Influence of orthodontic extrusion on pulpal vitality of traumatized maxillary incisors

Journal of Endodontics
Oskar BaussMichael Knösel

Abstract

The aim of this retrospective study was to examine the effect of orthodontic extrusion on the pulpal vitality of maxillary incisors with a history of trauma. Pulpal condition was examined clinically (rating of crown color and sensitivity testing with a cryogenic spray) and radiologically (periapical and panoramic radiographs) after orthodontic extrusion of previously traumatized (Orthodontics/Trauma group, n = 77) and nontraumatized teeth (Orthodontics group, n = 400) and after previous dental trauma without subsequent orthodontic treatment (Trauma group, n = 193). Dental traumata were divided into hard tissue injuries (fracture of enamel and enamel chipping, fracture of enamel-dentin without pulpal involvement, fracture of enamel-dentin with pulpal involvement, root fracture, crown-root fracture) and periodontal injuries (concussion, subluxation, intrusion, extrusion, lateral luxation, and avulsion). Teeth in the Orthodontics/Trauma group showed a significantly higher frequency of pulp necrosis than teeth in the Orthodontics group (P < .001) or teeth in the Trauma group (P < .009). In addition, teeth in the Orthodontics/Trauma group with periodontal injuries showed a significantly higher rate of pulp necrosis than teeth in the...Continue Reading

Citations

Mar 7, 2014·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Jasem Dawood AlKhalifa, Abdulaziz A AlAzemi
Dec 3, 2014·Archives of Oral Biology·Fawad JavedGeorgios E Romanos
Jun 26, 2013·World Journal of Methodology·Angela DomínguezOscar Mario Tamayo
Jul 15, 2018·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Cesar de GregorioLea Assed Bezerra da Silva
Nov 7, 2013·Cell and Tissue Research·Piero RömerPeter Proff
Oct 24, 2013·Dental Update·Saoirse O'TooleAtef Hashem
Mar 30, 2021·International Endodontic Journal·T WeissheimerM V R Só
May 1, 2021·Journal of Dental Research, Dental Clinics, Dental Prospects·Viviane Da Silva SiqueiraCláudia Ramos Pinheiro

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