The decayed upper teeth in the same child at ages 5 and 8.

Fig. 37. Teeth in the upper jaw of a five-year-old child. The temporary lateral incisors, canines, and the posterior molars are decayed. Fig. 38. Teeth of the same child at eight years of age. Some of the permanent teeth have appeared, although the two permanent molars have become carious. From 'The Teeth in Health and Disease' by George Read Matland, 1902.