1. Poor dental health increases gastric cancer risk.
2. Periodontitis correlates with 25% higher risk of cardia gastric cancer.
3. Fewer teeth correlate with higher cancer risk; 14 or fewer teeth raise risk significantly.
4. The hazard ratio for gastric cancer in those with 14 teeth or fewer is 1.55.
5. No significant interactions between gum inflammation and tooth count were found.
6. Inflammation and oral microbiota imbalances may contribute to cancer risk.
7. Study conducted from 2009 to 2016 in Sweden.

Source: BMC Medicine