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Etymology: L, fallere, to deceive, restaurare, to renew
any dental filling or fabrication that contains flaws, such as overhanging or incomplete fillings, voids, or incorrect anatomical characteristics of occlusal and marginal ridge areas. Such flaws may mar individual tooth fillings and fixed bridges or clasps of removable prosthetics and may cause inflammatory and dystrophic diseases of the teeth and periodontium. See also restoration.
faul·ty res·to·ra·tion(fawltē restŏr-āshŭn)
A restoration or replacement of tooth structure that does not adequately restore health or function to that tooth.