Eli5: Why is it that your gums bleed when you brush your teeth for the first time in a couple days or more?

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Edit: Sake of clarity, I suffer from a litany that all impact executive functions. As much as I regret to admit it, the extent of my personal hygiene is making sure my hair don’t dry Tf out or get too oily, and making sure I don’t smell like shit. Bare minimum. I’m an unkempt and wild looking person, which makes people tend to avoid me; which I personally don’t mind at all. However I’m fully aware that I have many issues which need working on. They’re holding me back in many ways, neglecting my body and my living space even worse. Didn’t mean to give a sob story lol, just to explain as to why I have issues like this.

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19 Answers

Anonymous 0 Comments

Quite simply your gums get mildly infected and irritated after not brushing for a while so that the relatively violent act of brushing them is enough to make them bleed.

The simple fix is to brush your teeth regularly. The infection goes away after a day or two and the bleeding stops.

Anonymous 0 Comments

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Anonymous 0 Comments

Because you are starting to develop gingivitis. Gingivitis is an irritation of the gums caused by bacteria, very tiny animals, that grow in your mouth and feed off tiny particles of food. The bacteria form a film called plaque, which can be removed by brushing, but will form a hard layer called tartar if left too long which is harder to remove. The tartar protects the newer bacterial plaque from being brushed away, which forms more tartar, etc. The gums become irritated by the activity of the bacteria and the pressure from the tartar. Eventually it can cause the gums to move away from the tooth and tooth rot and loss. Brushing and flossing daily removes the bacteria so it doesn’t have a chance to irritate the gums to the point of bleeding. You can have gingivitis in between your teeth if you don’t floss, even if you brush multiple times daily. The gums will heal within a few days once you begin daily care, as long as the gingivitis has not become bad enough to turn into periodontitis, a more severe form of infection. To avoid gingivitis, brush your teeth at *least* once a day (3x/after each meal is ideal) and floss once a day. If you have trouble using regular floss, I find the angled floss sticks to be very easy to use to reach the back teeth, just rinse it between each tooth.

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Anonymous 0 Comments

Also keep in mind the type of products you require. Not all toothbrushes 🪥, toothpastes, floss, or mouthwashes are created the same. I don’t have sensitive teeth yet I opt for softer bristle toothbrushes, sensitive toothpaste or toothpaste that won’t wear out the tooth enamel, quality floss, and decent quality mouthwash (6 in 1 types). Thus far, for over a decade, every dental checkup every 6 months has been great. No cavities and very basic cleaning. Yet I have established my personal daily habit of great oral hygiene long ago. Hitherto any habit can be broken. It must be practiced daily.

Heretofore you need to figure out what works for you. Take your dental oral health serious. Since more often than not as a human being you’re going to like to continue using your mouth well throughout your life.

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