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Risk of Nontuberculous Mycobacteria Infections Associated with Contamination of Dental Waterlines

November 1, 2022

The Centers for Disease Control and Prevention (CDC) released a Health Advisory (HAN) linked here about a number of outbreaks of nontuberculous Mycobacteria (NTM) among children who received pulpotomies in dental clinics where dental treatment water contained high levels of bacteria.

 

Referenced in the HAN is one such outbreak that occurred in Orange County in 2016, where 71 children had odontogenic NTM infections following pulpotomy procedures. This outbreak was linked to a failure to use disinfectants on the dental unit waterlines or regularly monitor water quality.

Provider Recommendations:

The CDC HAN provides specific recommendations to help identify and prevent NTM infections associated with dental procedures for the following groups:

 

 

Medical providers should consider an odontogenic source for cervical lymphadenitis or lymphadenopathy and assess a history of dental care and procedures in all children presenting with lymphadenitis.

Contact Information:
For questions or concerns, please contact the Communicable Disease Control Division at 714-834-8180.
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