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Pulp necrosis is a clinical diagnostic category indicating the death of cells and tissues in the pulp chamber of a tooth with or without bacterial invasion. [1] It is often the result of many cases of dental trauma , caries and irreversible pulpitis .
The pulp is still alive, but the introduction of bacteria into the pulp will not allow the pulp to heal and it will ultimately result in necrosis, or death, of the pulp tissue. [11] Symptoms associated with irreversible pulpitis may include dull aching, pain from hot or cold (though cold may actually provide relief) lingering pain after removal ...
Antibiotic in case of a sudden onset of symptoms in less than 24 hours. [ 8 ] Periapical periodontitis or apical periodontitis [ 9 ] ( AP ) is an acute or chronic inflammatory lesion around the apex of a tooth root , most commonly caused by bacterial invasion of the pulp of the tooth . [ 10 ]
Pulp necrosis usually occurs either as ischaemic necrosis (infarction) caused by disruption to the blood supply at the apical foramen or as an infection-related liquefactive necrosis following dental trauma (2). Signs of pulpal necrosis include [42] Persistent grey colour to tooth that does not fade; Radiographic signs of periapical inflammation
Pulp necrosis is when the pulp has died/dying. Causes include untreated caries, trauma or bacterial infection. It is often subsequent to chronic pulpitis. Teeth with pulp necrosis undergo a root canal or extraction to prevent further spread of the infection, which may lead to an abscess.
Dental abscess; Other names: Dentoalveolar abscess, periapical abscess, tooth abscess, root abscess: A decayed, broken down tooth, which has undergone pulpal necrosis.A periapical abscess (i.e. around the apex of the tooth root) has then formed and pus is draining into the mouth via an intraoral sinus ().
Secondary [clarification needed] symptoms of periapical cysts include inflammation and infection of the pulp causing dental caries. 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.
Sometimes the pain is well localized, and the individual is able to determine the exact tooth from which the symptoms are originating, but not always. [1] If the crack propagates into the pulp, irreversible pulpitis, pulpal necrosis and periapical periodontitis may develop, with the respective associated symptoms. [1]