Efficacy of Self-manipulation Technique in the Treatment of Patients with Anterior Disc Displacement without Reduction

비정복성 관절원판 전방변위 환자의 치료에 있어서 자가 수조작술의 효과에 대한 연구

  • Kim, Ju-Sik (Department of Oral Medicine and Oral Diagnosis, School of Dentisty, Seoul National University) ;
  • Lee, Chae-Hoon (Department of Oral Medicine and Oral Diagnosis, School of Dentisty, Seoul National University) ;
  • Kim, Young-Ku (Department of Oral Medicine and Oral Diagnosis, School of Dentisty, Seoul National University)
  • 김주식 (서울대학교 치과대학 구강내과 진단학교실) ;
  • 이채훈 (서울대학교 치과대학 구강내과 진단학교실) ;
  • 김영구 (서울대학교 치과대학 구강내과 진단학교실)
  • Published : 2007.12.30

Abstract

Internal derangement of the temporomandibular joint(TMJ) is defined as an abnormal relationship of the articular disc to the condyle. Mandibular manipulation is one of the conservative treatments to be considered first to manage the patients with anterior disc displacement without reduction. Mandibular manipulation is used to increase articular mobility and to restore the displaced disc into an anatomically normal position. While Farrar's technique has been popularly used, Minagi et al., Mongini and Suarez introduced the manipulation technique conducted by the patients themselves. But there is no study on the efficacy of self-manipulation technique, comparing with conventional one. The aim of this study was to investigate the efficacy of the conventional and self-manipulation technique, which was modified to complement the previously described technique by Minagi et al., in the treatment of patients with anterior disc displacement without reduction. TMD patients, who visited Department of Oral Medicine of Seoul National University Dental Hospital from December, 2002 to November, 2004 and were diagnosed as anterior disc displacement without reduction by TMJ magnetic resonance imaging (MRI) were enrolled. Conservative treatments including physical therapy, exercise, behavioral therapy, stabilization splint therapy, and manipulation therapy were done to every single patient until the symptomsimproved enough to discharge the patient. The charts were reviewed retrospectively according to the type of manipulation. In the results, patients whose maximum mouth opening was more than 40 mm was higher in the self-manipulation group(69.9%) than in the conventional manipulation group(42.9%). But difference between two groups was not significant. According to the fact that we decided to discharge the patients whentheir mouth opening increased to more than 40 mm and subjective symptoms such as pain and discomfort were improved as well, treatment period of discharged patients was significantly shorter in the self-manipulation group($29.2{\pm}12.3$ weeks) than in the conventional manipulation group ($61.0{\pm}38.0$ weeks) (p<0.01). In conclusion, in the treatment of TMD patients with anterior disc displacement without reduction, the self-manipulation technique which is performed by patients themselves is an effective treatment modality for increasing the range of mouth opening and shortening the total treatment period.

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