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ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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What bacteria is the primary cause of root-surface caries?

Streptococci mutans
Actinomycesnaeslundii
Lactobacilli spp
Fusobacteruim spp

Explanation

Answer: B -Actinomycesnaeslundiiis the primary cause of root-surface caries. The bacteria presents on the tongue, tooth surface, and in plaque. It is considered a plaque former that produces mostly lactic acid.

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