A fundamental examination of destruction of salivary stones with the aid of a extracorporal shock wave lithotriptor (SONOLITH 2000B).

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Sialolithiasis is a fairly common disorder, associated with pain, swelling and discomfort. In many cases, surgical removal of the stone is required. The stone may grow to considerable size and, when located deep inside the submandibular gland, extirpation of the organ becomes necessary. Another organ in which formation of calculi may occur is the kidney. The serious problems and complications encountered in surgical removal of renal stones have led to intensive search for non-invasive treatment methods. Recently a novel, non-invasive method for renal lithtomy was successfully introduced into clinical practice. The method, extracorporal shock wave lithotripsy (ESWL), utilizes high-energy shock waves to disintegrate the renal stones. The enormous advantage of obviating surgery and long hospitalization has rapidly led to widespread use of this safe, nonsurgical method. We proposed disintegration of the salivary gland stone by shock wave. In vitro experiment, in which 4 sialoliths were subjected to shock waves produced by, SONOLITH 2000 B, demonstrated the destruction of the stones. Secondly, we examined the harm to the salivary gland caused by shock waves. The advantages of the method and the need for modification of the equipment is discused. We suggest that this method is non-invasive for salivary stone, and we should improve this equipment for facial use.
社団法人日本口腔外科学会の論文