Secondary dentine as a sole parameter for age estimation. In order to simplify the method, maples reduced the numeber of gustafsons dental agerelated changes to 2, using only secondary dentine formation and root transparency. The use of permanent maxillary and mandibular canines in sex. Currently best age estimation methods use combinations of related age estimation methods and the age is reported together. Abstract for a number of years it has been realized that age related morphological changes in the human skeleton are not the most accurate, or precise, means of estimating the age at death for an individual, and that dental changes can be used as an alternative. Age estimation from the physiological changes of teeth using. Gustafsons method 1950 gustafson 1950 and thoma 1944 reported the age variations occurring in t tissues and recorded six variations seen in tooth related to age. Gustafsons method 1950 of age determination is widely applied in forensic odontology. Methods of age estimation in adults morphological methods gustafsons method. 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. Gustafson created a method of dental age estimation, using six agerelated changes of teeth that occur after the eruption of the dentition. Gustafsons method of age estimation in 1950, gosta gustafson developed age estimation method based on morphological and histological changes of the teeth.
Model of age estimation based on dental factors of unknown. Koteswara rao department of biology, central forensic science laboratory, bureau of police research and development imhai, government of india, ramanthapur, hyderabad 500 0, a. Gustafsons method for age determination from teetha. Taking both mean differences and mean absolute differences into account, the chinese age estimation formula did not always perform better compared with olzes and timmes formulas for both males and females. Bhaskarb a, medical college, trivandrum and b, institute of medical sciences, osmania medical college, hvderabad india summary a study of 83 teeth using gustafson s method was made from 59 cases. The gustafsons method for age determination from teeth which is based on. Assessing the accuracy of camerieres indianspecific. Testing gustafson s dental age estimation method on a sample of western cape adults. Periodontosis was better correlated with age than root transparency, where the highest r2 value was 0. In 1992, lamendin and colleagues published a nondestructive method of age estimation on single rooted teeth. Jan 29, 2017 gustafsons method formula gustafsons method. Pdf age estimation by gustafson method and its modifications. The estimation of age performed on the basis of histological examination and evaluation of morphological changes in. Two examiners independently used gustafsons method to estimate the ages of the donors of the teeth.
Age estimation age estimation is one of the forensic sciences and should be an important part of the identification process. Therefore, this study aimed to assess the usability of human permanent canines in the determination of two demographic characteristics, namely sex and. Age assessment in the living using modified gustafsons. Six age associated parameters are evaluated in the ground section and are compared to a regression curve of age versus the age associated changes. 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. A modified gustafson method of age estimation from teeth summary.
Age estimation from teeth using gustafsons method a. However, this statement has been contested nkhumeleni et al. The aim of this study was to test the accuracy of the lamendin method on a large sample of. Gustafsons method, as described in the introduction, involves summing the six point values obtained for each and regressing the sum with age.
Four point allotment system as per gustafsons method. We offer another statistical analysis of gustafsons data and find that the errors calculated by maples and rice were also in error, being about a year too small. This paper critically examines three of the methods used for estimating human age from the dentition which have. Pdf accuracy of age estimation in kerala population. The gustafson s method is the most popular age estimation method being used since 1950.
Physiological changes in teeth as a tool to estimate age. The present study dealt with the comparative analysis of age estimation by newly derived formula and gustafsons formula in indian population. Age estimation by gustafson method and its modifications. This paper critically examines three of the methods used for estimating human age from the dentition which have appeared in the. Age estimation constitutes an important factor in the identification of an. Further comments on the estimation of error associated with. This age estimation method has been used on unidentified individuals at the salt river and the tygerberg medicolegal laboratories. I declare that a study to determine the accuracy of gustafsons method of age estimation on adult teeth when applied to a sample of the population of the western cape is my own work, that it has not been submitted for any degree or examination to any other university, and that all the sources i have used or quoted. Four point allotment system as per gustafsons method 14 attrition a. A test of the lamendin method of age estimation in south. Small variations in tooth formation and eruption among persons has made dental estimation of chronological age the primary method of age determination for younger persons.
