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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 ...
Increased sensitivity to stimuli, specifically hot and cold, is a common symptom of pulpitis. A prolonged throbbing pain may be associated with the disease. [2] However, pulpitis can also occur without any pain. [3] Reversible pulpitis is characterised by intermittent, brief discomfort initiated by a hot, cold or sweet stimulus.
Dr.Brännström (1922-2001) was a Swedish dentist, specialising in Oral Pathology and the mechanism of tooth sensitivity. [22] In the 1960s, Brännström provided evidence to support Gysi's hydrodynamic theory through a series of experimental studies in vitro to show that various stimuli caused shifts in fluid movement across dentine, producing ...
Lateral periodontitis (which is usually without any thermal sensitivity and sensitive to biting) can cause pulpitis and the tooth becomes sensitive to cold. [10]: 2–9 Non-dental sources of pain often cause multiple teeth to hurt and have an epicenter that is either above or below the jaws.
Exposure to cold, hot, or sweet stimuli may further exacerbate the intensity of the hypersensitive response. Amongst those who receive in-office whitening treatment, between 67 and 78% of the individuals experience sensitivity after the procedure where hydrogen peroxide and heat is utilized.
Thermal testing, which involves the application of either hot or cold stimuli to the tooth, is the most common form of sensibility test. A number of products are available for cold testing, each with varying melting points. Although household ice (0 °C [32 °F]) is cheap and easy to obtain, it is not as accurate as colder products. [3]
Composites and amalgam are used mainly for direct restoration. Composites can be made of color matching the tooth, and the surface can be polished after the filling procedure has been completed. Amalgam fillings expand with age, possibly cracking the tooth and requiring repair and filling replacement, but chance of leakage of filling is less.
The aetiology of dental abrasion can be due to a single stimulus or, as in most cases, multi-factorial. [6] The most common cause of dental abrasion is the combination of mechanical and chemical wear. Tooth brushing is the most common cause of dental abrasion, which is found to develop along the gingival margin, due to vigorous brushing in this ...