Artículo de revisión

Published on 4 de abril de 2024 | http://doi.org/10.5867/medwave.2024.03.2780

Clinical and radiographic characterization of external root resorption

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Essential aspects of external root resorptions.
External inflammatory resorptionExternal replacement resorptionCervical external resorptionExternal superficial resorptionTransient apical collapse
Clinical findingsSensitivity to percussion or palpation.Symptoms of pulpitis or apical periodontitis.Mobility.Periodontal defects of bone resorption type.Sound of metallic percussion.Absence of mobility.Sponge-textured probing.NoneNone
Clinical appearanceCoronary discolorationHealthyPink coloration of the crownHealthyCoronary decoloration
Pulp vitalityNegativePositivePositivePositiveNegative of retarded
Radiographic characteristicsRadiolucent area or in the periapical area.Root canal intact in early stages.Loss of periodontal ligament space.Bone apposition.Radiolucent zone at the cervical level.Radiopaque areas in the repair stage.Radiolucent zone in any area of the root.Widening of the periodontal ligament.Blurred appearance of the apical lamina dura.
TreatmentEndodontics with intra-canal medication.Control.Decoronation and submersion technique.Exodontia.External without/with endodontic treatment.Internal repair and endodontic treatment.Intentional reimplantation.Periodic control.Exodontics.ControlControl
DifferentialInternal root resorptionInternal root resorptionCervical cariesInternal root resorptionInternal root resorption

Source: Prepared by the authors.