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Case Reports in Dentistry
Volume 2016, Article ID 7167452, 7 pages
Case Report

Tardive Dyskinesia, Oral Parafunction, and Implant-Supported Rehabilitation

1Centro Universitario di Odontoiatria, SBiBiT, Università degli Studi di Parma, Parma, Italy
2Sezione di Psichiatria, Dipartimento di Neuroscienze, Riabilitazione, Oftalmologia, Genetica e Scienze Materno-Infantili, Università degli Studi di Genova, Genova, Italy
3Centre for Oral Clinical Research, Queen Mary University of London, London, UK

Received 12 September 2016; Revised 26 October 2016; Accepted 15 November 2016

Academic Editor: Miguel de Araújo Nobre

Copyright © 2016 S. Lumetti et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Oral movement disorders may lead to prosthesis and implant failure due to excessive loading. We report on an edentulous patient suffering from drug-induced tardive dyskinesia (TD) and oral parafunction (OP) rehabilitated with implant-supported screw-retained prostheses. The frequency and intensity of the movements were high, and no pharmacological intervention was possible. Moreover, the patient refused night-time splint therapy. A series of implant and prosthetic failures were experienced. Implant failures were all in the maxilla and stopped when a rigid titanium structure was placed to connect implants. Ad hoc designed studies are desirable to elucidate the mutual influence between oral movement disorders and implant-supported rehabilitation.