Gustafsons method was used for the anterior teeth from the working sample fig. Lamendins method of age estimation yielded poor precision and accuracy. F111 single rooted teeth were collected from the department of oral health sciences, pgimer, chandigarh. Six age associated parameters are evaluated in the ground section and are compared to a regression curve of age versus the age associated chan. Gustafson 1 summed the points allocated to each of the six age related changes listed above and then calculated a regression line from a sample of extracted teeth of known age. Received june, 1989 revision received march, 1990 accepted june, 1990 summary modifications to the gustafson method of age estimation from teeth are described. Gustafsons method for age determination, revised request pdf. This method was found to be inaccurate when applied. In the field of forensic medicine, odontology has got an important role in the determination of age as well as sex. Further comments on the estimation of error associated with the gustafson dental age estimation method. The sum of the dental factors presented a better model than each of the factors alone. Age estimation can be done by using various parameters such as morphological parameter, radiological parameter, cementum thickness, dentinal thickness, volume of pulp tooth ratio, incremental lines, gustafsons method, but these are time consuming techniques and can be abandoned if a valid and time effective alternative is available. The objective of this study was to prove the applicability.
This study is based on modified gustafsons method to evaluate the physiological changes occurring in teeth during aging process and to estimate the age using multiple regression analysis. The principal method of age estimation differs in each age group. F 111 single rooted teeth were collected from the department of oral health sciences, pgimer, chandigarh. Age estimation in children and adolescents can be performed with a standard technique given by schour and masslers 25. Every tooth was subject to longitudinal section of the midpulpal area. Gustafsons method for age determination from teeth is based on the evaluation of ground sections of teeth. Human dentition follows a reliable and predictable developmental sequence usually begins at the 4th month and is continued till the beginning of the third decade of life when the development of permanent teeth is completed. For age estimation the method according to gustafson was used. This age estimation method has been used on unidentified individuals at the salt river and the tygerberg medicolegal laboratories, but the accuracy is questionable as to whether the method is applicable to the population of the western cape. Testing gustafsons dental age estimation method on a sample of western cape adults. Bhaskarb a, medical college, trivandrum and b, institute of medical sciences, osmania medical college, hvderabad india summary a study of 83 teeth. Age prediction in the adult based on the pulptotooth. They are designed to minimise the subjective nature of the scoring technique. Thoma 1944 described a histomorhogical method for age estimation in which 6 regressive changes were taken into consideration which are as follows.
Pdf in this era of evidence based medicine much of expertise in field of forensic odontology is drawn from basic research and experience. This age estimation method has been used on unidentified individuals at the salt river and the tygerberg medicolegal laboratories, but the accuracy is questionable as to whether the method is. A comparative evaluation of gustafsons formula and new. The first premolar is recommended as the first step in the estimation of age. With this method, periodontosis and root transparency are judged against root height, and these are then used in regression formulae to estimate age. Jan 07, 2014 age estimation from dentition the final step in triad of dental profiling, age estimation is an important subspecialty of forensic sciences. A comparative evaluation of gustafsons formula and new formula for age estimation in india full text. Kvaals method, pulptooth, s econdary dentine eproducible gustafsons given the 6 age dentition.
He used six retrogressive changes in teeth, namely attrition, secondary dentin deposition, periodontal status, root transparency, cementum apposition, and root resorption. Six criteria are level of attrition, secondary dentine deposition in pulp, changes in periodontium, root. Gustafson described a method wherein various criteria of normal physiological changes in a tooth other than dental eruption order are considered in determining the age of a person. A study to determine the accuracy of gustafsons method of age. A study to determine the accuracy of gustafsons method of. Age estimation using impacted mandibular third molar teeth in.
Nevertheless, there are number of approaches used for this purpose, such as gustafsons method gustafson, 1950. Dental age estimation in the living after completion of third. Age estimation using three established methods a study on indian. Research article open access tooth coronal pulp index as a. Dental age estimation makes use of morphologic, radiographic, histologic, and biochemical methods to examine the age dependent changes in teeth. The present study has been undertaken to examine the reliability of gustafsons qualitative method and kedicis quantitative method of measuring secondary dentine for age estimation among north western adult indians. Estimation of age by secondary dentin deposition, root translucency and cementum apposition a unique modification of gustafsons method article pdf available june 2015 with 658 reads. Gustafsons method for age determination from teeth a modification for the use of dentists in identification teams.
Pdf a comparison of three dental techniques for estimating. Age estimation from dentition the final step in triad of dental profiling, age estimation is an important subspecialty of forensic sciences. Article information, pdf download for age estimation from. Age estimation in prenatal, neonatal and early postnatal child, age estimation in children and adolescents and age estimation in adults pretty, 2003. We give a formula for what we believe to be the correct treatment of errors in such cases, but conclude by observing that there is an urgent need for a more rigorous study of the. A modified gustafson method of age estimation from teeth. This is because most of the dentition has completed development by young adulthood panchbhai. Pdf estimation of age by secondary dentin deposition. A bayesian approach to adult human age estimation from dental. Age estimation using impacted mandibular third molar teeth. Modifications to the gustafson method of age estimation from teeth are described. Estimation of age by pulptooth area ratio using three. Degenerative dental characteristics appear to be suitable for forensic age diagnostics beyond the 18th year of life. Secondly, the lamendin technique of age estimation was tested and adapted to a south african sample.
