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. 2023 Jul;15(Suppl 2):S910-S912.
doi: 10.4103/jpbs.jpbs_54_23. Epub 2023 Apr 28.

An In-vitro Evaluation of Retention Force of All PEEK, All Zirconia and Zirconia-PEEK Telescopic Attachment for Mandibular Overdentures

Gujjalapudi Mahalakshmi  1 , Thandra Naga Sruthi  1 , Pradeep Kumar Sharma  2 , Muneendra Thandava  3 , Nirban Mitra  4 , Nirav G Patel  5 , Abhigyan Manas  6
Affiliations

An In-vitro Evaluation of Retention Force of All PEEK, All Zirconia and Zirconia-PEEK Telescopic Attachment for Mandibular Overdentures

Gujjalapudi Mahalakshmi et al. J Pharm Bioallied Sci. 2023 Jul.

Abstract

The objective of this study is to compare retention capacity of mandibular implant-supported overdenture with all zirconia, zirconia-PEEK, and all PEEK telescopic attachments. Sixty acrylic resin models of mandible were used. Telescopic attachment system was made up of all zirconia, all PEEK, and zirconia-PEEK. Evaluation of retention force was done using universal testing machine. Obtained data were statistically evaluated. Highest initial force value was obtained with zirconia-PEEK group. All PEEK and zirconia-PEEK groups showed significantly decreased final retention values in comparison to their initial values. Zirconia can be regarded as the material of choice for telescopic crown, whereas polyetheretherketone and zirconia-PEEK telescopic crowns showed retention loss over a period of time.

Keywords: Overdenture; PEEK; retention force; zirconia.

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Conflict of interest statement

There are no conflicts of interest.

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