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Nonvital Root Canal Treatment of Necrotic Maxillary Left Lateral Incisor: A Case Report Widyastuti, Noor Hafida; Nurhabibah, Gina
Proceeding ISETH (International Summit on Science, Technology, and Humanity) 2021: Proceeding ISETH (International Summit on Science, Technology, and Humanity)
Publisher : Universitas Muhammadiyah Surakarta

A dental fracture or cracked tooth is a break or crack of a tooth fragment which is usually caused by traumatic injuries or attack. Traumatic injuries to the tooth can affect the pulp so that the tooth becomes necrosis (nonvital). Root treatment is one of the treatments for pulp disease by removal of the pulp from the root canal and filling the canal with obturation material. The goal is to prevent transmission of the pulp to the periapical tissue, or if it has occurred, to alter or return the periapical tissue to its normal state. This case report discusses root canal treatment of a nonvital tooth in a 31 years old female patient with fracture tooth. The treatment plan is root canal treatment which consists of three main stages that are biomechanical preparation of the root canal, root sterilization with calcium hydroxide, and obturation. Obturation of the root canal using lateral condensation technique with gutta percha material and endomethasone sealer. The success of root treatment requires knowledge of the root canal and the quality of obturation as well as the final restoration.

The Differences Fracture Resistance between Smooth and Serrated Type of Fiber Reinforced Composite Post Widyastuti, Noor Hafida; Isabella, Dara
Proceeding ISETH (International Summit on Science, Technology, and Humanity) 2020: Proceeding ISETH (International Summit on Science, Technology, and Humanity)
Publisher : Universitas Muhammadiyah Surakarta

Purpose: to determine fracture resistance differences between smooth type fiber reinforced composite post and serrated types.Methodology: the design of research is post test only control group design. The sample were 32 extracted mandibullary premolars treated endodontically crown down method with gutta percha and resin sealer. The tooth after root canal treatment is continued with the preparation of the post using precission drill. The samples divided into two group based: A. smooth type FRC post, B. serrated type FRC post. FracturSamples were loaded to failure with a Universal Testing Machine. Results: there was a fracture resistance difference between smooth type of FRC post and serrated. Fiber reinforced composite type serrated is more resistance to fracture than FRC type smooth.

Comparison of Fracture Resistance between Prefabricated and Fabricated Fiber Reinforced Post Systems on Different Post Canal Width Widyastuti, Noor hafida; Hadriyanto, Wignyo; Mulyawati, Ema
Proceeding ISETH (International Summit on Science, Technology, and Humanity) 2016: Proceeding ISETH (International Conference on Science, Technology, and Humanity)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/iseth.2362

Background: Endodontic treated teeth are more susceptible to fracture. Correct restoration can minimize fracture risk, for example crown and post-core systems. Based on its manufacturing, Fiber Reinforced Composite (FRC) Post was divided into prefabricated and fabricated. The objective of this study was to evaluate the differences of fracture resistance between Prefabricated and Fabricated FRC Post systems on different post canal width. Method: The samples of this study were 28 premolars that were cut with 15 mm in length. The samples were treated with conventional endodontic method using gutta percha and resin sealer. The samples were divided into two groups and two sub-groups. The first two group was based on canal width consisting of 14 teeth each group with two different canal width (1.4 mm and 2.1 mm). Then, the first group was divided again into two subgroups based on the dowel use (Prefabricated post and Fabricated Post). Universal Testing machine was used to test the samples resistance. Result: This research showed that there were differences in fracture resistance on different post canal width. However, there were no fracture resistance differences between prefabricated post and fabricated post.

Antibacterial Effectiveness Of Green Shell Nanocitosan (Perna Viridis) On The Growth Of The Bacteria Prevotella Intermedia (In Vitro Study) Widyastuti, Noor Hafida; Cahyani, Cahyani
Odonto : Dental Journal Vol 12, No 3 (2025): December 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.3.251-257

Background: Green mussel shell nanochitosan is a size modification of chitosan obtained from green mussel shells that have been processed with specific standards. Nanochitosan from green mussel shells has not been researched for its anti-bacterial properties against Prevotella intermedia bacteriaPurpose: This study aims to determine the antibacterial effect on the growth of Prevotella intermedia bacteria. Method: This research is laboratory research using a posttest only control group design.Method: This research is laboratory research using a posttest only control group designResult: Nanochitosan with concentrations of 0.5%, 1%, 1.5% and 2% was able to inhibit the growth of Prevotella intermedia bacteria. The test results using the One Way ANOVA test obtained a value of p = 0.000 so that p < 0.5 and it was stated that there was a significant difference between treatment groups on the growth inhibition value of Prevotella intermedia bacteriaConclusion: There is an anti-bacterial effect and there is an inhibitory zone in the culture of Prevotella intermedia bacteria that has been incubated within 24 hours with 37°C. The greater the concentration used, the more effective the antibacterial agent is

