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Morphological foundations of pain processing in dental pulp.
Yong-Chul Bae1, Atsushi Yoshida2
1Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University.
Journal of Oral Science
|April 1, 2020
Summary
This review explores glutamate signaling in dental pulp, focusing on sensory nerves and their role in pain. It examines how glutamate transporters change with inflammation, impacting dental pain perception.
Area of Science:
- Neuroscience
- Dental Research
- Pain Mechanisms
Background:
- Dental pulp contains sensory nerves crucial for pain perception.
- Understanding these nerves is key to addressing dental pain and hypersensitivity.
- Glutamate signaling may play a distinct role in peripheral dental pain processing.
Purpose of the Study:
- To review recent findings on dental pulp innervation.
- To discuss glutamate signaling pathways in pulpal axons.
- To examine changes in glutamate transporters during pulpal inflammation.
Main Methods:
- Summarizing morphological features and axon types in dental pulp innervation.
- Explaining glutamate signaling mechanisms in pulpal axons.
- Describing changes in vesicular glutamate transporters (VGLUT1, VGLUT2) expression post-inflammation.
Main Results:
- Recent studies highlight glutamate's role in pulpal sensory afferents.
- Vesicular glutamate transporters (VGLUT1 and VGLUT2) expression is altered following pulpal inflammation.
- Evidence suggests glutamate release from odontoblasts contributes to pulpal signaling.
Conclusions:
- Glutamate signaling is a significant pathway in dental pulp nociception.
- Altered VGLUT expression during inflammation impacts dental pain.
- Further research into glutamate's role can inform dental pain management strategies.
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