My gums have receeded what is the possible cause?

Smoking: Tobacco smoking is one of the most common reasons for this to occur. Check with your dentist for an exam.

Periodontal disease: Periodontal disease is the number one reason for receding gums. Other factors can be your bite, brushing too hard, grinding, and a diet high in acids. If you have not seen a dentist recently you should go now to find out how healthy your teeth and gums are.

Many possibilities: The most common, gum disease. Also overly aggressive brushing, smoking, malocclusion, clenching/grinding, diabetes, and a number of other systemic diseases. Ask your dentist to refer you to a periodontist (gum specialist) for diagnosis and treatment.

Bruxing: 3 main possibilities really: a. No enough attached gingiva to begin with. B. Bruxing c. Poor oral hygiene combined with a. ; b..