An In-vitro evaluation of retention force of All PEEK, all zirconia and zirconia-PEEK telescopic attachment for mandibular overdentures

• Main Authors: Gujjalapudi Mahalakshmi (Author), Thandra Naga Sruthi (Author), Pradeep Kumar Sharma (Author), Muneendra Thandava (Author), Nirban Mitra (Author), Nirav G Patel (Author), Abhigyan Manas (Author)
• Format: Book
• Published: Wolters Kluwer Medknow Publications, 2023-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Summary

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.

Item Description

0975-7406
10.4103/jpbs.jpbs_54_23