Evolution of the mandibular mesh implant

Journal of Biomedical Materials Research
K E SalyerJ G Layton

Abstract

Between 1960 and 1972, the Dallas Veterans Administration Hospital Maxillofacial Research Laboratory developed and made over 150 cast-mesh implants. Successive designs were ovoid, circular, and double-lumened in cross section to improve implant strength, surface area for bioattachment, and adjustability. Sleeves, collars, and bows were employed in the assembly of these implants, with an acrylic condylar head attached when indicated. In 1972, our laboratory developed a mandibular mesh tray, cast in one piece on a single sprue, with preservation of the vertically adjustable ramus. Stainless steel replaced Vitallium because of its greater malleability. Essentially, a lost-wax technique is used to cast the mesh tray. The model of a mandibular segment is duplicated as a refractory model. Mesh wax, made in our own custom-made die, is adapted to the refractory model. The unit is then sprued and invested. The wax is fired our of the mold in a gas furnace. Casting is done by the transferral of molten stainless steel from the crucible to the mold by centrifugal force in an electro-induction casting machine. Other mesh implants that have been developed are made from wire mesh, Dacron mesh, cast Ticonium, and hydroformed titanium.

References

Apr 1, 1969·The Journal of the American Dental Association·P J Boyne
Dec 1, 1956·American Journal of Surgery·A GENEST
Oct 1, 1963·Plastic and Reconstructive Surgery·E C HINDSJ C GALBREATH
Mar 1, 1951·Plastic and Reconstructive Surgery·W P KLEITSCH

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Citations

Mar 1, 1979·The British Journal of Oral Surgery·D Leake, M B Habal
Mar 15, 2003·Clinics in Plastic Surgery·Michael J Miller, Charles W Patrick

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