INBDE (Integrated National Board Dental Examination) Practice Exam

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Which bacteria are common on implants?

Pseudomonas and staph
S. mutans and S. salivarius
P. intermedia and Actinomyces
Chromogenic bacteria

The correct answer is: Pseudomonas and staph

The correct answer is A. Pseudomonas and staph bacteria are commonly found on implants. Pseudomonas is a Gram-negative bacterium known for its ability to form biofilms on surfaces, including dental implants. Staphylococcus aureus is a Gram-positive bacterium that can also be found on implants and may contribute to implant-related infections. These bacteria are significant because they can adhere to surfaces and form biofilms, making them challenging to eradicate and potentially leading to peri-implant infections. Options B, C, and D are incorrect: - S. mutans and S. salivarius are commonly associated with dental caries rather than implant-related infections. - P. intermedia and Actinomyces are more commonly associated with periodontal diseases rather than implant-related infections. - Chromogenic bacteria refer to bacteria that produce pigmented colonies on agar plates and are not specifically associated with implants.