Have you noticed your gums become more soft and tender than usual? Are they painful to touch and sometimes bleed when brushing your teeth? These are both symptoms of gingivitis, a common oral disease that affects many. When left untreated, gingivitis can cause several problems that threaten your oral health, such as tooth loss. Thankfully, preventing and treating gingivitis is possible. To learn more, here’s what it is, what can cause it, and the treatments for it.