10-year trend of tooth loss and associated factors in a Japanese population-based longitudinal study.

ABSTRACT:

Objectives

We examined the trend in the number of missing teeth in a Japanese community over a 10-year period and the potential associated explanatory factors.

Design

Prospective cohort study.

Setting

A population-based study conducted in 2007, 2012 and 2017 in Japan (Hisayama Study).

Participants

Residents of a Japanese community aged 40-79 years undergoing dental examination in 2007 (n=2665), 2012 (n=2325) and 2017 (n=2285).

Outcome measures

The number of missing teeth, periodontal condition, dental caries experience, dental plaque index and oral health behaviours were evaluated each year. The longitudinal analysis of variation in these factors were assessed using mixed models.

Results

The age-adjusted and sex-adjusted mean number of missing tee

SUBMITTER: Furuta M 

PROVIDER: S-EPMC8375749 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature