Daily enamel apposition rates (means ± SD) in inner, central and outer third of the enamel layer in different locations of mandibular first molars of four Soay sheep.

The percentages given in brackets in the columns “following oxytetracycline injection” indicate the amount of the respective enamel matrix secretion in relation to that occurring after calcein injection. Values are averages from measurements on the mesial and distal tooth lobes.