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The difference of compressive strength between mixture of nanoparticle- indonesia white portland cement-resin and resin-modified calcium silicate: study experimental
Abstract
ABSTRACT
Introduction: Dental caries has a high prevalence in Indonesia and requires restorative treatment to maintain pulp vitality. Pulp capping is one treatment option, and its success is influenced by the material used. Indonesian White Portland Cement (IWPC) has potential as an alternative pulp-capping material, particularly in nanoparticle form combined with resin; however, its mechanical strength requires evaluation. This study aimed to formulate a nano-IWPC-resin mixture and evaluate its compressive strength compared with that of resin-modified calcium silicate (TheraCal LC), with and without incubation in Ringer's lactate. Methods: This true experimental study used 32 samples divided into four groups: Group 1, incubated nano-IWPC-resin; Group 2, non-incubated nano-IWPC-resin; Group 3, incubated resin-modified calcium silicate (TheraCal LC); and Group 4, non-incubated TheraCal LC. Samples were irradiated using a light-curing unit and tested for compressive strength using a universal testing machine with a 5 kN load cell at 1.0 mm/min until failure. Data were analyzed using normality, homogeneity, One-Way ANOVA, and the Games-Howell post hoc test. Results: The incubated nano-IWPC-resin mixture showed the highest compressive strength value (104.46 ± 8.55 MPa), followed by the non-incubated control group (83.85 ± 16.57 MPa), non-incubated nano-IWPC-resin (67.21 ± 6.60 MPa), and incubated control (39.04 ± 7.37 MPa). Statistical analysis showed a significant difference among the four groups (p < 0.001). Conclusion: The incubated nano-IWPC-resin mixture exhibited higher compressive strength than TheraCal LC after incubation in Ringer's lactate, supporting its potential as an alternative pulp-capping material.
KEY WORDS: indonesian white portland cement, nanoparticle, compressive strength, resin-modified calcium silicate.
Perbedaan compressive strength antara campuran resin - nanopartikel - semen portland putih indonesia dan resin-modified calcium silicate : studi eksperimental
ABSTRAK
Pendahuluan: Karies gigi memiliki prevalensi tinggi di Indonesia dan memerlukan perawatan restoratif untuk mempertahankan vitalitas pulpa. Salah satu pilihan perawatan adalah pulp capping dan keberhasilannya dipengaruhi oleh bahan yang digunakan. Semen Portland putih Indonesia (SPPI) memiliki potensi sebagai bahan alternatif pulp capping, terutama dalam bentuk nanopartikel yang dikombinasikan dengan resin; namun, kekuatan mekanisnya perlu dievaluasi. Tujuan penelitian ini bertujuan memformulasikan campuran nanopartikel-SPPI-resin dan menganalisis kekuatan tekannya dibandingkan dengan resin-modified calcium silicate (TheraCal LC), dengan dan tanpa inkubasi dalam larutan Ringer laktat. Metode: Penelitian eksperimental murni ini menggunakan 32 sampel yang dibagi menjadi empat kelompok: Kelompok 1, campuran nanopartikel-SPPI-resin yang diinkubasi; Kelompok 2, nanopartikel-SPPI-resin tanpa inkubasi; Kelompok 3, resin-modified calcium silicate (TheraCal LC) yang diinkubasi; dan Kelompok 4, TheraCal LC tanpa inkubasi. Sampel disinar menggunakan light-curing unit dan diuji kekuatan tekannya menggunakan universal testing machine dengan load cell 5 kN pada kecepatan 1,0 mm/menit hingga terjadi kegagalan. Data dianalisis menggunakan uji normalitas, homogenitas, One-Way ANOVA, dan uji post hoc Games-Howell. Hasil: Campuran nanopartikel-SPPI-resin yang diinkubasi menunjukkan nilai kekuatan tekan tertinggi (104,46 ± 8,55 MPa), diikuti oleh kelompok kontrol tanpa inkubasi (83,85 ± 16,57 MPa), nanopartikel-SPPI-resin tanpa inkubasi (67,21 ± 6,60 MPa), dan kelompok kontrol dengan inkubasi (39,04 ± 7,37 MPa). Analisis statistik menunjukkan adanya perbedaan signifikan antar kelompok (p < 0,001). Simpulan: Campuran nanopartikel-SPPI-resin yang diinkubasi menunjukkan kekuatan tekan lebih tinggi dibandingkan TheraCal LC setelah inkubasi dalam larutan Ringer laktat, sehingga berpotensi menjadi bahan alternatif pulp capping.
KATA KUNCI: semen portland putih indonesia, nanopartikel, compressive strength, resin modified calcium silicate.
Keywords
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DOI: https://doi.org/10.24198/pjdrs.v10i2.69743
DOI (PDF): https://doi.org/10.24198/pjdrs.v10i2.69743.g29353
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