Conclusion In this study, participants with < 20 teeth had a significantly higher risk of all-cause mortality, although the difference was borderline significant.
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Association between presence of 20 or more natural teeth and all-cause, cancer-related, and cardiovascular disease-related mortality: Yamagata (Takahata) prospective observational study.
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The sentences
However, the risk of cancer- and cardiovascular disease-related mortality did not reach statistical significance between the two groups.
The interaction between number of teeth and age ( p = 0.053), and between number of teeth and smoking ( p = 0.055), showed borderline significance.