TY - JOUR AB - OBJECTIVES: The German reunification (1990) resulted in huge social upheavals in East Germany involving changes in health-care systems. We aimed to assess the changes of dental health between 1989 and 2005, hypothesizing that dental health converged in West and East Germany. METHODS: We evaluated data from 855 East and 1,456 West Germans aged 35-44 years from the cross-sectional German Oral Health Studies (Deutsche Mundgesundheitsstudien) conducted in 1989/92, 1997, and 2005. Regression models were applied to assess associations between region, survey year, their interactions and variables assessing dental disease status [number of decayed (DT), missing (MT), and filled teeth (FT), the DMFT-index, the probability of having