Comparison of local and general anaesthesia for arthrocentesis of the temporomandibular joint

Arthrocentesis of the temporomandibular joint is an effective treatment for some disorders, and is usually done under local anaesthesia. We know of few studies that have compared the ease of arthrocentesis and its outcomes under local or general anaesthesia, so we studied 32 patients (n=16 in each group). Postoperative oedema and pain, maximum mouth opening, duration of arthrocentesis, and ease of operation were assessed to compare the relative effectiveness of the two types of anaesthetic. Scores for duration of arthrocentesis (p=0.003) and ease of procedure (0.004) differed significantly, while the other results were similar in the two groups.

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