Associations Among Different Types of Quantitative Pain Measures in TMD Patients

측두하악장애환자에서 다양한 종류의 정량적 통각검사들의 연관성에 관한 연구

  • Park, Ji-Woon (Department of Oral Medicine and Oral Diagnosis School of Dentistry, and Dental Research Institute, Seoul National University) ;
  • Kim, Yong-Woo (Department of Oral Medicine and Oral Diagnosis School of Dentistry, and Dental Research Institute, Seoul National University) ;
  • Chung, Jin-Woo (Department of Oral Medicine and Oral Diagnosis School of Dentistry, and Dental Research Institute, Seoul National University)
  • 박지운 (서울대학교 치과대학 구강내과진단학 교실) ;
  • 김용우 (서울대학교 치과대학 구강내과진단학 교실) ;
  • 정진우 (서울대학교 치과대학 구강내과진단학 교실)
  • Published : 2007.12.30

Abstract

The aims of this study were to investigate the relationships among several types of thermal pain thresholds, and pressure pain thresholds. This study was designed to examine whether there were associations among different types of pain thresholds, and among different recording sites for each pain threshold measurement. Pain sensitivity thresholds including cold pain threshold (CPT), heat pain threshold (HPT), heat pain tolerance threshold (PTT), and pressure pain threshold (PPT) of 56 subjects with symptoms of temporomandibular disorders were measured on temporal muscle, masseter muscle, TMJ, and tibial areas. Thermal pain thresholds including CPT, HPT, and PTT did not show any gender differences. However, women showed significantly lower PPTs than men on all recording sites. Three thermal pain thresholds including CPT, HPT, and PTT showed weak to high correlations on all the recording sites (r= 0.324 to 0.754, p<0.05). PPTs did not show any significant correlations between each thermal pain threshold. The pain threshold of each recording site showed weak to high correlations in all pain threshold measures (r= 0.284 to 0.878, p<0.05). Our study demonstrated that thermal pain thresholds, and pain tolerance thresholds were significantly correlated, but did not show any correlation between thermal pain thresholds and pressure pain thresholds. There were relatively high correlations among the pain thresholds of different recording sites.

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