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Abstract
Eight patients with previously placed silicone temporomandibular joint (TMJ) implants
were operated on again. Excised tissues from in and around the joint were histologically
evaluated. In one case, a parotid lymph node was also examined. All specimens revealed
fragmented, amorphous, refractile, but nonbirefringent, irregularly spherical foreign
material consistent with fragmented silicone. Granulomatous inflammation and multinucleated
giant cells were associated with the silicone material. These findings demonstrated
that silicone may not be a totally inert material and that its biomechanical properties
are not ideal for use in the TMJ.
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© 1985 Published by Elsevier Inc.
