Infant feeding practices and childhood diet at Apollonia Pontica: Isotopic and dental evidence
Bibliographic record
Abstract
OBJECTIVE: This study analyzes deciduous dental pathology and stable isotopes to investigate the relationship between diet, feeding practices, and oral health in a subadult skeletal sample from the Greek colonial site of Apollonia Pontica, Bulgaria (mid-5th to mid-3rd Centuries BC). METHODS: Stable carbon and nitrogen isotope analysis was conducted on 74 bone collagen samples, and the deciduous dentitions of 85 individuals aged 8.5 months to 11 years were examined for evidence of caries, calculus, antemortem tooth loss, abscesses, and occlusal tooth wear. RESULTS: δ(13) C and δ(15) N values of the collagen samples indicate that weaning began between the ages of 6 months and 1 year, and was complete for most individuals by the age of 3. The isotopic data are consistent with a mixed diet of primarily terrestrial C3 resources. The dental pathology data indicate that complementary foods provided to young children had an impact on their oral health early on. Four outliers exhibited elevated δ(15) N values compared with the adult female range and lower levels of tooth wear than other members of their age groups. Possible explanations include prolonged breastfeeding, the consumption of diets elevated in (15) N, and physiological/nutritional stress. CONCLUSIONS: The deciduous dental data correlate well with the isotopic data and are consistent with later textual sources regarding the timing and duration of weaning, and the composition of complementary foods. The results of this research demonstrate the value of combining isotopic and dental evidence to investigate the dietary practices of infants and young children and the impact of these practices on oral health.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.004 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".