[Human papillomavirus infection in the oral cavity of denture wearers].

Purpose: The purpose of this study was to determine the frequency of human papillomavirus(HPV)infections in the oral cavity of middle-aged and elderly dental patients with dentures.

Methods: In this study, 47 patients (20 men and 27 women), aged from 50 to 78 years, were randomly selected from the patients in the Department of Prosthodontics, Aichi-Gakuin University Affiliated Dental Hospital. Oral squamous cells were collected from swabs of the buccal mucosa.

Masticatory performance in 80-year-old individuals.

Objective: To evaluate the masticatory performance of elderly people at the age of 80 years.

Subjects: A total of 283 individuals of 80 years of age took part in a general and dental health survey.

Main Outcome Measures: A dental examination including the number of remaining teeth, occlusion, prostheses, bite force recording, and a questionnaire regarding masticatory performance were recorded.