Root-end bevel angle and dentinal tubular permeability: the influence of age and
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
Endodontists and restorative dentists may need to adjust root-end resection angles when treating older patients, because age-related changes in dentinal tubular permeability can alter sealing outcomes and long-term radiographic healing.
Key points
- January 2027 study in Journal of Dentistry (Volume 176) by Black, Hahn, and Ravenel quantifies how bevel angle affects tubular fluid penetration in different age cohorts.
- Findings imply that standard 45-degree bevels used in younger patients may increase leakage risk in older teeth due to sclerosis and reduced tubular patency.
- Radiographic healing scores differed significantly between age groups, suggesting clinicians should consider age-specific bevel angles to optimize apical seal and reduce retreatment rates.
- Endodontic specialists and residency programs may incorporate these age-adjusted parameters into surgical protocols and pre-op radiographic planning.
Who should care
Read the original on Journal of Dentistry
Full reporting and any paywall content live on sciencedirect.com. We summarize and score; we do not republish.
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