Applicability of demirjians method of age assessment in a. 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. 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. Kvaal and olaf krogstad department of orthodontics and department of oral pathology, university of oslo, oslo, norway nyka. 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.
The sample consisted of 485 digital panoramic radiographs of children 264 males, 221 females aged between 4. The aim of the study, is to present the historical development of age estimation in adults from teeth. The demirjian versus the willems method for dental age. 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. 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. The aim of this study is to further assess the reliability of demirjians original method in. The total sample revealed age overestimation for the demirjian method 0. 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. 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 age estimation of omani children using demirjians method.
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. The tps file was uploaded for landmarking into tpsdig software version. A total of 479 panoramic radiographs in age groups 614 years from a german population were evaluated. Dental maturity, expressed as dental age, is one of the common indices for age estimation. Validity of demirjian and cameriere methods for dental age. Willems radiographic methods on age estimation on bosnian. This study investigates the accuracies of these methods for dental age estimation in different populations. Assessing the accuracy of camerieres indianspecific. Visual, radiographic, chemical and histological techniques can be used for dental age estimation.
Keywordsdemirjian method, dental age tables, diagnostic imaging, digital tools, romanian children sample. Using the demirjian method, the mean estimated da was 11. The original demirjians method using the seven mandibular teeth had a high accuracy but poor reliability. The linear measurements of cameriere method was carried out using digital ruler on romexis software to the closest 0. Nur b, kusgoz a, bayram m, celikoglu m, nur m, kayipmaz s, yildirim s. Accuracy of age estimation using demirjian method among. Estimation of childs biological age based on tooth development ana emilia ogodescu1, elisabeta bratu2, anca tudor 3, alexandru ogodescu 4 abstract. For estimation of dental age, left mandibular teeth were used. Hence the goal is to achieve the best of these two factors using the appropriate method and the most adopted biological indicators. 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. Reliability of age estimation using demirjians 8 teeth. Challenges in forensic odontology age estimation methods. Background the accuracy of radiographic methods for dental age estimation is important for biological growth research and forensic applications. The accuracy of radiographic methods for dental age estimation is.
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. A total of 479 panoramic radiographs in age groups 614 years from a german. 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. It should be noted that individuals are separated to those who are below 20 years where tooth. For an age estimation method to be accurate and reliable is a tedious task as they are contrarian. Comparative assessment to determine the accuracy of demirjian. Dental age assessment in 6 to 14year old german children. The dental age estimation by willems method was found to be more accurate than demirjian method in contemporary turkish pediatric population. 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. Response to demirjians method is unsuitable for dental. Reliability of age estimation using demirjians 8 teeth method and india specific. Is demirjians original method really useful for 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. Demirjians method stages the radiographical appearance of the seven mandibular teeth on the left side, and has been used in a number of. The aim of the study was to compare two frequently used dental age estimation methods for accuracy. Nolla method was found to be a more accurate method for estimating da in northeastern turkish population. 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. The less known anderson method for dental age estimation. 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. The original demirjian s method using the seven mandibular teeth had a high accuracy but poor reliability.
Pdf applicability of demirjians method and modified camerieres. 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. 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. Considering this high increase, age estimation studies in southern chinese are warranted. In general, females reached maturation stages at earlier ages than males. Reliability of age estimation using demirjians 8 teeth method and. Dental age estimation among children aged 514 years. Comparison of nolla, demirjian and moorrees methods for.
Demirjian andor willems methods to estimate chronological age in 14,109. It was found that davangere children were dentally more advanced. Prabhakar ar, panda ak, raju os 2002 studied the applicability of demirjians method of age assessment in children of davangere. The assessment of age is useful in forensic odontology and in treatments plans of orthodontic and pedodontic patients. Comparative assessment to determine the accuracy of. The weighted mean difference for the demirjian method was 0. Evaluation of the accuracy of demirjians method for estimating. Dental development is relatively independent from other systems maturation. The most commonly used dental age estimation scoring techniques are demirjian et al. 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. 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. Dental age estimation by demirjian s and nollas method. 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.
