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The most common trigger is cold, [4] with 75% of people with hypersensitivity reporting pain upon application of a cold stimulus. [3] Other types of stimuli may also trigger pain in dentin hypersensitivity, including: Thermal – hot and cold drinks and foods, [7] cold air, coolant water jet from a dental instrument. Electrical – electric ...
Irritation, in biology and physiology, is a state of inflammation or painful reaction to allergy or cell-lining damage. A stimulus or agent which induces the state of irritation is an irritant . Irritants are typically thought of as chemical agents (for example phenol and capsaicin ) but mechanical, thermal (heat), and radiative stimuli (for ...
Toothache is the most common type of pain in the mouth or face. [6]: ... such as the effect of biting and chewing on the pain, the effect of thermal stimuli, ...
Irreversible pulpitis, in contrast, is characterised by a constant severe pain that arises without provocation. Characteristics may include sharp pain upon thermal stimulus, lingering thermal pain, spontaneity, and referred pain. Sometimes, the pain may be accentuated by postural changes such as lying down or bending over.
Brännström conducted trials using different stimuli. It was shown that various types of cold thermal, evaporative cooling, osmotic stimuli and hypertonic chemical substances could cause an increase in outward fluid flow along the dentinal tubules. Contrastingly, thermal hot stimuli caused an inward fluid flow. [25]
Sensation: The oral mucosa is richly innervated, meaning it is a very good at sensing pain, touch, temperature and taste. A number of cranial nerves are involved in sensations in the mouth including trigeminal (V), facial (VII), glossopharyngeal (IX) and vagus (X) nerves. The dorsum of the tongue is covered in specialised mucosa.
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Dental pulpal testing is a clinical and diagnostic aid used in dentistry to help establish the health of the dental pulp within the pulp chamber and root canals of a tooth. . Such investigations are important in aiding dentists in devising a treatment plan for the tooth being test