Étude comparée des maturations dentaire et squelettique chez des enfants et adolescents français

Proy, Elisabeth; Sempé, Mathilde; Ajacques, J.-C.

doi:10.1051/odf/1981015

Cited by 12 publications

(4 citation statements)

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“…Differences in dental maturity have been reported not only between white and black populations (9), but also between white children from different countries (7)(8)(9)12). In addition, LOEVY & SHORE (10) noticed differences within a nation.…”

Section: Discussionmentioning

confidence: 99%

Comparisons of dental maturity between the rural community of Kuhmo in northeastern Finland and the city of Helsinki

Nyström

Ranta

Kataja

et al. 1988

Comm Dent Oral Epid

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The aim of the study was to check whether dental maturity charts made in southern Finland can be used without modifications in other parts of the country. For this reason the dental maturity of 90 children living in the sparsely populated areas of Kuhmo in northeastern Finland was compared with that of a larger sample of Helsinki children. Most of the Kuhmo children were 7.0-8.5 and 10.5-12.5 yr of age. The method of Demirjian and associates was used to estimate dental maturity. The means of dental maturity scores were greater in Kuhmo in most half-year groups in both sexes. The median dental maturity scores of Kuhmo children were between the 50th and 84th percentile curves of Helsinki children. A referent of the same age and sex was chosen for each Kuhmo child from the Helsinki children. The paired t-test was based on the difference in dental age. The dental age of the Kuhmo children was higher (P less than 0.05). These findings suggest differences in dental maturity within a fairly homogeneous population, which should be considered when national charts are used.

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Section: Discussionmentioning

confidence: 99%

Comparisons of dental maturity between the rural community of Kuhmo in northeastern Finland and the city of Helsinki

Nyström

Ranta

Kataja

et al. 1988

Comm Dent Oral Epid

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“…In this study, using recent standards (Demirjian and Goldstein, 1976;Demirjian, 1982), a mean difference of 8 to 11 months between estimated and true chronological age was found. Proy et al (1981) found a consistent overestimation of age of about 7 months when the original standard (Demirjian et al, 1973) was tested on a French sample of 3.5 to 14.5-year-old children, and proposed adjusted scores for French children. The new scores (Demirjian and Goldstein, 1976;Demirjian, 1982), which were used in this study, were apparently well suited for the younger group in this study, but for the older groups an adjustment of the scores may be desirable.…”

Section: Demirjian Etmentioning

confidence: 91%

Dental maturity as an indicator of chronological age: the accuracy and precision of three methods

Hägg¹,

Matsson²

1985

The European Journal of Orthodontics

199

101

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The study was designed to investigate the accuracy and precision of three different methods for estimation of chronological age (Liliequist and Lundberg, 1971; Demirjian ci' al., 1973 and Gustafson and Koch, 1974), based on tooth formation. Accuracy test. For each method, the mean difference and degree of linear correlation between estimated and true chronological age was determined in 300 3.5-12.5-year-old Swedish children. The data were arranged in subgroups according to sex and age. Precision test. For each method, the inter-examiner variation was studied in terms of the mean difference between the estimated age obtained from independent readings of 60 panoramic radiographs of the teeth by the two examiners. The intra-examiner variation was studied by calculating the mean difference between two independent readings of the same 60 radiographs by the same examiner. A high accuracy was found when the method proposed by Demirjian et al., was applied to 3.5-6.5-year-old children. This method showed a low accuracy in the older age-groups, however. The accuracy of the method devised by Liliequist and Lundberg (1971) was found to be low in all age-groups, and age determination using this method resulted in systematic underestimation of age. The accuracy of the method described by Gustafson and Koch (1974) was high when applied to boys, but low in girls. The precision was found to be high for the methods of Demirjian et al. (1973) and Liliequist and Lundberg (1971) but somewhat lower for the method of Gustafson and Koch (1974). Estimation of age is preferably done during early childhood. Of the methods tested, the one proposed by Demirjian et al. (1973) is the most reliable at these ages, due to its comparatively high accuracy and precision.

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“…The tooth formation standards of Demirjian et al (1973) estimated a subject's chronological age (from 2 to 20 years) within 15-25 months of 85% confidence. Later, tests of these Canadian standards on a sample of French children in Lyons found a mean advancement of nine months in the dental development of the French children (Proy et al, 1981 1. A further test of the methods developed by Demirjian and co-workers on Finnish children found that the models predicted dental age reliably (Kataja et al, 1989).…”

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confidence: 97%

Accuracy tests of tooth formation age estimations for human skeletal remains

Saunders¹,

DeVito²,

Herring³

et al. 1993

American J Phys Anthropol

113

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Estimations of age from tooth formation standards for a large (n = 282) sample of subadult skeletal remains from a 19th century historic cemetery sample were analyzed. The standards of Moorrees et al. (1963a,b) for the permanent and deciduous teeth, and Anderson et al. (1976) for the formation of permanent dentition were employed in a variety of combinations to calculate mean dental ages. Tests of accuracy and bias were made on a small sample (n = 17) of personally identified individuals, and age of attainment scores were compared to age of prediction scores for each individual. The resulting dental age distributions for the skeletal sample were compared to documented burial records for the cemetery to determine the representativeness of the skeletal sample. These comparisons showed little difference between age of attainment versus age of prediction methodologies. The standards of Moorrees et al. (1963a,b) were observed to provide the most accurate estimates of age with a standard deviation of one-half year. The standards of Anderson et al. (1976), while easier to use and more extensive, are problematic in that the original reference sample begins at three years of age, while the sample used by Moorrees and colleagues begins at birth. The skeletal age distributions compare well to the overall chronological age distribution for the cemetery. These results affirm that tooth formation age estimates for subadult skeletal remains from archaeological or forensic samples provide accurate assessments of age at both the individual and population level.

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Étude comparée des maturations dentaire et squelettique chez des enfants et adolescents français

Cited by 12 publications

References 0 publications

Comparisons of dental maturity between the rural community of Kuhmo in northeastern Finland and the city of Helsinki

Comparisons of dental maturity between the rural community of Kuhmo in northeastern Finland and the city of Helsinki

Dental maturity as an indicator of chronological age: the accuracy and precision of three methods

Accuracy tests of tooth formation age estimations for human skeletal remains

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