Dental age was assessed by one observer using the demirjian method 4 with willems adjusted scoring. 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. Age was then estimated using the original demirjian curves and tables based on frenchcanadian population and populationspecific curves and. A dental maturation score for each individual was calculated using the demirjian method. 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.
The frenchcanadian data set of demirjian for dental age. The accuracy of estimating chronological age from demirjian. Dental age estimation among children aged 514 years using. 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 maturity in saudi children using the demirjian method. Iranian journal of pediatrics dental age estimation in. Dental age, demirjian method, nolla method, chronological age. For an age estimation method to be accurate and reliable is a tedious task as they are contrarian parameters. Dental age estimation of omani children using demirjians. 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. Demirjian method of age estimation using correction factor among indian. 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. Age estimation in indian children and adolescents in the ncr. The less known anderson method for dental age estimation in.
This method has proven more accurate for estimating dental age, although only a few studies assessing it have been published. Validity of demirjian and nolla methods for dental age estimation for. Dental age estimation by demirjians and nollas method. 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. Age determination has great importance in many clinical decisions, being commonly used in odontopediatrics, orthodontics, pediatrics, and forensic medicine. Validity of the demirjian method for dental age estimation. The purpose of this study was to evaluate the accuracy of demirjian and cameriere. Assessing the accuracy of camerieres indianspecific formula. Validity of demirjian and nolla methods for dental age.
Pdf accuracy of age estimation using demirjian method among. The dental age estimation by willems method was found to be. Demirjian method of age estimation using correction factor among. Dental age estimation among children aged 514 years using the demirjian method in bosniaherzegovina. Estimation of childs biological age based on tooth development. Response to demirjians method is unsuitable for dental age. Response to demirjians method is unsuitable for dental age estimation.
Demirjian method of age estimation using correction factor among indian children. Accuracy of the two most commonly used systems demirjian and willems has been evaluated with conflicting results. 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. Demirjian method of age estimation using correction factor. Dental maturity a biologic indicator of chronological age. The demirjians method overestimated age with a mean accuracy of 0. Defining dental age for chronological age determination. Dental age assessment is one of the most reliable methods of chronological age estimation used for criminal, forensic and anthropologic purposes. Validity of the demirjian method for dental age estimation when applied to norwegian children roy nyka.
Demirjian s method, first described in 1973 and based on a large number of frenchcanadian samples, is. The statistical package for the social sciences spss version 21 software was used to. Estimation of childs biological age based on tooth. Demirjians method, first described in 1973 and based on a large number of frenchcanadian samples, is. 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. The most often used method for age estimation in children is. A total of 360 male patients digital panoramic radiographs were used to evaluate the morphology of mandibular 3rd molar teeth roots according to the. Relationship between dental age according to demirjian and. The accuracy was determined as difference between estimated dental age da and chronological age. The frenchcanadian data set of demirjian for dental age estimation. Even though, other methods have been used, the most widely used method for dental age estimation was described by demirjian et al.
Age estimation by modified demirjians method in children. Age estimation is relevant in the field of medicine and dentistry, especially when matters of consent or identification or criminal liability arise. Camerieres radiographic methods of dental age estimation in puducherry population aged between 9 and years. 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. 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. However, accuracy of demirjian age estimations is confounded by population. Introduction arious methods are used in orthodontics to evaluate the age of a patient. Evaluation of the accuracy of demirjians method for. The accuracy of radiographic methods for dental age estimation is important. For computation of all point estimates, the statistical software. The suitability of demirjians method for forensic age estimation has been systematically questioned.
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. A sample of 422 dental panoramic radiographs from individuals of known age from 4 to 14 yrs, sex males. 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. 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. The mean dental age da according to the demirjian and nolla methods were compared to the mean chronological age ca. Kvaal and olaf krogstad department of orthodontics and. The demirjian versus the willems method for dental age estimation. Demirjian s method resulted in a consistent overestimation of the dental age for the first belgian caucasian sample, amounting to a median of 0. Pdf dental age estimation by demirjians and nollas method. Dental maturity in saudi children using the demirjian. 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.