Healthy gums are firm and fit snugly around teeth. The color of healthy gums can vary. They may range from light pink in some people to dark pink and brown in others. Symptoms of periodontitis can include: 
Swollen or puffy gums.
Bright red, dark red or dark purple gums.
Gums that feel tender when touched.
Gums that bleed easily.
A toothbrush that looks pink after brushing your teeth.
Spitting out blood when brushing or flossing your teeth.
Bad breath that won't go away.
Pus between your teeth and gums.
Loose teeth or loss of teeth.
Painful chewing.
New spaces that develop between your teeth that look like black triangles.
Gums that pull away from your teeth, making your teeth look longer than usual, called receding gums.
A change in the way your teeth fit together when you bite.
 When to see a dentist Follow your dentist's recommended schedule for regular checkups. If you notice any symptoms of periodontitis, make an appointment with your dentist as soon as possible. The sooner you get care, the better your chances of reversing damage from periodontitis.