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IP Annals of Prosthodontics and Restorative Dentistry


Fitness evaluation of mandibular kennedy class I BioHPP Poly-Ether-Ether ketone removable partial denture fabricated by various techniques


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Research Article

Author Details : Khalid Abograra Ahmad Shaban, Fatma Mahanna, Nesreen El Mekawy*

Volume : 5, Issue : 4, Year : 2019

Article Page : 97-103


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Abstract

Purpose: The purpose of this study was to evaluate the fitness of mandibular Kennedy class I PEEK removable partial dentures fabricated with various techniques.
Materials and Methods: Six patients were selected for this study with maxillary completely edentulous arch against mandibular distal extension ridges posterior to canine teeth. each patient was randomly given the following frameworks in a crossover design; Group I: All patients were received PEEK frameworks fabricated by milling via CAD-CAM technique (PEEK disc were used). Group II: All patients were received PEEK frameworks fabricated by injection molding technique (Granular form of medical grade PEEK). For each framework (milled & injected), the fitness evaluation were done by measuring the gap between the framework and oral structures by evaluation the thickness of light body poly vinyl- siloxane impression material.
Results: The mean overall and site specific values of Gap distance beneath frameworks fabricated by CAD-CAM technique was significantly higher than the mean values of Gap distance in frameworks fabricated by injection technique.
Conclusion: Within the limitations of this short-term clinical study it was concluded that: 1) The fitness of both techniques of the RPD PEEK BioHPP frameworks manufacture were clinically accepted by the participants. 2) The RPD PEEK BioHPP frameworks manufactured by CAD / CAM was less fitness values than BioHPP frameworks constructed by Injection molding technique.

Keywords: Kennedy class I, Polyetheretherketone, CAD/CAM technique, Injection mold technique, Removable partial denture fitness..

Doi : 10.18231/j.aprd.2019.023

How to cite : Shaban K A A, Mahanna F , Mekawy N E, Fitness evaluation of mandibular kennedy class I BioHPP Poly-Ether-Ether ketone removable partial denture fabricated by various techniques. IP Ann Prosthodont Restor Dent 2019;5(4):97-103

Copyright © 2019 by author(s) and IP Ann Prosthodont Restor Dent. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (creativecommons.org)