Much effort has been devoted to finding methods for detecting individuals w
ith low bone mass and risk of osteoporotic fractures. The aim of the presen
t study was to investigate whether there is a relationship between the thic
kness of the alveolar process and the bone mineral density (BMD) of the dis
tal forearm. In 24 women (38-65 years), the BMD of the distal forearm, obta
ined by dual X-ray absorptiometry, was correlated to the difference between
two measures of the thickness of the mandibular alveolar process in the re
gion of the first premolar. A highly significant correlation (r 0.95, P < 0
.001) was found. The method was cross-validated by using the equation obtai
ned from the linear regression analysis above to predict BMD in two other g
roups. In both groups, the correlation betweeen the measured BMD of the for
earm and the predicted BMD was highly significant (r = 0.91, P < 0.001). Th
e interdental thickness between the canine and the second incisor was also
correlated to BRID, but with lower predictive value (r 0.67, P < 0.001). Me
asurements of the mandibular alveolar process can be used as one of several
parameters to predict skeletal bone density.