The influence of overhanging proximal restorations on periodontal parameters
Originally at nature.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
Overhanging proximal restorations are associated with significantly worse periodontal outcomes, so restorative dentists and hygienists must prioritize overhang removal or re-treatment to protect attachment levels and reduce future perio costs.
Key points
- Meta-analysis pooled data from multiple clinical studies to quantify the effect of overhangs on probing depth, clinical attachment loss, and bleeding on probing.
- Overhangs >0.5 mm showed a statistically significant increase in periodontal inflammation and attachment loss versus flush or sub-contour restorations.
- Findings apply directly to daily operative decisions: finishing margins, matrix choice, and post-op evaluation of contacts.
- Clinicians treating perio-restorative patients can use the data to justify re-contouring or replacement of defective restorations as part of non-surgical periodontal therapy.
Who should care
Read the original on Nature subjects: Dentistry
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