Understanding the Difference Between Gingivitis and Periodontitis If you've recently noticed bleeding gums, bad breath, or tenderness when brushing, you may be wondering: Can gum disease be reversed? The answer is encouraging—but it depends on how early the condition is detected. The earliest stage of gum disease, known as gingivitis, can often be completely reversed with professional treatment and improved oral hygiene. However, once gum disease progresses to periodontitis, the damage becomes permanent ...