Illinois was ranked as the state with the best dental health in 2026 by personal finance website Wallethub, earning a score of 75.21 out of 100. Mississippi received a total score of 32.93, ranking as the state with the worst dental health in 2026. The study gave all 50 states and Washington, D.C., a score based on 25 metrics, including the share of individuals who visited a dentist in the past year, dental treatment costs and adults who experience pain due to their oral health condition. There were two main categories for the metrics: dental habits and care and oral health. Here are the 10 states with the best and worst dental health in 2026, along with their scores out of 100:Top 10:Illinois: 75.21 Minnesota: 74.09 Wisconsin: 73.88 Connecticut: 73.01 Idaho: 72.61 Michigan: 71.61 North Dakota: 68.12 Massachusetts: 67.95 Washington, D.C.: 65.64 Ohio: 65.56Bottom 10: