If your man doesn’t take care of his dental hygiene, it could lead to some pretty sad side-effects in the trouser department. Feeling deflated by his lack of oral hygiene? You won’t be the only one… According to a new study from Taiwan, poor dental hygiene has been linked to an increased chance of erectile dysfunction in men. In the study, men suffering from chronic periodontal disease – a condition where the gums pull away from the teeth causing a build-up of bacteria – 70% of male sufferers were linked to erectile dysfunction. So how is his mouth linked to his manhood? (No, that wasn’t a dirty question) Well inflammation caused by gum disease may damage a man’s endothelial cells, which form the lining on all of the blood vessels—including those in his penis. According to Men’s Health expert Dr. Larry Lipshultz, endothelial damage can result in impaired blood flow, leaving him limp in the sack. And the best way to protect his penis? Nag him to keep those pearly whites brushed, flossed and sparkly white. The occasional trip to the dentist can’t hurt either…