Generally, cancellous screws demonstrated a significantly (p < 0.05) stronger hold using a smaller size pilot hole than the recommended standard diameter. All locations except the inner lateral site supported this finding.
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Factors Affecting the Pullout Strength of Cancellous Bone Screws
Jens R. Chapman, R. Harrington, K. M. Lee et al. · Journal of Biomechanical Engineering · 1996 · 495 citations