Dental Eruption, Stature, and Weight of Hiroshima Children

Niswander, Jerry D.; Sujaku, Chokudo

doi:10.1177/00220345600390053101

Cited by 20 publications

(12 citation statements)

References 6 publications

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“…It refers to the movement of a tooth towards its final occlusal position. It was seen that sexual dimorphism for tooth emergence times was evident in the Khasis, as has also been noted by the previous workers in other populations (Clements et al, 1953;Moorrees, 1957;Dahlbeg and MenegazBock, 1958;Lee et al, 1965;Niswander and Sujaku, 1960;Nanda and Chawla, 1966;Mayhall et al, 1978). The salient features of this sexual dimorphism in the Khasis are as follows: (1) The majority of permanent teeth in Khasi females emerged at markedly earlier chronological ages when compared with Khasi males.…”

Section: Discussionsupporting

confidence: 78%

“…Flourine content and climate are also said to affect tooth emergence, but nothing conclusive has been deduced (Krumholt et al, 1971;Short, 1944;Adler and Godeny, 1952;Friedlaender and Bailit, 1969). The time of shedding or premature loss of deciduous teeth because of caries affects the emergence timing of their permanent replacements (Leslie, 1951;Niswander and Sujaku, 1960). Khasis have low incidence of dental caries despite poor oral hygiene.…”

Section: Discussionmentioning

confidence: 99%

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Age and sequence of permanent‐tooth emergence among Khasis

Jaswal¹

1983

American J Phys Anthropol

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The times and emergence of permanent teeth were ascertained by examining 1,263 Khasi children (615 males and 648 females), aged 5 to 15 years. Gingival emergence of the first 28 permanent teeth was recorded and the data were subjected to probit analysis to compute the mean (and standard deviation) emergence time of each individual tooth. Tooth emergence in females was markedly earlier than in males, and canines were most advanced in this respect. Females acquired all their teeth in shorter time span (5.5 years) than males (6.5 years). There were no decisive sex differences in the sequence of tooth emergence. The differences in emergence times between antimeres were statistically nonsignificant. The length of hiatus between two active emergence dental stages was shorter for the maxilla than for the mandible. It occurred between lateral incisor and first premolar in the maxilla of both the sexes, while in case of the mandible, it was spaced between lateral incisor and canine. The Khasis showed early emergence when compared to other populations. The findings support the earlier reports that the controls of deciduous-tooth emergence continue to play some part in emergence of the permanent dentition, especially the first permanent teeth that emerge.

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Section: Discussionsupporting

confidence: 78%

Section: Discussionmentioning

confidence: 99%

Age and sequence of permanent‐tooth emergence among Khasis

Jaswal¹

1983

American J Phys Anthropol

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“…On the other hand, eruption times were generally directly related to the weight of the child, but significant in 50% of the teeth (Table 4) indicating that the influence of weight on eruption time is non-conclusive. In a previous comparative study [31] among the Japanese children in Hiroshima, tooth eruption times were found to be directly influenced by height and weight.…”

Section: Discussionmentioning

confidence: 99%

Weight, height and eruption times of permanent teeth of children aged 4–15 years in Kampala, Uganda

et al. 2013

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BackgroundTooth eruption is a continuous biological process by which developing teeth emerge through the jaws and the overlying mucosa to enter into the oral cavity. Tooth eruption time and sequence are important factors in dental treatment planning, particularly in orthodontics, but also in forensic dentistry to estimate age of a child. Tooth eruption time is influenced by many factors. In this study we set out to determine the timing of eruption of permanent teeth and assess its association with the height and weight of school children aged 4–15 years in Kampala, Uganda.MethodsThis was a cross sectional study comprising of 1041 healthy Ugandan children: boys/girls (520/521) who were consecutively selected from two primary schools in Kampala. The children were clinically assessed for tooth emergency through the oral mucosa as well as measuring their weight and height. The mean and standard deviation of tooth eruption time was estimated for boys and girls. Bivariate analysis was used to assess any significant association between tooth eruption time and demographic variables. Pearson and partial correlation analyses were used to assess any significant association between the tooth eruption time and anthropometric measurements of the children.ResultsGenerally, the mean eruption times for girls were lower compared to boys except for three teeth (#25, #32 and #42) which erupted earlier in boys. The average difference in mean eruption times of all teeth between boys and girls was found to be 0.8 (range, 0–1.5) years. In partial correlation analysis, mean tooth eruption times were positively, but not significantly associated with height while controlling for weight except for the mandibular left central incisor (#31). On the other hand, in partial correlation analysis, mean tooth eruption times were positively associated with weight while controlling for height except for tooth #11, #16, #26 and #41. The weight of the child was significantly correlated with mean eruption times in 50% of the teeth.ConclusionIn the present study, the mean tooth eruption times for girls were lower compared to boys except for three teeth (#25, #32 and #42). The height of the child did not show any significant influence on the tooth eruption times while the influence of weight on tooth eruption times was non-conclusive.

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“…H öffding et al . (7) hypothesized that the dramatically increased caries frequency in Japanese children since World War II (15) has contributed to the observed advancement in the timing of tooth emergence.…”

Section: Comparison Of Mean Permanent Tooth Emergence Ages For Girlsmentioning

confidence: 99%

Impact of caries experience in the deciduous molars on the emergence of the successors

Leroy

Bogaerts

Lesaffre

et al. 2003

European J Oral Sciences

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The purpose of this study was to evaluate the effect of caries experience in a primary molar (decayed and/or restored vs. extracted) on the timing of emergence of its successor. Data were obtained from a longitudinal epidemiological study in a sample of 4468 Flemish children. Survival analyses with log-logistic distribution were performed to calculate median emergence ages and 95% confidence intervals (CI); caries experience was added as a covariate. The results indicate that the emergence of the maxillary and mandibular premolars was accelerated by 2-8 months when its predecessor had been decayed and or restored but had not been extracted. Premature loss of maxillary primary molars resulted in a significant acceleration of the emergence of the premolars; this was not observed in the mandible. In conclusion, when considering permanent tooth emergence ages, caries experience in the primary dentition should be taken into account.

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Dental Eruption, Stature, and Weight of Hiroshima Children

Cited by 20 publications

References 6 publications

Age and sequence of permanent‐tooth emergence among Khasis

Age and sequence of permanent‐tooth emergence among Khasis

Weight, height and eruption times of permanent teeth of children aged 4–15 years in Kampala, Uganda

Impact of caries experience in the deciduous molars on the emergence of the successors

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