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Dental pulp tests are valuable techniques used to establish the pulpal health status of a tooth in dentistry. The diagnostic information obtained from pulpal testing is then used alongside a patient's history, clinical and radiographic findings to determine a diagnosis and prognosis of the tooth.
Sequelae of a necrotic pulp include acute apical periodontitis, dental abscess or radicular cyst and discolouration of the tooth. [citation needed] Tests for a necrotic pulp include: vitality testing using a thermal test or an electric pulp tester. Discolouration may be visually obvious, or more subtle.
The pulp is the neurovascular bundle central to each tooth, permanent or primary.It is composed of a central pulp chamber, pulp horns, and radicular canals. The large mass of the pulp is contained within the pulp chamber, which is contained in and mimics the overall shape of the crown of the tooth. [2]
Lack or response to pulp sensibility test (e.g. ethyl chloride, electric pulp test) [1] Lack of visible radiolucency where pulp system should be on radiographs (x-rays) Most of the time this condition is painless [1] and is managed conservatively by monitoring the tooth with routine radiographs. [1] There is a small risk of pulp necrosis. [2]
Test cavity: The preparation of a test cavity involves cutting into the dentine of a tooth to determine whether the sensory element of the pulp is still functioning. Test cavity preparation is a last resort as this method is considered invasive and irreversible.
A pulp vitality test such as a cold test or electric pulp test can aid in diagnosis, since COD generally does not compromise pulp vitality. [6] COD can be found in individuals of all ages and ethnic backgrounds, but it has been observed more frequently in individuals of African, East Asian, and Asian descent. [7]
The space inside the root canals is filled with a highly vascularized, loose connective tissue, called dental pulp. The dental pulp is the tissue of which the dentin portion of the tooth is composed. The dental pulp helps complete formation of the secondary teeth (adult teeth) one to two years after eruption into the mouth. The dental pulp also ...
This infection is what causes necrosis of the pulp. [4] Larger cysts may cause bone expansion or displace roots. Discoloration of the affected tooth may also occur. Patient will present negative results to electric and ice test of the affected tooth but will be sensitive to percussion. Surrounding gingival tissue may experience lymphadenopathy.