Fixation of Marginal Posterior Acetabular Wall Fractures Using Locking Reconstruction Plates and Monocortical Screws
Bibliographic record
Abstract
Marginal posterior wall fractures are often fixed by lag screws, which may be technically difficult and risks articular penetration. Spring plates are used to avoid articular penetration. Both lag screws and spring plates are usually buttressed by reconstruction plates. The aim of this report is to describe a technique for fixing those fractures using locking reconstruction plate and monocortical screws avoiding articular penetration and sparing spring plates. A locking reconstruction plate is placed in a position that allows buttressing of the fracture fragment and fixed proximally and distally first using non-locking screws. The marginal fracture is fixed using monocortical locking head screws. This technique has been performed on three patients; none had secondary displacement or nonunion. Fixing marginal posterior acetabular wall fractures using locking reconstruction plates and monocortical screws saves additional lag screws or spring plates without risking articular penetration.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".