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A noninvasive and painless technique is now available for the treatment of salivary stones and is recommended as the first line of therapy by Heinrich Iro, MD, Gerhard Waitz, and Nikolaus Nitsche. These authors presented their findings of the first clinical experience in extracorporeal piezoelectric lithotripsy of salivary stones at the September 1991 annual meeting of the American Academy of Otolaryngology—Head and Neck Surgery in Kansas City, Mo. Until the advent of lithotripsy, the treatment options for salivary stones were to leave the stones in place, to excise them through an intraoral approach, or to excise the affected gland. First-generation lithotripters did not have the capability of having a focal volume small enough to allow for use in the head and neck region. With the advent of new-generation lithotripters, it is possible to have focal volume rate and strength compatible with use in the head and neck region.
PARKER GS. First Clinical Experience in Extracorporeal Piezoelectric Lithotripsy of Salivary Stones. Arch Otolaryngol Head Neck Surg. 1992;118(2):123. doi:10.1001/archotol.1992.01880020015007
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