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Title: Consequences of reaming with flat and convex reamers for bone volume and surface area of the glenoid.
Other Titles: A basic science study
Authors: Karelse, Anne ×
Leuridan, Steven
Van Tongel, Alexander
Debeer, Philippe
Denis, Kathleen
Vander Sloten, Jos
De Wilde, Lieven #
Issue Date: 25-Nov-2015
Publisher: BioMed Central
Series Title: Journal of Orthopaedic Surgery and Research vol:10
Article number: 181
Abstract: Background

The effect of reaming on bone volume and surface area of the glenoid is not precisely known. We hypothesize that (1) convex reamers create a larger surface area than flat reamers, (2) flat reamers cause less bone loss than convex reamers, and (3) the amount of bone loss increases with the amount of version correction.
Methods

Reaming procedures with different types of reamers are performed on similar-sized uniconcave and biconcave glenoids created from Sawbones foam blocks. The loss of bone volume, the size of the remaining surface area, and the reaming depth are measured and evaluated.
Results

Reaming with convex reamers results in a significantly larger surface area than with flat reamers for both uniconcave and biconcave glenoids (p = 0.013 and p = 0.001). Convex reamers cause more bone loss than flat reamers, but the difference is only significant for uniconcave glenoids (p = 0.007).
Conclusions

In biconcave glenoids, convex reamers remove a similar amount of bone as flat reamers, but offer a larger surface area while maximizing the correction of the retroversion. In pathological uniconcave glenoids, convex reamers are preferred because of the conforming shape.
ISSN: 1749-799X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Mechanical Engineering Technology TC, Campus Group T Leuven
Biomechanics Section
Organ Systems (+)
Technologiecluster Werktuigkundige Industriële Ingenieurstechnieken
Production Engineering, Machine Design and Automation (PMA) Section
× corresponding author
# (joint) last author

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