Long-term mechanical properties of glass ionomers

Mitra, Sumita B.; Kedrowski, Brant L.

doi:10.1016/0109-5641(94)90044-2

Cited by 122 publications

(80 citation statements)

References 3 publications

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“…20 The 3-point bending test can be regarded as representative of a clinical situation of the forces exerted by the opposing cusp. 21 The flexural strength values found, corresponded well with previous reported values. 22 Nevertheless, the low flexural strength for Riva and Maxxion R of 23.9 and 19.2 MPa, respectively, can be viewed as the Achilles heel of these materials when used in multi-surface restorations.…”

Section: Discussionsupporting

confidence: 81%

Physical‐mechanical properties of glass ionomer cements indicated for atraumatic restorative treatment

Bonifácio

Kleverlaan

Raggio

et al. 2009

Australian Dental Journal

107

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Background: This study evaluated mechanical properties of glass ionomer cements (GICs) used for atraumatic restorative treatment. Wear resistance, Knoop hardness (Kh), flexural (F s ) and compressive strength (C s ) were evaluated. The GICs used were Riva Self Cure (RVA), Fuji IX (FIX), Hi Dense (HD), Vitro Molar (VM), Maxxion R (MXR) and Ketac Molar Easymix (KME). Methods: Wear was evaluated after 1, 4, 63 and 365 days. Two-way ANOVA and Tukey post hoc tests (P = 0.05) analysed differences in wear of the GICs and the time effect. F s , C s , and Kh were analysed with one-way ANOVA. Results: The type of cement (p < 0.001) and the time (p < 0.001) had a significant effect on wear. In early-term wear and Kh, KME and FIX presented the best performance. In long-term wear, F s and C s , KME, FIX and HD had the best performance. Strong explanatory power between F s and the Kh (r 2 = 0.85), C s and the Kh (r 2 = 0.82), long-term wear and F s of 24 h (r 2 = 0.79) were observed. Conclusions: The data suggested that KME and FIX presented the best in vitro performance. HD showed good results except for early-term wear.

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Section: Discussionsupporting

confidence: 81%

Physical‐mechanical properties of glass ionomer cements indicated for atraumatic restorative treatment

Bonifácio

Kleverlaan

Raggio

et al. 2009

Australian Dental Journal

107

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“…Addition of the resin component within the glass ionomer formula has not only increased the working time, thus reducing handling difficulties, but it has also substantially increased wear-resistance and physical strength of the cement. 19,20 There have been very few documented clinical trials reporting the success rate of RMGICs for restoration of primary molars. Croll et al 21 reported a 93% success rate in Class I and Class II restorations after four years.…”

Section: Verifiable Cpd Papermentioning

confidence: 99%

The survival of resin modified glass ionomer and stainless steel crown restorations in primary molars, placed in a specialist paediatric dental practice

Roberts¹,

Attari²,

Sherriff³

2005

Br Dent J

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Aims To prospectively report on the survival of resin-modified glass ionomer cement (RMGIC), photac-fil and pre-formed stainless steel crown (SSC) restorations in primary molar teeth placed over a seven-year period in a specialist paediatric dental practice under private contract of remuneration. Method All primary molar restorations placed by a specialist paediatric dentist over a seven-year period were reviewed and the outcome results recorded. Data were recorded at review visits until June 30, 2003. Data recorded included Class I restorations, Class II restorations and SSC. The Class II cavities were either mesial or distal, with or without buccal/palatal extensions. If both proximal surfaces were decayed or if after cavity preparation the resultant outline form was significantly larger than the minimal classical form, RMGIC was not used; an SSC was placed instead. Stainless steel crown preparation followed conventional guidelines. The crowns were cemented with reinforced zinc oxide and eugenol (Kalzinol). The status was recorded as satisfactory restoration, tooth exfoliated, tooth extracted for orthodontic reasons with the date of extraction, or needing replacement. If replaced then the reason for replacement was also recorded. Results A total of 544 Class I RMGICs, 962 Class II RMGICs, and 1,010 SSCs were placed. At the last review of each restoration, 98.3% of Class I, 97.3% of Class II RMGICs and 97.0% of SSCs were either satisfactory or withdrawn intact. Conclusion Under the conditions of private specialist practice-based study SSCs continued to prove very successful for the restoration of larger cavities and for pulp-treated primary molar teeth. For the smaller cavities RMGIC were also very successful.

