Hyper Sensitivity of Tooth
- Dentin hypersensitivity is called as dental pain
- It is of short duration
- Arise when enamel wares down exposing dentin
- Exposed dentin response to stimuli like hot or cold or sweet or acidic food, drinks, breathing cold air
- There is rapid movement of fluid in open dentinal tubes
- These stimuli makes teeth sensitive or painful
- Change in fluid flow causes pressure changes within the dentin
- Change fluid flow will activate dental nerve
- Which causes Signal of pressure changes
- Will cause Tooth sensitivity or called as dental pain