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Fig.1. Map of United Kingdom showing Medieval Canterbury in AD1703 (after Somner, AD1703). Dental samples were from juvenile skeletons recovered during excavation of St Gregory’s priory and cemetery. See Section 3.1.
ig.2. Bivariate box plot (A) subdividing each age group in Table 3 into quartiles, with dental microwear texture images showing 3D representations of molar enamel surfaces from two children in the cemetery. Each image represents a field of view measuring 242 x 181μm2. Changes in colour indicate changes in depth. (B) When many pits and scratches are present together, or overlying each other, they produce a ‘rougher’ surface and a higher complexity value. The more complex surface of the 6.1-8 year olds, combined with a relatively low anisotropy value (C), implies that they had a harder diet compared to the 4.1-6 year olds. Their anisotropy value is low because scratches (lower right to upper left corner; lower surface to upper right corner) are not orientated in the same direction.