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Effect of arthrocentesis on the clinical outcome of various treatment methods for temporomandibular joint disorders

 ( Kim Chang-Woo ) - Korea University Anam Hospital Department of Oral and Maxillofacial Surgery

 ( Lee Sung-Jae ) - Korea University Anam Hospital Department of Oral and Maxillofacial Surgery
 ( Kim Euy-Hyun ) - Korea University Anam Hospital Department of Oral and Maxillofacial Surgery
 ( Lee Dong-Keon ) - Korea University Anam Hospital Department of Oral and Maxillofacial Surgery
 ( Kang Mong-Hun ) - Korea University Anam Hospital Department of Oral and Maxillofacial Surgery
 ( Song In-Seok ) - Korea University Anam Hospital Department of Oral and Maxillofacial Surgery
 ( Jun Sang-Ho ) - Korea University Anam Hospital Department of Oral and Maxillofacial Surgery

Abstract


Background: We evaluated the improvement of pain and the increase in mouth opening after temporomandibular joint arthrocentesis and the possible association with various factors such as previous splint treatment, medication, and diagnosis.

Results: We studied 57 temporomandibular joint disorder patients who underwent arthrocentesis at Korea University Anam Hospital. These patients (24 males and 33 females, aged between 15 and 76?years) underwent arthrocentesis that was performed by one surgeon. The degree of mouth opening (assessed using the maximum mouth opening: MMO) and pain (assessed using the visual analog scale: VAS) were assessed pre- and post-arthrocentesis. The study also investigated whether treatment modalities other than arthrocentesis (medication and appliance therapy) were performed. Statistical analysis revealed that there was a significant difference in mouth opening and pain after temporomandibular joint arthrocentesis. Preoperative appliance therapy affected the results of arthrocentesis, but it was not statistically significant. With regard to pain relief, preoperative diagnosis did not show a significant difference. However, with regard to maximum mouth opening, patients with disc displacement without reduction with limited mouth opening (closed lock) showed the highest recovery (11.13?mm).

Conclusion: The average of MMO increase after arthrocentesis was 9.10?mm, and patients with disc displacement without reduction with locking (closed lock) showed most recovery in maximum mouth opening and it was statistically significant. The average pain relief of patients after arthrocentesis was 3.03 in the VAS scale, and patients using anterior repositioning splint (ARS) preoperatively showed the most pain relief.

키워드

Temporomandibular joint arthrocentesis; Temporomandibular disorders
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