Letter to editor regarding, “microbial community analysis of supragingival plaque in
Originally at sciencedirect.com
Summary & scoring by The Bell Brief (Dr. Jennifer Bell) using the Drill-Down Protocol (Drill-Down Score) — not the original publisher.
Why it matters for dental
Prosthodontists and restorative dentists need to know that the microbial profile of supragingival plaque shifts measurably once fixed prostheses are placed, raising the risk of gingival inflammation and secondary caries at the crown margins.
Key points
- The letter re-analyzes plaque samples from patients wearing crowns or fixed partial dentures, using 16S rRNA sequencing to identify changes in bacterial diversity and abundance.
- Key finding: elevated proportions of periodontal pathogens and acidogenic species are detected adjacent to the prosthesis margin compared with contralateral natural teeth.
- Clinical implication: margin design, emergence profile, and cement choice should be optimized to minimize plaque retention and pH drops at the gingival interface.
- The letter highlights the need for more aggressive maintenance protocols (shorter recall intervals, targeted antimicrobials) for patients with extensive fixed prosthodontics.
Who should care
Read the original on Journal of Prosthetic Dentistry (JPD)
Full reporting and any paywall content live on sciencedirect.com. We summarize and score; we do not republish.
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