Pulp necrosis/abscess/infection is a trauma sequela that most directly reflects

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Traumatic injuries to teeth can trigger a range of pulp and root development responses. When the pulp becomes non-vital due to disruption of its blood supply, it can progress to necrosis and infection, presenting as an abscess or similar periapical pathology. This outcome directly shows the pulp has sustained irreversible damage from trauma and has become infected if not treated. In contrast, pulp canal obliteration is a calcific response that narrows the canal while the pulp tissue may remain non-infected, arrested root development reflects developmental disruption in immature teeth, and dilaceration is a root curvature from traumatic displacement during development. Therefore, the sequela that most directly reflects a traumatic insult to the pulp with infection potential is pulp necrosis/abscess/infection.