Comparison of the Effects of Two Screw Insertion Patterns on Bone Fragment Translocation in a 3.5 mm Dynamic Compression Plate and a 3.5 mm Limited‐Contact Dynamic Compression Plate

Csiszer, Amie B.; Daly, Curt M.; Dyce, Jonathan; Litsky, Alan S.; Olmstead, Marvin L.

doi:10.1111/j.1532-950x.2011.00882.x

Cited by 1 publication

(1 citation statement)

References 7 publications

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“…Additionally, tightening of any screw, regardless of application mode, results in generation of friction between the bone and plate, which will likely limit further bone fragment movement. This assumption is supported by a recent study comparing the influence of screw insertion patterns on fracture fragment translocation, which concluded the translocation resulting from load screw insertion to be negatively affected by previously placed neutral screws and tightly secured bone clamps (7).…”

Section: Discussionmentioning

confidence: 72%

Influence of screw insertion order on compression generated by bone plates in a fracture model

Jermyn

Roe²

2011

Vet Comp Orthop Traumatol

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Present recommendations regarding order of screw insertion for compression plate osteosynthesis in veterinary training are variable. We hypothesized that placement of a neutrally positioned screw would reduce the magnitude of compression that could be generated by a subsequently placed compression screw. Canine tibial diaphyseal segments were fixed to a plate attached to a bone surrogate and load cell, and the compression generated by screw tightening was measured. Three different screw insertion order patterns were evaluated using both dynamic compression plate (DCP) and limited contact dynamic compression plate (LC-DCP) implants. In group CN, the first screw was placed in compression mode and the second in neutral mode; in group NC, the first screw was placed in neutral mode and the second in compression mode; in group LNC, the first screw was placed partially tightened in neutral mode and the second in compression mode followed by complete tightening of the neutral screw. Screw insertion order significantly influenced the amount of compression generated with both groups CN and LNC demonstrating significantly greater compression generation when compared with group NC (p <0.0001). Compression generated by group CN constructs was also significantly greater than group LNC (p = 0.0013). Evaluation of group CN data to assess the influence of plate and drill guide combinations on compressive force generated did not demonstrate a statistically significant difference. To maximize compression using a load screw in a bone plate, following securement of the opposite bone fragment to the plate, it should be placed before a neutral screw is placed.

show abstract

Section: Discussionmentioning

confidence: 72%

Influence of screw insertion order on compression generated by bone plates in a fracture model

Jermyn

Roe²

2011

Vet Comp Orthop Traumatol

View full text Add to dashboard Cite

show abstract

Comparison of the Effects of Two Screw Insertion Patterns on Bone Fragment Translocation in a 3.5 mm Dynamic Compression Plate and a 3.5 mm Limited‐Contact Dynamic Compression Plate

Abstract: A tight neutral screw in the same bone fragment as the load screw or bone clamps that tightly secure the plate to the bone can limit BFT.

Cited by 1 publication

References 7 publications

Influence of screw insertion order on compression generated by bone plates in a fracture model

Influence of screw insertion order on compression generated by bone plates in a fracture model

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