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

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.Prospective cohort study.A population-based study conducted in 2007, 2012 and 2017 in Japan (Hisayama Study).Residents of a Japanese community aged 40-79 years undergoing dental examination in 2007 (n=2665), 2012 (n=2325) and 2017 (n=2285).The number of missing teeth, periodontal condition, dental...