A tooth becomes nonviable after its pulp dies.
Clinical features:
(1) The tooth becomes darker than adjacent teeth that are viable.
(2) The tooth is insensitive to all stimuli (application of ice, etc)
Barriers to detection:
(1) poor oral hygiene or tooth discolorations may make detection of the color change difficult
(2) multiple devitalized teeth may show the same color
(3) depressed level of consciousness or coma
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Specialty: Otolaryngology
ICD-10: ,
