Studies on the Consecutive Survey of Succedaneous and Permanent Dentition in the Japanese Children

Ando, Shoichi; Nakamura, Yoshiki; Oshima, Shoichi; Sato, Akio; Suzuki, Yoshihiko

doi:10.2334/josnusd1959.15.71

Cited by 3 publications

(5 citation statements)

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“…There is a consensus that eruption rates come to exceed rates of root growth as a tooth approaches occlusion (Gleiser & Hunt 1955;Schumaker & El Hadary 1960;Ando et al 1965;Darling & Levers 1976;Feasby 1981;Inoue & Suzuki 1992;Takeshima et al 2004). The spurt in root growth and the eruption surge are far from equal in magnitude, and eruption rates can exceed root growth by as much as 4.6 mm yr K1 in humans (Feasby 1981), and can to some extent be predicted from the height of the jaws (Takeshima et al 2004).…”

Section: How Tooth Roots Grow In Lengthmentioning

confidence: 99%

Tooth microstructure tracks the pace of human life-history evolution

Dean

2006

Proc. R. Soc. B.

150

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A number of fundamental milestones define the pace at which animals develop, mature, reproduce and age. These include the length of gestation, the age at weaning and at sexual maturity, the number of offspring produced over a lifetime and the length of life itself. Because a time-scale for dental development can be retrieved from the internal structure of teeth and many of these life-history variables tend to be highly correlated, we can discover more than might be imagined about fossil primates and more, in particular, about fossil hominids and our own evolutionary history. Some insights into the evolutionary processes underlying changes in dental development are emerging from a better understanding of the mechanisms controlling enamel and dentine formation. Our own 18-20-year period of growth and development probably evolved quite recently after ca 17 million years of a more ape-like life-history profile.

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Section: How Tooth Roots Grow In Lengthmentioning

confidence: 99%

Tooth microstructure tracks the pace of human life-history evolution

Dean

2006

Proc. R. Soc. B.

150

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“…The aim of this study was to compare the accuracy of age estimation from eruption levels. Methods tested were Gleiser and Hunt (1955), Garn et al (1958), Ando et al (1965), Haavikko (1970) and clinical eruption from Smith et al (1998). The sample was 946 panoramic dental radiographs from children aged 3-16 years.…”

Section: Introductionmentioning

confidence: 99%

“…Age was estimated if a tooth was at AE or PE, using Glesier and Hunt (1955), Garn et al (1958), Ando et al (1965) and Haavikko (1970). If a tooth was partially erupted, age was also estimated from Haavikko (1970) and Smith et al (1998).…”

Section: Introductionmentioning

confidence: 99%

“…These values are shown in Table 1. Values for Ando et al (1965) were calculated in Liversidge (2003) and contain an error M1 in boys. The raw data show that 60% of the youngest age category had reached AE.…”

Section: Introductionmentioning

confidence: 99%

“…Chronological age was subtracted from estimated age by tooth type and eruption level and the difference Gleiser and Hunt (1955), Garn et al (1958), mean age calculated from Ando et al (1965) tabulated in Liversidge (2003), median age from Haavikko (1970) and mean age of clinical emergence from Smith et al (1998). Bold values estimated age with no average bias (difference between dental age and chronological age not significant to zero).…”

Section: Introductionmentioning

confidence: 99%

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Accuracy of estimating age from eruption levels of mandibular teeth

Willmot¹,

Hector²,

Liversidge³

2018

DAJ

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Little is documented on the accu-racy of estimating age from alveolar eruption (AE) or partial eruption (PE). The aim of this study was to compare the accuracy of age estimation from eruption levels. Methods tested were Gleiser and Hunt (1955), Garn et al. (1958), Ando et al. (1965), Haavikko (1970) and clinical eruption from Smith et al. (1998). The sample was 946 panoramic dental radiographs from children aged 3-16 years. Left mandibular teeth (excluding third molar) were assessed for eruption level (AE and PE) and root quarters. Methods, teeth and eruption levels were deemed to be accurate if the average difference between estimated and chronological ages was not significant to zero using a t-test (P>0.05). Results show that early erupting permanent teeth were fairly good at estimating age, although there was considerable age variation in eruption. Haavikko incisors and molars at AE and Haavikko and Smith central incisor and second molar at PE estimated age accurately. Root stage of erupting teeth estimated age more accurately than eruption level using Haavikko. These findings suggest that erupting permanent mandibular teeth can be helpful in estimating age.

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Ukai

1983

J Dent Hlth

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Studies on the Consecutive Survey of Succedaneous and Permanent Dentition in the Japanese Children

Cited by 3 publications

References 4 publications

Tooth microstructure tracks the pace of human life-history evolution

Tooth microstructure tracks the pace of human life-history evolution

Accuracy of estimating age from eruption levels of mandibular teeth

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