Abstract
Thirty-one patients were assessed for changes in pain and maximal mouth opening (MMO)
before and after total temporomandibular joint (TMJ) replacement. All prosthetic joint
replacements used the Christensen fossa-eminence prosthesis system; 18 were unilateral
and 13 bilateral. There were more women (n = 22) than men (n = 9), and their mean age was 45 years (women 46, range 18–74, and men 42, range 28–69).
Indications for replacement included osteoarthritis, ankylosis, and “other”. There
were overall significant improvements in pain scores for the whole group at one year
(95% CI 6.3–8.5 compared with 0.2–3.0) and for women alone (6.5 to 9.2 compared with
−0.5 to 2.0). There were also significant improvements in pain scores in both those
with osteoarthritis (95% CI 8.1 to 8.9 compared with −0.8 to 3.8) and the group with
“other” diagnoses at the 12-month follow-up (95% CI 4.4 to 10.7 compared with −0.2
to 0.5). Finally, there was a significant improvement in MMO in the whole group at
the time of 12-month follow-up (95% CI 15.8–23.5 compared with 24.0–32.3).
Keywords
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Article info
Publication history
Published online: April 04, 2011
Accepted:
January 10,
2011
Identification
Copyright
© 2011 The British Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.
