Sir, this radiograph (Fig. 1) was taken of a fit young man and we were both surprised to discover that all his teeth have such short roots. Trawling through books and Internet searches has provided no explanation and so I hope that one of your readers will be able to provide an explanation.

Figure 1
figure 1

Radiograph of a young adult male showing short roots

Full size image

There are concerns that this could be an expression of some genetic problem as he has just got married and intends to have a family in a few years.