This study proved that low-level laser therapy can be an effective alternative for conventional use of nonsteroidal anti-inflammatory drugs in controlling postendodontic pain thereby eliminating the adverse effects of such drugs on the patients.
The usefulness of supplementary energy dissipation devices is now quite well-known in the earthquake structural engineering community for reducing the earthquake-induced response of structural systems. The main objective of this study is, therefore, to formulate a general framework of comparing passive energy dissipation systems for seismic structural applications. The following four types of passive energy dissipation systems have been examined in the study: (1) viscous fluid dampers, (2) viscoelastic dampers, (3) yielding metallic dampers and, (4) friction dampers. For each type of energy dissipation system, effectiveness of each damper is calculated in modifying response of a structure like acceleration, displacement and drift of a structure.
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