ABSTRACT
The causes of extra-and intraoral swelling are given in Tables 5 and 6.
ETIOLOGY AND PATHOGENESIS Mumps represents an acute viral sialadenitis predominantly involving the parotid glands, although other glands may be affected. Infection is caused by a paramyxovirus that is highly infectious and transmitted by saliva. A 2-3 week incubation period precedes the clinical symptoms.
