Influence of Al2O3/ Y-TSZ Mixture as Filler Loading on the Radiopacity of PMMA Denture Base Composites

Alhareb, Ahmed Omran; Akil, Hazizan Md; Ahmad, Zulkifli

doi:10.1016/j.proche.2016.03.065

Cited by 13 publications

(10 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Inducing radiopacity by modification is challenging, as most heavy metal salts are not compatible with PMMA [ 7 ]. The incorporation of various heavy metals has been explored to enhance the radiopacity [ 130 , 131 ]. Although various modifications have improved the radiopacity of PMMA to some extent, there are certain concerns, such as a lack of physical or chemical binding of additives to the matrix and the salts being prone to leaching out of the denture base [ 132 , 133 ].…”

Section: Properties Of Pmmamentioning

confidence: 99%

“…Similarly, adding metallic nanoparticles enhances the thermal conductivity of the denture base and allows better judgement of food temperature [ 104 , 271 ]. In addition, hybrid reinforcement has been carried out using various fibers [ 21 ], particles [ 76 , 126 , 131 , 272 ], and combinations of fibers and particles [ 273 ]. Hybrid reinforcement improves the interface and enhance the loading capacity, improving the material’s properties [ 274 ].…”

Section: Modifications Of Pmmamentioning

confidence: 99%

See 1 more Smart Citation

Prosthodontic Applications of Polymethyl Methacrylate (PMMA): An Update

2020

View full text Add to dashboard Cite

A wide range of polymers are commonly used for various applications in prosthodontics. Polymethyl methacrylate (PMMA) is commonly used for prosthetic dental applications, including the fabrication of artificial teeth, denture bases, dentures, obturators, orthodontic retainers, temporary or provisional crowns, and for the repair of dental prostheses. Additional dental applications of PMMA include occlusal splints, printed or milled casts, dies for treatment planning, and the embedding of tooth specimens for research purposes. The unique properties of PMMA, such as its low density, aesthetics, cost-effectiveness, ease of manipulation, and tailorable physical and mechanical properties, make it a suitable and popular biomaterial for these dental applications. To further improve the properties (thermal properties, water sorption, solubility, impact strength, flexural strength) of PMMA, several chemical modifications and mechanical reinforcement techniques using various types of fibers, nanoparticles, and nanotubes have been reported recently. The present article comprehensively reviews various aspects and properties of PMMA biomaterials, mainly for prosthodontic applications. In addition, recent updates and modifications to enhance the physical and mechanical properties of PMMA are also discussed.

show abstract

Section: Properties Of Pmmamentioning

confidence: 99%

Section: Modifications Of Pmmamentioning

confidence: 99%

Prosthodontic Applications of Polymethyl Methacrylate (PMMA): An Update

2020

View full text Add to dashboard Cite

show abstract

“…106 As listed in Table 3, the combination may be between different fibers, 7 different metal oxides and ceramics, [107][108][109][110][111] and fibers with metal oxides, 112,113 or ceramic materials. 48,[114][115][116] Hybrid fiber reinforcement significantly increased the flexural strength and toughness of reinforced acrylic resin.…”

Section: Hybrid Reinforcementmentioning

confidence: 99%

PMMA denture base material enhancement: a review of fiber, filler, and nanofiller addition

Gad

Fouda

Al‐Harbi

et al. 2017

IJN

315

319

View full text Add to dashboard Cite

This paper reviews acrylic denture base resin enhancement during the past few decades. Specific attention is given to the effect of fiber, filler, and nanofiller addition on poly(methyl methacrylate) (PMMA) properties. The review is based on scientific reviews, papers, and abstracts, as well as studies concerning the effect of additives, fibers, fillers, and reinforcement materials on PMMA, published between 1974 and 2016. Many studies have reported improvement of PMMA denture base material with the addition of fillers, fibers, nanofiller, and hybrid reinforcement. However, most of the studies were limited to in vitro investigations without bioactivity and clinical implications. Considering the findings of the review, there is no ideal denture base material, but the properties of PMMA could be improved with some modifications, especially with silanized nanoparticle addition and a hybrid reinforcement system.

