By Crystal Dukes, RDH — Dental Hygienist | Oral Wellness Expert | Founder of DukesInitiative.com Quick answer: Bleeding gums are usually an early sign of gingivitis caused by plaque along the gumline. With the right daily routine and professional care, gingivitis is reversible. When ignored, it may progress to periodontitis, which can damage the bone that supports your teeth. About the Author…