Article


Study of Complications Associated with Placement of Overdentures on Implants

José Manuel Mendes1 , Lethícia Souza2, Luis Neves2, Carlos Aroso1 & António Sérgio Silva1*

1Department of Oral Rehabilitation, Instituto Universitário de Ciências da Saúde, Gandra, Portugal
2Department of Dental Sciences, CESPU, Institute of Research and Advanced Training in Health Sciences and Technologies

Dr. António Sérgio Silva, Department of Dental Sciences, CESPU, Institute of Research and Advanced Training in Health Sciences and Technologies.

Keywords: Dental Implants; Edentulous Patients; Overdentures; Attachments

Abstract

Purpose
The aim of this study was to compare the complications and the need for maintenance in different kinds of attachment systems for overdentures supported by implants.
Materials and Methods
A questionnaire was administered using yes/no and multiple-choice questions. Two systems were evaluated: splinted or non-splinted attachments of overdentures used for 2 years or more. The sample was collected in 3 clinics in northern Portugal and included 114 overdentures. The results were statistically analysed using SPSS®.
Results
The results revealed that there was no significant difference in the number of consults for maintenance between systems. Both systems need continuous re-valuation consultations. The loss of retention appears to be the most frequent complication regardless of the type of attachment; on the splinted attachments, it is represented by the Teflon retention loss, and on the non-splinted attachments, it is represented by the loss of retention of the clips.

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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. (CC BY 4.0).

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