The Bell Brief
← Daily Brief
MEDIUMResearchTier 1

Influence of the occupying proportion of mineralised particles within the grafted volume

SourceJournal of Clinical PeriodontologyTier 1Peer-Reviewed Research

By Ji‐Su Choi, Betül Hwang, Min‐Yong Lee, Sang‐Hyun Cho, Nicolas Müller, Franz J. Strauss, Jae‐Sung Kwon, Jung‐Seok Lee

Originally at onlinelibrary.wiley.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

A preclinical study in rabbits shows that the proportion of mineralised particles left inside a grafted volume can change how much the graft shrinks and how much new bone forms, which may guide material choices for vertical bone augmentation procedures.

Key points

  • Ten New Zealand white rabbits received four vertical calvarial defects each that were filled with saline-hydrated particulate deproteinised porcine bone mineral, intact collagenated bone blocks, mechanically crushed collagenated blocks, or particulate grafts mixed with hyaluronic acid.
  • Micro-CT at 8 weeks showed preserved total augmented area in the particulate and intact collagenated block groups, while significant volumetric shrinkage occurred in the crushed-block and hyaluronic-acid groups.
  • Histomorphometry indicated higher residual material area and greater new bone formation in the particulate and intact collagenated block groups compared with the crushed-block and hyaluronic-acid groups.
  • The authors conclude that binder incorporation and mechanical manipulation may affect particle occupancy and volumetric stability, and that reducing graft manipulation may enhance space maintenance.

Who should care

SpecialistAcademia

Read the original on Journal of Clinical Periodontology

Full reporting and any paywall content live on onlinelibrary.wiley.com. We summarize and score; we do not republish.

Open original

Related