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Table 4
Recommendations from key studies to protect against lag screw cut-out.
| Study | Parameter | Recommendation to protect against cut-out |
|---|---|---|
| Cleveland et al. 1959 | Cleveland 9 zones system | Safe zones 5, 6, 8, 9 |
| Parker et al. 1992 | Parker’s Ration | A ration of 45% in the AP and LAT |
| Baumgaertner et al. 1995 | TAD | TAD < 25 mm |
| Kuzyk et al. 2012 | CAL TAD | Smaller CAL TAD (No value was given) |
| Mao et al. 2021 | ABA | ABA > −10 |
| Current study 2023 | Modified TAD | Modified TAD ≤ 25 mm |
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