
Gingivitis—the earliest stage of gum disease—is a common condition caused by a buildup of plaque and bacteria along the gumline. While most people know it stems from poor oral hygiene, fewer realize that gingivitis may also be contagious under certain conditions.
Wait, gum disease is contagious?
That’s right—although it’s not infectious in the same way as the flu or a cold, the bacteria responsible for gingivitis can be transmitted from one person to another, especially through saliva.
Here’s what you need to know to keep your mouth—and your loved ones—healthy.
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