Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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Template therapy for mouth opening limitation by temporomandibular joint disorders

턱관절원판 전방 변위로 인한 개구 장애의 템플레이트 치료

  • Lee, Gi-Cheol (Department of Oral and Maxillofacial Surgery, Soonchunhyang University Bucheon Hospital) ;
  • Shin, Seung-Woo (Department of Oral and Maxillofacial Surgery, College of Medicine, The Catholic University of Korea) ;
  • Pyo, Sung-Woon (Department of Oral and Maxillofacial Surgery, College of Medicine, The Catholic University of Korea)
  • 이기철 (순천향대학교 부천병원 치과 구강악안면외과) ;
  • 신승우 (가톨릭대학교 의과대학 치과학교실 구강악안면외과) ;
  • 표성운 (가톨릭대학교 의과대학 치과학교실 구강악안면외과)
  • Received : 2010.04.19
  • Accepted : 2010.06.30
  • Published : 2010.08.31
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Abstract

Introduction: Limited mouth opening is a representative clinical symptom of temporomandibular disorders (TMD) with anterior disc displacement without reduction (ADDWOR). Various treatment methods have been proposed for patients with ADDWOR. This study examined the clinical effectiveness of template therapy for patients with mouth opening difficulty due to the ADDWOR. Material and Methods: A total of 14 patients (female 12, male 2, average age: $29.1{\pm}14.4$), who had been treated in the template clinic, Sooncheonhyang University Bucheon Hospital, from January of 2006 to December of 2008, were enrolled in this study. The subjects were selected according to the following criteria: more than 2 weeks after the onset of locking, mouth opening range <35 mm, and confirmed ADDWOR without a synovial pathology by magnetic resonance imaging (MRI). All patients were treated with the template appliance, instructed to wear it while sleeping and exercise for at least 10 hours per day. The maximum mouth opening (MMO) range and pain recognition scores before and after template therapy were recorded and compared. A paired t-test and Wilcoxon's signed rank test were used for statistical analysis. Results: After the periodical follow up, significant improvement in the opening range was observed in the template treatment group. The average MMO range before treatment was $30.2{\pm}3.5mm$ and the average MMO after treatment and follow up was $47.1{\pm}4.7mm$. The mean amount of mouth opening increment was $16.9{\pm}5.4mm$ (P<0.01) and the pain recognition scores before and after treatment was also improved.(P=0.001) Conclusion: The template appliance proved to be efficient for the treatment of TMD with a closed lock and painful joint due to ADDWOR.

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References

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