Abstract
There is a high incidence of wounds in the excretion duct of the salivary parotid gland owing to facial trauma that causes a loss of duct tissue. The aim of this study is to evaluate the ability of the salivary tissue to spontaneously self-regenerate, which is here widely demonstrated. This work was carried out on 20 adult dogs. A biomaterial catheter was inserted using microsurgical procedures to regenerate the lost duct tissue. This catheter served as an indicator for regenerating tissue growth. The results were assessed through clinical and radiographic exams by means of salivary charts and a histologic study. The results obtained demonstrate the complete regeneration of the Stensen duct in all cases. The self-expulsion of the intraductal guide was satisfactory, albeit unexpected, such that subsequent management of the patient was unnecessary. Spontaneous tissue regeneration of salivary ducts is possible using a biomaterial guide.
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