Properties Of Different Fillers In Acrylic Resin For Denture Application

Dental base which fabricated by Polymethyl methacrylate (PMMA) resin are commonly used due to its good physical and aesthetic properties. In this project, the aim is to identify the most suitable filler and optimum filler loading to improve PMMA resin properties. The mechanical properties of PMMA...

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Main Author: Tan, Jia Sheng
Format: Monograph
Language:English
Published: Universiti Sains Malaysia 2017
Subjects:
Online Access:http://eprints.usm.my/52767/1/Properties%20Of%20Different%20Fillers%20In%20Acrylic%20Resin%20For%20Denture%20Application_Tan%20Jia%20Sheng_B1_2017.pdf
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author Tan, Jia Sheng
author_facet Tan, Jia Sheng
author_sort Tan, Jia Sheng
collection USM
description Dental base which fabricated by Polymethyl methacrylate (PMMA) resin are commonly used due to its good physical and aesthetic properties. In this project, the aim is to identify the most suitable filler and optimum filler loading to improve PMMA resin properties. The mechanical properties of PMMA composites were determined based on flexural properties, fracture toughness, hardness and impact strength. PMMA composites were mixed by using Stryker Mixevac III bowl under vacuum condition. In the first stage, mechanical testing was carried out to determine the most suitable weight loading percentage between HA and β-TCP fillers. PMMA/2% HA composite showed better improvement than other filler loadings. Hence in the second stage, PMMA/2% HA composite was modified by various weight loading percentage of NBR and the mechanical properties, thermal stability and water absorption were measured. It is observed that no significant improvement in mechanical properties was obtained by adding NBR in PMMA/2% HA. However addition of NBR is able to increase the thermal stability and reduce water absorption. In third stages, PMMA/2% HA was added with hybrid fillers where 2% HA was hybridized with 2% PLA microsphere, untreated Al2O3 or treated Al2O3. PMMA/2% HA/2% PLA microsphere showed small improvement toward impact strength and fracture toughness while PMMA/2% HA/2% treated Al2O3 showed improvement in flexural strength. In conclusion, 2% HA filler able to increase the mechanical properties of PMMA resin significantly and the properties can be further improved by hybrid fillers
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spelling usm.eprints-527672022-06-07T06:34:45Z http://eprints.usm.my/52767/ Properties Of Different Fillers In Acrylic Resin For Denture Application Tan, Jia Sheng T Technology TA401-492 Materials of engineering and construction. Mechanics of materials Dental base which fabricated by Polymethyl methacrylate (PMMA) resin are commonly used due to its good physical and aesthetic properties. In this project, the aim is to identify the most suitable filler and optimum filler loading to improve PMMA resin properties. The mechanical properties of PMMA composites were determined based on flexural properties, fracture toughness, hardness and impact strength. PMMA composites were mixed by using Stryker Mixevac III bowl under vacuum condition. In the first stage, mechanical testing was carried out to determine the most suitable weight loading percentage between HA and β-TCP fillers. PMMA/2% HA composite showed better improvement than other filler loadings. Hence in the second stage, PMMA/2% HA composite was modified by various weight loading percentage of NBR and the mechanical properties, thermal stability and water absorption were measured. It is observed that no significant improvement in mechanical properties was obtained by adding NBR in PMMA/2% HA. However addition of NBR is able to increase the thermal stability and reduce water absorption. In third stages, PMMA/2% HA was added with hybrid fillers where 2% HA was hybridized with 2% PLA microsphere, untreated Al2O3 or treated Al2O3. PMMA/2% HA/2% PLA microsphere showed small improvement toward impact strength and fracture toughness while PMMA/2% HA/2% treated Al2O3 showed improvement in flexural strength. In conclusion, 2% HA filler able to increase the mechanical properties of PMMA resin significantly and the properties can be further improved by hybrid fillers Universiti Sains Malaysia 2017-06-01 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/52767/1/Properties%20Of%20Different%20Fillers%20In%20Acrylic%20Resin%20For%20Denture%20Application_Tan%20Jia%20Sheng_B1_2017.pdf Tan, Jia Sheng (2017) Properties Of Different Fillers In Acrylic Resin For Denture Application. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Bahan Sumber Mineral. (Submitted)
spellingShingle T Technology
TA401-492 Materials of engineering and construction. Mechanics of materials
Tan, Jia Sheng
Properties Of Different Fillers In Acrylic Resin For Denture Application
title Properties Of Different Fillers In Acrylic Resin For Denture Application
title_full Properties Of Different Fillers In Acrylic Resin For Denture Application
title_fullStr Properties Of Different Fillers In Acrylic Resin For Denture Application
title_full_unstemmed Properties Of Different Fillers In Acrylic Resin For Denture Application
title_short Properties Of Different Fillers In Acrylic Resin For Denture Application
title_sort properties of different fillers in acrylic resin for denture application
topic T Technology
TA401-492 Materials of engineering and construction. Mechanics of materials
url http://eprints.usm.my/52767/1/Properties%20Of%20Different%20Fillers%20In%20Acrylic%20Resin%20For%20Denture%20Application_Tan%20Jia%20Sheng_B1_2017.pdf
work_keys_str_mv AT tanjiasheng propertiesofdifferentfillersinacrylicresinfordentureapplication