Pressure pain threshold before and after iontophoretic anesthesia in the temporomandibular region
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概要
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To ascertain how pressure pain is modified by pain from cutaneous or subcutaneous tissue layers, pressure pain threshold (PPT) was measured in the temporomandibular joint (TMJ) with and without anesthesia using an iontophoretic device. One side of the TMJs was anesthetized by lidocaine and the other was delivered physical saline. PPTs were measured on both sides of the TMJs before and after anesthesia in the double blind manner. Pressure was applied with a steady pressure increment rate of 0.5kgf/s with the help of an originally developed PPT measuring system.Normalized values of the PPT after iontophoresis were calculated based on those of before iontophoresis. The results showed 100.9±12.4 (mean±SD) and 105.3±27.3 in the saline side and lidocaine side, respectively. Since there was no statistical significance between the sides, it could be concluded that PPT in TMJ region is mainly induced by pain of TMJ components.
- 一般社団法人 日本顎関節学会の論文
一般社団法人 日本顎関節学会 | 論文
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