Six ageassociated parameters are evaluated in the ground section and are compared to a regression curve of age versus the ageassociated changes. Testing gustafsons dental age estimation method on a sample. Assessing the accuracy of camerieres indianspecific formula. In summary it seems that the dimensions of the canine are useful in estimation of sex, should the population group be. Age estimation using physiological changes of teeth. To derive a formula for age estimation using multiple regression analysis in our population by modified gustafson s method 3. Dead person requires age estimation fora during disaster victim identification. Age estimation using the dentition can be grouped into 3 phases azaz et al. As his regression line is often used with scepticism it was decided to subject his observations to a pearsons correlation coefficient analysis and redraw his regression line. They are designed to minimise the subjective nature of the scoring technique and to quantify the regressive changes in the enamel, dentine and cementum.
A bayesian approach to adult human age estimation from. Gustafson s method, as described in the introduction, involves summing the six point values obtained for each and regressing the sum with age. Age estimation in unknown adult skeletons remains a considerable problem in forensic anthropology. He then calculated the regression formula to estimate the age.
Age estimation from physiological changes of teeth. The method is useful in determining the age of the victim, when teeth are the only trace evidences collected as. Age estimation from physiological changes of teeth by gustafsons. Gustafson s method for age determination from teeth is based on the evaluation of ground sections of teeth. Oct 19, 2017 gustafsons method of age estimation in 1950, gosta gustafson developed age estimation method based on morphological and histological changes of the teeth. This provides the smallest difference between estimated and chronological age and mainly depends on the expertise of the forensic examiner 21,23.
This method was found to be inaccurate when applied to a sample of the adult population of the western cape. Estimation of age by pulptooth area ratio using three computer aided softwares. Two of these changes, transparency of radicular dentin and secondary dentin. Pdf with increasing age there are many changes in teeth such as attrition, peridontal disease, deposition of secondary dentine, root. Age estimation from teeth with critical analysis of gustafsons method. The objective of this study of the maturation of deciduous dentition was to offer a novel ageestimation method for mediterranean populations, using the osteological collection of fetuses, infants, and young children in the anthropology laboratory. Pelagia research library age estimation using physiological. To estimate age of an individual using the formula obtained by modified gustafsons method.
The main aim of this study was to apply modified gustafsons method and to evaluate the reliability of this method for age estimation. By plotting actual age on one side and the calculated score on the other side then the regression formula obtained then age estimation was done, deviation of estimated age from actual age noted and results subjected for statistical analysis. They are designed to minimise the subjective nature of the scoring technique and to quantify the regres sive changes in the enamel, dentine and cementurn. This is used for the age estimation from teeth specially for the. Oct 08, 2015 the known age was from 21 to 70 years with the average age of 43. Gustafsons method of age estimation was based on europeans from sweden.
Dental age estimation in the living after completion of. Age estimation from the teeth may be the only useful method. Gustafson 1 summed the points allocated to each of the six agerelated changes listed above and then calculated a regression line from a sample of extracted teeth of known age. Six ageassociated parameters are evaluated in the ground section and are compared to a. It was concluded that this method can be used in chinese individuals for age assessment. Testing gustafsons dental age estimation method on a.
Age estimation from teeth using gustafsons method a study. However, dental age estimation in adults is generally considered more challenging. Home age estimation a comparative evaluation of gustafsons formula and new formula for age estimation in india full text. Teeth age can also be estimated from microscopic examination of a section of central part of teeth by counting the cross striations which appear daily as devised by boyde and gustafsons method. Gustafson s method was used for the anterior teeth from the working sample fig. Age estimation is an important part of forensic dentistry. The use of permanent maxillary and mandibular canines in. The objective of this study was to prove the applicability and reliability of this. The gustafsons method is the most popular age estimation method being used since 1950. Gustafsons age estimation includes six age related changes of teeth. Age estimation in this study was done by two established radiological methods like tooth coronal index tci and kvaals method and two histological techniques kashyaps and koteswara modification of gustafsons method and secondary dentine method.
790 1188 528 1163 766 186 640 954 154 44 1435 848 1090 778 1273 1180 895 1041 93 1190 767 557 1501 396 160 1241 1338 682 624 30 1306 695 1546 1099 367 461 901 924 755 338 618 999 438