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Temporomandibular joint dysfunction following tonsillectomy.

Sangeeta Maini1, J E Osborne, H M S Fadl

  • 1Department of Otolaryngology, Glan Clywd Hospital, Bodelwyddan, North Wales, UK. sangeetamaini@hotmail.com

Clinical Otolaryngology and Allied Sciences
|March 21, 2002
PubMed
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Tonsillectomy patients using a Boyle-Davis mouth gag experienced a significant reduction in interincisal distance, indicating temporomandibular joint (TMJ) dysfunction. This dysfunction may result from fibrous healing or ankylosis post-surgery.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Otolaryngology
  • Anesthesiology

Background:

  • The Boyle-Davis mouth gag is commonly used during tonsillectomy.
  • Potential complications, including temporomandibular joint (TMJ) dysfunction, require thorough investigation.

Purpose of the Study:

  • To prospectively evaluate TMJ dysfunction after tonsillectomy using a Boyle-Davis mouth gag.
  • To compare TMJ function in tonsillectomy patients versus a control group undergoing nasal surgery.

Main Methods:

  • Prospective, controlled trial design.
  • Assessment of TMJ symptoms, signs, and interincisal distance preoperatively and 6 weeks postoperatively.
  • Inclusion of patients undergoing tonsillectomy and a control group undergoing nasal surgery.

Related Experiment Videos

Main Results:

  • A statistically significant mean reduction of 0.89 mm in interincisal distance was observed in the tonsillectomy group (P < 0.01).
  • No significant reduction in interincisal distance was found in the nasal surgery control group.
  • The observed reduction in interincisal distance suggests TMJ dysfunction in post-tonsillectomy patients.

Conclusions:

  • Tonsillectomy with a Boyle-Davis mouth gag is associated with reduced interincisal distance, indicative of TMJ dysfunction.
  • Fibrous healing of the tonsillar bed or TMJ fibrous ankylosis are potential causes of this dysfunction.
  • Further research is warranted to explore long-term TMJ implications and potential preventive strategies.