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KMID : 0355220070320040441
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Journal of Korean Academy Oral Medicine
2007 Volume.32 No. 4 p.441 ~ p.447
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Efficacy of Self-manipulation Technique in the Treatment of Patients with Anterior Disc Displacement without Reduction
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Kim Ju-Sik
Lee Chae-Hoon
Kim Yeong-Gu
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Abstract
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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 fromDecember, 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 ㎜ 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 ㎜ 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±12.3 weeks) than in the conventional manipulation group (61.0±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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KEYWORD
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Temporomandibular disorders(TMD), Anterior disc displacement without reduction, Manipulation
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