Abstract
The aim of this study was to evaluate the feasibility of using preshaped hydroxyapatite/collagen
condyles as carriers for platelet-rich plasma after gap arthroplasty in patients with
temporomandibular ankylosis, to assess the aesthetic and functional outcomes, and
to find out if neocondylar regeneration was possible. We studied 19 patients with
temporomandibular joint ankylosis (25 joints), in whom preshaped hydroxyapatite/collagen
condyles with platelet-rich plasma were fixed to the ramus with a titanium miniplate,
and temporal fascia was placed in between. We evaluated the type of ankylosis, mouth
opening before and after operation, deviation on mouth opening, lateral excursion,
protrusion, postoperative anterior open bite, radiographic assessment, and complications.
All patients showed appreciable improvements in mouth opening and excursion of the
jaw. There were a few complications such as mild fever, and temporary involvement
of the facial nerve, which improved with time. No open bite or recurrence was reported
during the 18 months’ follow up. Radiographic evaluation at 3 months showed a less
opaque condyle, but the opacity at 18 months was more defined, suggesting a newly
formed condyle. A preshaped hydroxyapatite/collagen condyle with platelet-rich plasma
improves both aesthetics and function. However, a long term study is required to follow
the growth patterns to see if the patients develop any facial deformity as they grow.
Keywords
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Article info
Publication history
Published online: January 31, 2012
Accepted:
January 6,
2012
Identification
Copyright
© 2012 The British Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.
