Patient's Guide on Common Oral Infections and Transmission

Oral Health significantly contributes to overall well-being.1

Dental infections, if untreated, pose serious health risks.2,3 

Oral infections originating within the tooth or nearby structures may spread to surrounding tissues.1

How can bad oral Hygiene complicate overall health?2,4

  • Bacterias (like mutans streptococci and lactobacilli) in the mouth
  • Damages tooth and causes cavities
  • Infection progresses from tooth to surrounding tissues, penetrating gums
  • Infection may spread deeper in the neck and face
  • Can cause severe complications like osteomyelitis, Ludwig angina, and life-threatening conditions

Common Oral Infections can spread 

  • Oro-dental infections can migrate to adjacent spaces, or can penetrate deep neck structures, posing a risk for mild local infections to life-threatening bacteremia .2,4

Following Prevention Strategies can help you protect your overall health

  • Maintain proper oral Hygiene
  • Gargle with PVP-I mouthwash to enhance oral Hygiene.1,5
  • Brush teeth at least twice daily, floss regularly, and limit sugary foods and drinks.6


  1. Rautemaa R, Lauhio A, Cullinan M, Seymour G. Oral infections and systemic disease—An emerging problem in medicine. Clinical Microbiology and Infection. 2007;13(11):1041-1047.
  2. Erazo D, Whetstone DR. Dental Infections. [Updated 2022 Sep 26]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from:
  3.  Saini M, Brizuela M. Bacterial Infections of the Oral Mucosa. [Updated 2023 Mar 19]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from:
  4. Amtha R, Kanagalingam J. Povidone-iodine in dental and oral health: A narrative review. J Int Oral Health 2020;12:407-12
  5. Kanagalingam J, Feliciano R, Hah JH, Labib H, Le TA, Lin JC. Practical use of povidone-iodine antiseptic in the maintenance of oral health and in the prevention and treatment of common oropharyngeal infections. Int J Clin Pract. 2015 Nov;69(11):1247-56. Doi: 10.1111/ijcp.12707. Epub 2015 Aug 6. PMID: 26249761; PMCID: PMC6767541.
  6. Kuppuswamy VL, Murthy S, Sharma S. et al. Oral Hygiene Status, Knowledge, Perceptions and Practices among School Settings in rural South India. OHDM. 2014;13(1). 


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