Comparison of Medcem MTA, Medcem Pure Portland Cement and NeoMTA to Pediatric Restorative Materials to Shear Bond Strength

Abstract

Bu çalışmanın amacı, vital pulpa tedavilerinde kullanılan Medcem Saf Portland siman, Medcem MTA ve NeoM-TA'nın farklı pediatrik restoratif materyallere makaslama bağ dayanımını karşılaştırmaktır. Gereç ve Yöntemler: Makaslama bağ dayanım testi için standart akrilik bloklar (4*2 mm) hazırlandı. Üretici firmaların talimatları doğrultusunda hazırlanan kalsiyum silikat içerikli biyomateryaller (Medcem MTA, Medcem Saf Portland siman, NeoMTA) akrilik bloklardaki boşluklara yerleştirildi ve sertleşmeleri için önerilen sürelerde bekletildi. Restoratif materyaller 4 grupta (kompomer, rezin modifiye cam iyonomer siman, yüksek viskoziteli cam iyonomer siman, Cention N) değerlendirildi. Biyomateryallerin üzerine (2*2mm çapında) silindirik kalıplar yardımıyla restoratif materyaller uygulandı. Veriler, tek yönlü ANOVA ve Tukey testleri kullanılarak analiz edildi. Bulgular: Medcem Saf Portland siman ile en yüksek makaslama bağ dayanımı gösteren restoratif materyal grubu yüksek viskoziteli cam iyonomer siman grubu olurken, bunu sırasıyla kompomer, Cention N ve rezin modifiye cam iyonomer siman grupları izledi. Medcem MTA ile kompomer grubu arasındaki makaslama bağ dayanımı en yüksek olup, bunu sırasıyla Cention N, rezin modifiye cam iyonomer siman ve yüksek viskoziteli cam iyonomer siman grupları izlemiştir. NeoMTA'da ise makaslama bağ dayanımı en yüksek Cention N grubu ile, en düşük yüksek viskoziteli cam iyonomer siman grubu ile belirlendi. Sonuç: Bu çalışmada kullanılan biyomateryaller ile pediatrik restoratif materyaller arasındaki makaslama bağ dayanımı umut vericidir ve vital pulpa tedavilerinde alternatif olarak düşünülebilir.

Shear Bond Strength of NuSmile- Neoputty Bio- ceramic Material to Four Different Restorative Materials Used In Pedodontics.

“…NeoMTA could be considered comparable to NuSmile-Neoputty in the main compositional constituents. Thus, when comparing the results of the present study to the study conducted by Duman et al (51) , it could be emphasized that using MDP containing adhesives in case of dealing with Equia Forte Fil would show no benefit for its bonding potential to NuSmile-Neoputty. The results of Duman et al, in 2021 (51) was found in agreement with the results of the present study; since both subgroups IIA (7.07±1.06 MPa) and IIB (7.07±1.45 MPa) revealed a statistically comparable shear bond strength values of no significant difference between them.…”

“…Thus, when comparing the results of the present study to the study conducted by Duman et al (51) , it could be emphasized that using MDP containing adhesives in case of dealing with Equia Forte Fil would show no benefit for its bonding potential to NuSmile-Neoputty. The results of Duman et al, in 2021 (51) was found in agreement with the results of the present study; since both subgroups IIA (7.07±1.06 MPa) and IIB (7.07±1.45 MPa) revealed a statistically comparable shear bond strength values of no significant difference between them. Additionally, on focusing on the composition of Equia Forte Fil, the lack of calcium which is substituted by strontium could be a cause of weak bonding to NuSmile-Neoputty, even in case of direct application without an intervening adhesive layer, clarifying that presence of MDP containing adhesive or its absence would not affect the adhesive junction strength in case of bonding to Equia Forte Fil.…”

“…However, even this micromechanical interlocking could not be considered of significant effect in this case; due to the high viscosity of the Equia Forte that might decrease its flow and penetration within the Neoputty surface micro-irregularities, specially that no chemical bonding was found to be created between the adhesive and Equia Forte Fil. A previously study conducted by Duman et al, in 2021 (51) had tested the shear bond strength of Equia Forte Fil to NeoMTA and other calcium silicates without using an adhesive, and revealed bond strength of (3.60±2.46 MPa) between Equia Forte Fil and NeoMTA; which is considered a low bond strength value. NeoMTA could be considered comparable to NuSmile-Neoputty in the main compositional constituents.…”

Shear bond strength of calcium silicate-based cements to glass ionomers

“…However, in this study, the mean SBS of the adhesive-free MMTA and EFHF group (21.48 ± 8.95 MPa) showed a significant increase compared to the values reported by Duman et al (5.76 ± 3.63 MPa). Similarly, the mean SBS of the adhesive-free MMTA and FIILC group (9.79 ± 2.83 MPa) also exhibited higher values than those reported in the study conducted by Duman et al (6.06 ± 5.75 MPa) [ 6 ]. The observed difference in the mean SBS between the glass ionomer cement and MMTA groups in this study may be attributed to various factors, including variations in research conditions, sample size, and differences among practitioners.…”

“…Conclusions drawn from these investigations indicate that while Proroot MTA exhibits significantly enhanced clinical performance, it may trail behind more contemporary materials in certain aspects [ 4 , 5 ]. There is currently only one study on the SBS of Medcem MTA and Medcem Pure Portland Cement, which are prepared to meet all MTA indicators accepted in the market and are claimed by the manufacturer to exhibit extraordinary mechanical properties [ 6 ]. Hence, it is of utmost importance to compare them with well-established material in clinical practice for an extended duration, such as Proroot MTA.…”