Salivary calculi are, as a rule, easily recognized, although they are not of frequent occurrence. They are most frequently located near the buccal end of Wharton's or Steno's duct, and often have a definite outline and shape, rendering their detection by palpation usually easy. There are, however, a number of cases recorded in which their discovery was made by mere chance. Such an instance occurred in my practice. In two of my cases the diagnosis was easily made.
It appears that the growth and formation of salivary calculi begin years before their detection, and in this respect their character is quite in contrast to the stones found imbedded in the nasal cavities, which latter reach a large size after sometimes a growth of only a few months. The secretory function of Steno's or Wharton's duct and of the nasal cavity proper are not only different, but the foreign bodies found
FREUDENTHAL W. SALIVARY CALCULI.. JAMA. 1898;XXX(9):469–471. doi:10.1001/jama.1898.72440610017001e