PubMed · 11904214
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Amos Stoll. 2002. Plating for ACDF.. https://doi.org/10.1016/s0090-3019(01)00692-9
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Optical microscopy, scanning electron microscopy and X-ray microanalysis (EDS system) were used on c.p. titanium devices (21 grids and 10 plates) removed from 28 patients without signs of inflammation 6-24 months after surgery. Plates, grids and surrounding tissue were investigated to evaluate the titanium release and accumulation. Titanium was only present in the interfacial bone, probably due to fretting, and in all fibrous tissue surrounding the devices. Titanium content followed a decreasing gradient extending from the device surface and was not detected at a distance greater than 1mm. High titanium levels were found in blood cells in the connective tissue. In conclusion, titanium release from the devices stops only after bone is laid down on the titanium surfaces. Titanium release does not seem to interfere with the osteogenic process but perhaps may interact with it.
BACKGROUND: A method is introduced using a newly developed palatal distractor, which allows rapid transversal widening in cases of maxillary compression. METHODS: After osteotomy of the palate parallel to the sutura palatina mediana as well as to the lateral walls of the maxillary sinuses, the applied distractor permitted a transversal widening of 7.5 mm within 3 weeks. During the 3-month period of retention, multibanded orthodontic therapy could be performed. DISCUSSION: Because of the short treatment period, absence of recurrence, and easy handling for the patient this method is recommended for clinical use.
Thirty-five patients with 36 displaced distal femoral fractures (16 AO-type C2 and 19 AO-type C3) were treated with an anterior approach and double plating and followed for an average of 7 (3-44) months. Bone grafting with allograft and demineralized bone matrix was used. Postoperative therapy included immediate ROM and non-weight bearing for 12 weeks. Two patients died during hospitalization and one was lost to follow-up. Reductions were near anatomic in all but three patients. Uneventful healing by 16 weeks occurred in 24/36 fractures. Double plating via the anterolateral approach minimized stripping of the medial side and improved controlled access to the distal femur.