Dental specialization is one of the corner stones in treating oral and dental disease and gums. The furniture design reflects the type of treatment to be provided. In the field study of some dental centers in Egypt, there was a lack of compatibility between the space needed for furniture and the ergonomic movement within it, such lack of space is not commensurate with the areas required for the rooms for diagnosis and treatment of teeth causing failure to achieve the best use of the provided

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... ce to accommodate the needs of the clinic making it almost impossible to achieve the functions of treatment comfortably for both doctors and patients. In addition, the inadequacy of proportionality in space between each of the dental unit and the tools closets gives the impression of crowding, ugliness and unprofessionalism. The problem of research is that the governmental dental centers lack standards and Ergonomic requirements of furniture design in diagnostic and treatment rooms, thus they fail provide adequate comfort to both the doctors and patients. The internal space of the functional area is not consistent with the functional requirements of those rooms. The aim of the research is to introduce the Ergonomic Standards for furniture design of treatment room in dental centers according to their functions in order to achieve the proper furnishing in them which ensures comfort, easy and safety in use of centers. Also to focus on some companies which apply furniture Ergonomic standards to be used in Egyptian centers. Research hypotheses: There are Ergonomic Standards that can be applied in interior design and furnishing of the dental centers according to the type of furniture units in these centers and according to the specialties in them to achieve the best outcome ensuring an easier working area and a pleasant environment. Some of furniture manufacturers already apply those standards to dental furniture that are used in treatment rooms of dental centers. The importance of the research is to clarify the orthogonal criteria for treatment room furniture design in the dental centers regarding doctor's chair, dental unit and storage units that can be utilized to satisfy the functional needs of traffic corridors and types of furniture of treatment room. The research follows the descriptive analytical approach.