Radiographic Study of the Calcification and Eruption of the Permanent Teeth in Inuit and Indian Children

Trodden, Bonnie Joy.

doi:10.2307/j.ctv171xr

Cited by 11 publications

(8 citation statements)

References 12 publications

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“…While stages of tooth mineralization in dry bones are directly comparable to radiographic standards from living samples, living population standards for tooth emergence through the gingiva are not the same as observations of tooth emergence through the alveolus on dry bones (Demirjian, 1986;Merchant, 1973;Trodden, 1982). In addition, only a few published studies are suitable for use in age prediction because they include data for a number of teeth, consist of large reference samples and have an applicable methodology for reporting ages (Anderson et al, 1976;Demirjian et al, 1973;Demirjian and Goldstein, 1976;Haavikko, 1970;Kataja et al, 1989;Moorrees et al, 1963a,b;Nystrom et al, 1986).…”

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confidence: 99%

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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mentioning

confidence: 99%

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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“…A radiographic evaluation of four forming right maxillary permanent teeth using native Canadian dental formation standards yielded an age‐at‐death estimate of 4.0 years (ranging from 3.19 to 5.45 years; both sexes considered). Later, the removal of tooth 5‐5 from the dental crypt revealed its incomplete root apices, which were judged to be at stage A½.…”

Section: Resultsmentioning

confidence: 99%

“…Fischer Company, Chicago, IL) at SFU to estimate age‐at‐death. We used standards of tooth formation for both native and nonnative children as both biological populations are represented among missing persons in northern Canada . Plant matter inside the neurocranium was observed and removed for the identification in an effort to determine the season and location of deposition.…”

Section: Methodsmentioning

confidence: 99%

“…The Ancient DNA Laboratory is specifically designed for and dedicated to ancient DNA analysis, and follows strict contamination control protocols including the use of protective clothing and the separation of the pre-and post-PCR work. DNA was extracted from two unerupted teeth (CC1: permanent upper first premolar [1][2][3][4] and CC2: permanent first upper molar [1][2][3][4][5][6]) as well as a 2.41-g portion of the skull (CC7: right occipital squama). The tooth and bone samples underwent a rigorous chemical decontamination process recommended for forensic and ancient DNA samples (13)(14)(15).…”

Section: Dna Analysesmentioning

confidence: 99%

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Personal Identification of Cold Case Remains Through Combined Contribution from Anthropological, mtDNA, and Bomb‐Pulse Dating Analyses

Speller

Spalding

Buchholz

et al. 2012

Journal of Forensic Sciences

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In 1968, a child’s cranium was recovered from the banks of a northern Canadian river, and held in trust until the ‘cold case’ was re-opened in 2005. The cranium underwent re-analysis at the Centre for Forensic Research, Simon Fraser University, using recently developed anthropological, ‘bomb-pulse’ radiocarbon analysis and forensic DNA techniques. Craniometrics, skeletal ossification and dental formation indicated an age-at-death of 4.4 ±1 years. Radiocarbon analysis of enamel from two teeth indicated a year of birth between 1958–1962. Forensic DNA analysis indicated the child was male, and the obtained mitochondrial profile matched a living maternal relative of the presumed missing child. These multi-disciplinary analyses resulted in a legal identification 41 years after the discovery of the remains, highlighting the enormous potential of combining radiocarbon analysis with anthropological and mtDNA analyses in producing confident personal identifications for forensic cold cases dating to within the last 60 years.

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“…The eruption of permanent teeth in the Inuit occurs earlier than in Caucasians (55-56) and may be an additional factor that could inflate these scores. Trodden (55) suggested that in addition to the early eruption of permanent teeth, tooth morphology and a fluoride-deficient diet could be responsible for an increased susceptibility of Inuit teeth to decay.…”

Section: Discussionmentioning

confidence: 99%