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A problem that often precipitates in the Orthodontic treatment of adult patients is the presence of periodontal disease and loss of bone support. As a result of it, the center of resistance of the tooth is modified & thereby performing controlled tooth movements becomes complicated. This scientific work investigates the issue deeper and substantiates that the forces and moment to force ratios needed to be applied during an Orthodontic treatment must be adapted in the periodontally compromised conditions. Experimentally derived values of force and moment to force ratios have been provided for...

Although numerous root canal filling materials are available, gutta-percha continues to be the product of choice, owing to its unique chemical and physical properties. Recently a new resin based system resilon epiphany has been introduced. It is used in combination with a self-etching primer to create a solid monoblock. Although the Epiphany sealer was primarily developed to be used in combination with polymer-based resilon points, the use of Epiphany in conjunction with Gutta Percha cones could offer a potential upperhand because gutta-percha is far economical than Resilon. This thesis work...