›› 2019, Vol. 39 ›› Issue (5): 414-417.

• Clinical Research • Previous Articles     Next Articles

Study on quantitative somatosensory funtion of patients with unilateral orofacial pain

  

  • Received:2018-11-07 Revised:2018-12-09 Online:2019-05-28 Published:2019-05-21

Abstract: Objective To explore the characteristics of somatosensory function of patients with unilateral masseter pain and normal subjects by quantitative sensory test. Methods 20 patients suffering from unilateral masseter pain and 20 healthy controls were enrolled. The cold / warm detection threshold (CDT/WDT), cold / hot pain threshold (CPT/HPT), pressure pain threshold(PPT) were measured at three sites: the center of bilateral masseter muscles and the surface overlying the dorsum of the homolateral hand. Data were statistically analyzed with independent sample t test. Results There was no significant difference in CDT/WDT/CPT/HPT/PPT between the two groups in hand. There was no significant difference in CDT/WDT between the patients and control groups. HPTs of bilateral masseter in pain patients were more sensitive than in controls. PPTs of pain side masseter in pain patients were lower than in controls. PPTs of pain side masseter were also lower than contralateral side in patient group. Conclusion Patients with masseter pain show more sensitivities to thermo and mechanical noxious thresholds.

Key words: quantitative sensory test(QST), temporomandibular joint disorder(TMD), masseter pain, pain sensation

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