Application of Human Amniotic Membrane in Temporomandibular Joint Osteoarthritis.
2020
Human amniotic membrane (HAM) has recently been used as an interpositional material to prevent ankylosis or primary re-ankylosis after temporomandibular joint (TMJ) arthroplasty. Here, the authors describe an unusual case of a 32-year-old woman who presented with a noninflammatory degenerative osteoarthritis of the TMJ in which a HAM was placed following a high condylar arthroplasty and discectomy and show the clinicoradiological results. The procedure resulted in total pain relief and significant improvement in jaw movements. On the long-term follow-up computed tomography, complete remodeling of the glenoid fossa with formation of new ectopic bone was observed. While the application of a HAM can be an alternative procedure to prevent ankylosis when performing a discectomy and arthroplasty, this clinical report highlights the possibility that it can induce ectopic bone formation at this location.
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