show abstract

“…11 Nanopartiküllerin birçok tipi olmasına rağmen literatürde daha çok alüminyum oksit (Al 2 O 3 ), zirkonyum oksit (ZrO 2 ), titanyum oksit (TiO 2 ) ve demir oksit (Fe 2 O 3 ) gibi metal oksit nanopartiküller, silikon dioksit (SiO 2 ) ve hidroksi apatit (HA) gibi mineraller ve gümüş (Ag), platin (Pt) ve palladyum (Pd) gibi soymetaller kullanılmıştır. 12,13 Ancak klinisyenlerin üzerine odaklandığı efektif bir yöntem üzerinde karar kılınamamıştır.…”

Section: Gġrġġunclassified

Farkli Nanoparti̇küllerle Güçlendi̇ri̇len Mi̇krodalga Enerji̇si̇ İle Poli̇meri̇ze Olan Akri̇li̇k Rezi̇ni̇n Mekani̇k Ve Fi̇zi̇ksel Özelli̇kleri̇ni̇n Değerlendi̇ri̇lmesi̇

Karcı¹,

Demir²,

Yazman³

2019

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

View full text Add to dashboard Cite

PMMA, protetik diş hekimliğinde protez kaide materyali olarak yaygın kullanılmasına rağmen düşük mekanik ve fiziksel özellikler gibi dezavantajlara sahiptir. Bu çalışmanın amacı, mikrodalga enerjisi ile polimerize olan akrilik rezin içerisine ağırlıkça % 1, 3 ve 5 oranlarında Al2O3, SiO2 ve TiO2 nanopartikülleri ilavesinin yüzey sertliği ve yüzey pürüzlülüğü gibi mekanik ve fiziksel özellikleri üzerine etkisini değerlendirmektir. Materyal ve Metod: Çalışmamızda üretici firmanın önerileri dikkate alınarak, on farklı grup için toplam yetmiş akrilik rezin örnek (65×10×3 mm) hazırlanmıştır (n=7). Polisaj ve cilalama işlemleri yapıldıktan sonra yüzey pürüzlülük değerleri (Ra) profilometre cihazı ile, yüzey sertliği değerleri ise Rockwell R testi ile ölçülmüştür. Elde edilen verilerin homojenitesi Kolmogorov-Smirnov testi ile değerlendirildikten sonra iki yönlü varyans analizi ve Tukey HSD testleri kullanılmıştır (α=0.05). Bulgular: Yüzey pürüzlülüğü değerleri açısından, %1 oranında nanopartikül ilave edilen grubun pürüzlülük değerleri kontrol grubuna oldukça yakın bulunurken (0.28-0.29), %3 ve %5 oranında ilave yapılan grupların pürüzlülük değerleri mikroorganizma tutulumu için kritik değerden (0.2 µm) çok yüksek (0.46-0.84) bulunmuştur. Yüzey sertliği değerleri açısından ise nanopartikül ilavesi sonucunda yüzey sertlik değerleri artarken en yüksek değerler %5 oranında ilave edilen gruplarda bulunmuştur (p < 0.05). Sonuç: Bu çalışmanın sınırları dahilinde, PMMA'a nanopartikül ilavesi ile mekanik özellikleri geliştirilebilir, ancak nanopartikül ilave yüzdesi arttıkça (%3 ve %5) PMMA'nın yüzey pürüzlülük değerlerinin artması ideal doldurucu oranının %1 olduğunu göstermektedir.

show abstract

Influence of Al2O3/ Y-TSZ Mixture as Filler Loading on the Radiopacity of PMMA Denture Base Composites

Cited by 13 publications

References 7 publications

Prosthodontic Applications of Polymethyl Methacrylate (PMMA): An Update

Prosthodontic Applications of Polymethyl Methacrylate (PMMA): An Update

PMMA denture base material enhancement: a review of fiber, filler, and nanofiller addition

Farkli Nanoparti̇küllerle Güçlendi̇ri̇len Mi̇krodalga Enerji̇si̇ İle Poli̇meri̇ze Olan Akri̇li̇k Rezi̇ni̇n Mekani̇k Ve Fi̇zi̇ksel Özelli̇kleri̇ni̇n Değerlendi̇ri̇lmesi̇

Contact Info

Product

Resources

About