[Clinico-statistical and pathological observation on sialolithiasis over 11 years at Department of Dentistry and Oral Surgery, Nagoya National Hospital (1978-1988)].

A clinico statistical and pathological study was made on 21 cases of the sialolithiasis patients who has been examined at the Department of Dentistry and Oral Surgery, Nagoya National Hospital between April, 1978 and December 1988. There were more male patients than female patients (12 males and 9 females) with a male to female ratio of 1.3:1. According to age group the majority (28.6%) were in their youngest was 17 years old, and the oldest was 72 years old. The left to right ratio was 1.4:1. The earliest visit was made 5 days after onset and the longest was 11 years. The majority was seen within one month (28.6%). The medical institution with which the patient consulted most often prior to visiting our department, was the private dentist's which accounted for 52.4% of all institutions. In the radiograph of the salivary gland tissue extracted together with the salivary calculus, slight lymphocyte cellular infiltration, moderate atrophy of the acinus and fibrous degeneration, and chronic sialitis such as ductus dilatation and others were observed.