<Ul> <Li> mercury </Li> <Li> copper </Li> <Li> organophosphates (insecticide) </Li> <Li> arsenic </Li> </Ul> <Li> organophosphates (insecticide) </Li> <P> Causes of decreased clearance of saliva include: </P> <Ul> <Li> Infections such as tonsillitis, retropharyngeal and peritonsillar abscesses, epiglottitis and mumps . </Li> <Li> Problems with the jaw, e.g., fracture or dislocation </Li> <Li> Radiation therapy </Li> <Li> Neurologic disorders such as myasthenia gravis, Parkinson's disease, multiple system atrophy, rabies, bulbar paralysis, bilateral facial nerve palsy, and hypoglossal nerve palsy </Li> </Ul>

What does it mean when u have a lot of saliva