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Regular toothbrushing could help stave off cardiovascular disease, according to a nationally-representative study in Scotland.
Individuals who rarely or never brushed were 70% more likely to have a heart attack or other cardiovascular disease event (P<0.001) even after controlling for many other factors, found researchers led by Richard Watt, MSc, PhD, of University College London.
Even brushing once a day rather than twice a day was associated with a significant 30% increase in the risk of these fatal or nonfatal events.
Low-grade inflammation appeared to be playing a role, although whether it is a causal role remains uncertain, Watt's group reported online in BMJ.
These increases in risk could have a "profound public health impact," they wrote in the study.
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