Abstract
ABSTRACTIntroduction: Periodontal disease is one of the main dental diseases that affectmillions of people around the world. Modern nanotechnology progression andrenovations through nanodentistry providing a suitable solution for the treatment of manydental illnesses including periodontal disease. Aim: Histological and ultrastructuralevaluation of the effect of silver nanoparticles in treatment of periodontitis in albinorats. Materials and methods: A total of 18 adults male albino rats with body weightranging from 150 to 180 gm were used and divided into three groups group 1: served ascontrol, group 2: used for induction of experimental periodontitis using wiring aroundthe cervix of mandibular central incisors for two weeks, and group 3: after induction ofexperimental periodontitis as in group 2 they were subjected to intraperitoneal injectionwith silver nanoparticles for the treatment of periodontitis three times per week for fourweeks. Results: Histological and ultrastructural investigation revealed that periodontalligament around ligated mandibular incisors showed marked improvement in thedegenerated fibers after injection with silver nanoparticles in group 3 compared togroup 2 as the fibers regained their association in strong bundles and they regained theirattachment to regenerated bone and tooth surface. Conclusions: Marked regenerationof the periodontium of periodontally affected ligated mandibular incisors reflected thatsilver nanoparticles have a great anti-inflammatory effect
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