Histopathologic evaluation of pulpal tissue response to various adhesive cleanup techniques

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Ali Altug BicakciEce Gungör

Abstract

The aim of this prospective in-vivo study was to investigate the possible effects of temperature changes from various adhesive cleanup procedures on pulpal tissue. The materials, consisting of 40 sound maxillary and mandibular premolars to be extracted during orthodontic treatment, were randomly assigned to 4 groups, with 1 group as the control. The teeth in the 3 study groups were etched; brackets were bonded and then debonded. The remaining adhesive was removed with a tungsten carbide bur by using a high-speed hand piece. The teeth in the control group were not etched and bonded. In group 1, the residual adhesive was removed with water cooling, and the teeth were extracted 24 hours later. In group 2, the residual adhesive was removed without water cooling, and the teeth were extracted 24 hours later. In group 3, the residual adhesive was removed without water cooling, and the teeth were extracted 20 days later. The teeth were prepared for histologic examination, and the number of vessels, vessel areas and perimeters, extravasation of red blood cells, vascular congestion, and inflammatory cell infiltration were evaluated to determine pulpal tissue changes. According to the findings from histologic and immunohistochemical evalu...Continue Reading

References

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Citations

Oct 6, 2011·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·S MankL Brauchli
Aug 28, 2014·L' Orthodontie française·Chloé Bernard-Granger, Sarah Gebeile-Chauty
Nov 13, 2015·Dental press journal of orthodontics·Lara Carvalho Freitas SigiliãoEduardo Franzotti Sant'Anna

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