hydrodynamic theory of tooth sensitivity

hy·dro·dy·nam·ic the·or·y of tooth sen·si·tiv·i·ty

(hī'drō-dī-nam'ik thē'ŏr-ē tūth sen'si-tiv'i-tē)
Currently accepted mechanism explaining pain impulse transmission to the pulp resulting from fluid shifts within patent dentinal tubules occur with mechanical, osmotic, and evaporative stimuli (including air blasts).