Histomorphometric analysis of inflammatory response and necrosis in re-implanted central incisor of rats treated with low-level laser therapy
- نوع فایل : کتاب
- زبان : انگلیسی
- مؤلف : Rianne Gomes Vilela & Kjersti Gjerde & Lucio Frigo & Ernesto Cesar Pinto Leal Junior & Rodrigo ءlvaro Brandمo Lopes-Martins & Brیgida Mônica Kleine
- چاپ و سال / کشور: 2011
Description
Low-level laser therapy is a tool employed in the management of post-operative inflammation process and in the enhancement of reparative process. The aim of the study was to perform histological evaluation of dental and periodontal ligament of rats central upper-left incisor teeth re-implanted and irradiated with low-level laser (InGaAl, 685 nm, 50 J/cm2) 15, 30, and 60 days after reimplantation. Seventy-two male rats had the central upper left incisor removed and kept for 15 min on dry gauze before replantation. Laser was irradiated over the root surface and empty alveolus prior replantation and over surrounding mucosa after the re-implantation. After histological procedures, all slices were analyzed regarding external resorption area and histological aspects.We observed an increase of root resorption (p<0.05) in the control group compared to the laser group at 15, 30, and 60 days. These results showed that the laser groups developed less root resorption areas than the control group in all experimental periods. Additionally, histological analysis revealed less inflammatory cells and necrotic areas in laser groups.
Lasers Med Sci DOI 10.1007/s10103-011-0937-7 Received: 17 February 2011 / Accepted: 9 May 2011
