are caused due to function such as attrition, changes in.
Challenges in forensic odontology age estimation methods. However, estimating chronological age by means of the dental mineralization stage is not a straightforward analysis, and it is fundamental to test the validity of. Dental age estimation among children aged 514 years. Demirjian method of age estimation using correction factor among. The mean dental age da according to the demirjian and nolla methods were compared to the mean chronological age ca. The aim of the present study was to evaluate whether the dental age estimation in children according to demirjians method 1 would result in a significant and consistent overestimation. In 1973, demirjian, tanner, and goldstein published the demirjian s method of age estimation, and it is one of the most frequently used methods for age estimation. Age estimation in indian children and adolescents in the ncr. Is demirjians original method really useful for age.
Dental age estimation by demirjian s and nollas method. Visual, radiographic, chemical and histological techniques can be used for dental age estimation. Demirjian method of age estimation using correction factor. It was therefore the aim of this crosssectional study to test the reliability of demirjians method of age estimation when used for children in bosniaherzegovina. Comparison of nolla, demirjian and moorrees methods for. Demirjian s method resulted in a consistent overestimation of the dental age for the first belgian caucasian sample, amounting to a median of 0. Assessing the accuracy of camerieres indianspecific. The aim of this study is to further assess the reliability of demirjians original method in forensic age estimation using a sample of portuguese children. Reliability of age estimation using demirjians 8 teeth method and.
The weighted mean difference for the demirjian method was 0. The most commonly used dental age estimation scoring techniques are demirjian et al. It should be noted that individuals are separated to those who are below 20 years where tooth. Evaluation of the accuracy of demirjians method for.
Of all of the different methods of age estimation, the dental age is regarded as the best method because tooth mineralisation is much less affected by environmental factors bagherian and sadeghi, 2011. Demirjians method, first described in 1973 and based on a large number of frenchcanadian samples, is. Hence the goal is to achieve the best of these two factors using the appropriate method and the most adopted biological indicators. Demirjian system, considered as gold standard in dae is a simple and convenient method for dae, though, although, referring to multiple tables make it cumbersome and less eco friendly due to excessive paper load. Estimation of childs biological age based on tooth development ana emilia ogodescu1, elisabeta bratu2, anca tudor 3, alexandru ogodescu 4 abstract. This study investigates the accuracies of these methods for dental age estimation in different populations. The purpose of this study was to evaluate the accuracy of demirjian and cameriere.
Thus, camerieres method of age estimation using indianspecific formula proves to be an accurate and a reliable and can be used to assess the age of the individuals. Comparative assessment to determine the accuracy of demirjian. Dental age estimation of omani children using demirjians. For an age estimation method to be accurate and reliable is a tedious task as they are contrarian parameters. Introduction arious methods are used in orthodontics to evaluate the age of a patient. A total of 479 panoramic radiographs in age groups 614 years from a german. The linear measurements of cameriere method was carried out using digital ruler on romexis software to the closest 0. Response to demirjians method is unsuitable for dental age estimation. Response to demirjians method is unsuitable for dental age. The accuracy of radiographic methods for dental age estimation is important. Jun 17, 2010 among radiological methods for dental age estimation in children, demirjians method is widely used, although original standards elaborated for the french canadian population are mostly not suitable for other populations and require modifications davis and hagg, 1994. Validity of the demirjian method for dental age estimation. Accuracy of age estimation using demirjian method among. Kvaal and olaf krogstad department of orthodontics and.
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