Antibacterial Effectiveness Of Green Shell Nanocitosan (Perna Viridis) On The Growth Of The Bacteria Prevotella Intermedia (In Vitro Study) Widyastuti, Noor Hafida; Cahyani, Cahyani
Odonto : Dental Journal Vol 12, No 3 (2025): December 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.3.251-257

Background: Green mussel shell nanochitosan is a size modification of chitosan obtained from green mussel shells that have been processed with specific standards. Nanochitosan from green mussel shells has not been researched for its anti-bacterial properties against Prevotella intermedia bacteriaPurpose: This study aims to determine the antibacterial effect on the growth of Prevotella intermedia bacteria. Method: This research is laboratory research using a posttest only control group design.Method: This research is laboratory research using a posttest only control group designResult: Nanochitosan with concentrations of 0.5%, 1%, 1.5% and 2% was able to inhibit the growth of Prevotella intermedia bacteria. The test results using the One Way ANOVA test obtained a value of p = 0.000 so that p < 0.5 and it was stated that there was a significant difference between treatment groups on the growth inhibition value of Prevotella intermedia bacteriaConclusion: There is an anti-bacterial effect and there is an inhibitory zone in the culture of Prevotella intermedia bacteria that has been incubated within 24 hours with 37°C. The greater the concentration used, the more effective the antibacterial agent is

RASIO EOSINOFIL-MONOSIT TIDAK BERKORELASI DENGAN MARKER DERAJAT PENYAKIT INFEKSI VIRUS DENGUE PADA ANAK Jatmiko, Safari Wahyu; Puspitasari, Metana; Widyastuti, Noor Hafida; Aisyah, Riandini
Majalah Kesehatan Vol. 0 No. 00 (2026): Article in Press
Publisher : Faculty of Medicine Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Rasio Eosinofil-Monosit (REM) telah digunakan sebagai marker inflamasi yang berhubungan dengan derajat penyakit seperti stroke iskemik akut, gagal jantung, dan Grave’s disease, namun belum pernah dilakukan pada infeksi virus dengue (IVD). Eosinofil dan monosit berperan dalam patogenesis IVD dan terdapat laporan bahwa jumlah monosit berbanding terbalik dengan jumlah eosinofil pada kondisi inflamasi. Di sisi lain, platelet dan hematokrit merupakan bagian dari marker derajat penyakit pada IVD. Semakin berat derajat IVD semakin tinggi hematokrit dan semakin rendah platelet. Maka, penelitian mengenai REM dan penyusun REM yang dikaitkan dengan platelet dan hematokrit perlu dilakukan. Tujuan penelitian untuk mengetahui korelasi antara monosit dengan hematokrit, sel esoinofil dengan hematokrit dan platelet, dan REM dengan hematokrit dan platelet pada IVD anak. Metode penelitian observasional dengan desain cross-sectional. Penelitian dilakukan di RS PKU Muhammadiyah Sampangan Surakarta dari Desember 2023-2024 terhadap populasi pasien IVD di bawah 15 tahun, sesuai kriteria IVD WHO 2009, dan terkonfirmasi melalui tes antibodi anti-dengue. Pasien dengan riwayat gangguan homeostasis, komorbid, riwayat vaksinasi dengue, alergi, malignansi, kecacingan, atau sedang mengalami infeksi lainnya dikecualikan dari penelitian. Berdasarkan rumus besar sampel untuk uji korelasi Pearson menggunakan transfor-masi Fisher’s Z didapatkan jumlah sampel sebanyak 50. Analisis monosit, eosinofil, REM, hematokrit, dan platelet dilakukan menggunakan Hematology Analyzer. Hasil penelitian ditemukan bahwa terdapat korelasi antara monosit dengan Hct (r = 0,361, p = 0,001), namun tidak ada korelasi yang signifikan secara statistik antara eosinofil dan REM dengan platelet dan hematokrit. Kesimpulan menunjukkan monosit berpotensi sebagai indikator derajat keparahan IVD, namun tidak dengan eosinofil dan REM.

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