Gum Swelling Underlying Cause
Bacteria are normally present in the mouth. They convert sugars and starches into acids. A combination of bacteria, acid, food, and saliva form a sticky coating on the teeth, called plaque. Plaque can crystallize to form a very hard coating, called tartar. Plaque and tartar irritate the gums, causing gingivitis.
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- Beirne P, Forgie A, Clarkson J, Worthington HV. Recall intervals for oral health in primary care patients. Cochrane Database Syst Rev. 2005 Apr 18;(2):CD004346. 
- Ratcliff PA, Johnson PW. The relationship between oral malodor, gingivitis, and periodontitis. A review. J Periodontol. 1999 May;70(5):485-9. 
- Schatzle M, Loe H, Burgin W, Anerud A, Boysen H, Lang NP. Clinical course of chronic periodontitis. I. Role of gingivitis. J Clin Periodontol. 2003 Oct;30(10):887-901. 
- Trombelli L. Susceptibility to gingivitis: a way to predict periodontal disease? Oral Health Prev Dent. 2004;2 Suppl 1:265-9.