Gingivitis (Gum Disease): References

Types of gum disease. American Academy of Periodontology. https://www.perio.org/consumer/types-gum-disease.html. Accessed November 2016.

National Institutes of Health. National Institute of Dental and Craniofacial Research. Gum disease. https://www.nidcr.nih.gov/health-info/gum-disease/more-info. Updated July 2018. Accessed November 2018.

Centers for Disease Control and Prevention. Oral health. Periodontal disease. https://www.cdc.gov/oralhealth/conditions/periodontal-disease.html Updated June 1, 2016. Accessed November 2018.

Harris NO, Garcia-Godoy F, Nathe CN. Primary Preventive Dentistry, 8th ed, 2013. Pearson. ISBN-13: 978-0132845700.