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“…Polialkenoat simanlar olarak da adland›r›lan (1,2) geleneksel cam iyonomer simanlar (CİS); mine ve dentine doğrudan bağlanma kabiliyetleri (3)(4)(5)(6)(7), uzun süreli fluor sal›n›mlar› (1,(8)(9)(10)(11)) ve kolay uygulanmalar› gibi sebeplerle diş hekimliğinde uzun y›llard›r yayg›n kabul gören, popüler restoratif materyallerdir (1,(12)(13)(14).…”

Section: Introductionunclassified

“…Bu simanlar, fotokimyasal reaksiyonlar›n›n başlat›lmas›n›n klinisyen taraf›ndan kontrol edilebilmesi ve özellikle dentinde rezinlerin infiltre olduklar› bir tabaka oluşturmalar› gibi klinik olarak istenen baz› özelliklere sahiptirler (17). Ayr›ca içeriklerindeki rezin monomerlerin polimerizasyonlar›na bağl› olarak, bu simanlar›n; s›k›şma ve gerilme kuvvetlerine karş› dayan›kl›l›klar›n›n, k›r›lma dirençlerinin, elastisite modüllerinin ve retansiyon oranlar›n›n artt›ğ› ve geleneksel CİS'lerden daha fazla olduğu da bildirilmektedir (1,3,14,(18)(19)(20).…”

Section: Introductionunclassified

Farkli Ti̇plerdeki̇ Geleneksel Ve Rezi̇n-Modi̇fi̇ye Cam İyonomer Si̇manlarin Su Emi̇li̇mi̇ Ve Suda Çözünürlüğü

Küçükeşmen¹,

Öztaş²,

Küçükeşmen³

et al. 2005

Ankara Üniversitesi Diş Hekimliği Fakültesi Dergisi

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The aim of this study, was to compare the water sorption and solubility of two traditional glass ionomer cements (GIC) and one resin-modified glass ionomer cement (RM GIC) material. The traditional GIC dental materials which were Ceram Fil (PSP Dental, England) and Ionofil (Voco GmbH, Germany) and the RM GIC dental material which was Rely-X (3M Dental Products, St Paul, USA) were used in study. All specimens were prepared according to the manufacturer's instructions and then subjected to water sorption and solubility tests based on the ISO 4049 and ADA No.8 requirements. In the study, weight changes of specimens of three materials were determinated after water immersion for 1 and 7 days and the results were compared. Values were analyzed with two-way ANOVA and Duncan's test at a 0.01 significance level. Results showed that, the Rely-X specimens had significantly less water sorption and solubility values than other two traditional GIC specimens after water immersion for 7 days and the Ionofil specimens had most water sorption and solubility values than specimens of other two materials after water immersion for 7 days. There were not significantly differences statistically between specimens of three materials after water immersion for one day.Key Words: Acid-base reaction, resin-modified glass ionomer cements, polyacid-modified composite resins, composite resins, dental materials, water sorption, water solubility. ÖZET Bu çal›şman›n amac›, iki geleneksel cam iyonomer siman (CİS) ve bir rezin-modifiye cam iyonomer siman›n (RM CİS)

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Long-term mechanical properties of glass ionomers

Cited by 122 publications

References 3 publications

Physical‐mechanical properties of glass ionomer cements indicated for atraumatic restorative treatment

Physical‐mechanical properties of glass ionomer cements indicated for atraumatic restorative treatment

The survival of resin modified glass ionomer and stainless steel crown restorations in primary molars, placed in a specialist paediatric dental practice

Farkli Ti̇plerdeki̇ Geleneksel Ve Rezi̇n-Modi̇fi̇ye Cam İyonomer Si̇manlarin Su Emi̇li̇mi̇ Ve Suda Çözünürlüğü

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