[The etiology of salivary calculi].
Ninety-four patients with chronic sialodochitis, 45 of these with sialolithiasis, have been followed up for a long time. Sialolithiasis develops in patients with congenital defects in the ductal system of the salivary gland presenting as ectasias and can be regarded as calculous sialoductitis. The etiological factors of sialolithiasis (calculous sialoductitis) are strictures (stenosis) of the ducts (distal portions) and specific topography of the duct (a "broken" duct with abrupt curves in which the concrements may form).
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