Plate 10. The developmental changes in human teeth with age. Several temporary (deciduous) canine teeth (Fig. 1), temporary molars (Fig. 2), the formation of permanent teeth (Figs. 3 and 4), changes that take place during different periods of growth (Fig. 5), cross-section of a jaw of a six-year-old child (A) and an eight to nine-year-old child (B), the appearance of the canine and second permanent molars (C), part of an adult jaw (D), the upper jaw of a foetus (Fig. 6).

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Credit: Plate 10. The developmental changes in human teeth with age. Several temporary (deciduous) canine teeth (Fig. 1), temporary molars (Fig. 2), the formation of permanent teeth (Figs. 3 and 4), changes that take place during different periods of growth (Fig. 5), cross-section of a jaw of a six-year-old child (A) and an eight to nine-year-old child (B), the appearance of the canine and second permanent molars (C), part of an adult jaw (D), the upper jaw of a foetus (Fig. 6). Wellcome Collection. Source: Wellcome Collection.