The 0.4‐mm crowns were removed on day 2 or day 4 after application to further confirm the effects of pain memory. The effects of pain memory on masseter muscle nociception were tested by applying crowns with heights beyond the occlusal plane by 0.2 or 0.4 mm onto a maxillary molar 2 weeks after inflammation in the right masseter. Methods Cross‐injection of 2% carrageenan into bilateral masseters in male rats was carried out to establish the inflammatory pain memory model. This study aims to explore whether orofacial pain memory could affect the masticatory muscle pain perception for occlusal interference. Pain memory has a critical function in subsequent pain perception. Xie, Q‐F.īackground Patients with an orofacial pain history appear to be more susceptible to occlusal interference pain in dental practice for unknown reasons. Inflammatory pain memory facilitates occlusal interference‐induced masticatory muscle hyperalgesia in rats Inflammatory pain memory facilitates occlusal interference‐induced masticatory muscle.ĭing, T‐T.
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