Digital Commons Network^™

Dual Effects Of 1Α,25-Dihydroxyvitamin D3 On Inflammation And Osteogenic Differentiation In Lipopolysaccharide-Stimulated Dental Pulp Stem Cells, Seong Eun Song, Giyoung Yun

Journal of Dental Sciences

No abstract provided.

A Novel Method For The Precise Second Mesiobuccal Canal Orifice Location: A Combined Strategy For Enhanced Clinical Practice, Yuhan Wang, Lingyun Li,

Journal of Dental Sciences

No abstract provided.

Sleep Restriction Exacerbates Pulpal Inflammation And Impairs Tissue Repair Following Dental Pulp Capping: An In Vivo Animal Study, Siqi Huang, Qian Wang, Ziyu Chen, Guomiao Zhang, Ying Zheng

Journal of Dental Sciences

As a fundamental physiological process, sleep is essential for maintaining systemic homeostasis. Although sleep restriction (SR) has been shown to trigger a systemic inflammatory response, its specific impact on local pulpal inflammation remains poorly understood. In this preliminary study, we investigated the effects of SR on the inflammatory response and reparative capacity of dental pulp in a rat model. Immunohistochemistry and western blotting revealed that, even in intact pulp tissue, SR upregulated the expression of interleukin-6, increased the infiltration of neutrophils, and activated the nuclear factor-kappa B signaling pathway. Subsequent investigations demonstrated that following dental pulp capping, SR provoked an …

Peripheral Odontogenic Keratocyst - A Case Report, Hung-Pin Lin, Chun-Pin Chiang

Journal of Dental Sciences

No abstract provided.

Nasal Polyp With Ossification In The Right Maxillary Sinus: Differential Diagnosis Of Radiopaque Lesions In Maxillary Sinus Region, Ssu-Li Li, Shan-Ju Chou, Yang-Che Wu, Chun-Yu Ho

Journal of Dental Sciences

Nasal polyps are soft, droplet-like lumps that develop on the inner lining of the nose or sinuses due to long-term inflammation in those areas. Nasal polyps are common lesions, however, the occurrence of osseous metaplasia within them is relatively rare. Besides, without a CT scan, relying solely on plain X-ray films to assist clinical diagnosis can easily be misleading due to the uncertainty of the lesion’s location. In this report, our treatment steps were described as medical image analysis, removing the lesion, confirming the pathological result, and regularly follow-up. The Caldwell-Luc approach rather than endoscopic surgery was performed due to …

When Two Become Three: Endoscope-Assisted Caldwell–Luc Removal Of An Unexpected Third Dental Bur In The Maxillary Sinus, Ling-Wei Huang, Wei-Chen Huang, Sheng-Hong Wang, Ken-Chung Chen

Journal of Dental Sciences

No abstract provided.

Ok-432 Sclerotherapy For A Plunging Ranula Extending Into The Parapharyngeal Space, Seiya Hayashi, Yoshinori Fujita, Yoshinari Myoken

Journal of Dental Sciences

No abstract provided.

Factors Influencing Dental Career Decision-Making Among High-Achieving Students In Taiwan, Chien-Hong Yu, Mei-Huei Li, Feng-Chou Cheng, Chun-Pin Chiang

Journal of Dental Sciences

No abstract provided.

Living With Generative Ai: Considering Constructionist Approaches To Learning And Methodological Implications Of Process Ontologies, Jimin Lee, Nancy Budwig

Psychology

The growing presence of generative artificial intelligence (GenAI) in educational practice raises questions about how learners and educators live with AI and reshapes questions about how learning unfolds across contemporary learning environments. Although research on AI in education has expanded quickly, much of this work continues to frame GenAI in technocentric and static terms, as a tool to be evaluated, rather than as a relational and developmental presence within learners' trajectories. Drawing on constructionist learning theory and post-Cartesian metatheoretical perspectives, this mini review suggests that such framings are insufficient for understanding how learning is enacted in AI-mediated contexts. We propose …

What Kind Of Democracy Is Energy Democracy? Reconsidering Energy Democracy Through Green Democratic Theory, Eric S. Godoy

Faculty Publications - Philosophy

This study examines an energy democracy framework for guiding a just transition to renewable energy, which incorporates democratic methods and values into energy policy decision-making. But as there are a variety of models of democracy (e.g. liberal, ecological, green republican, and socialist), energy democracy is a complex normative concept, which gives rise to ambiguities and confusions. Drawing from political theory, I argue that identifying with a particular kind of democracy provides the framework with a clearer definition, richer normative grounding, and resources for addressing some limitations its critics have identified, such as the reduction of democracy to participation.

Diverse C–C Bond Formation Reactions Catalyzed By Oxidized Palladium Nanoparticles Supported On Marine Shell Waste Powder Via Additive-Free Deposition–Precipitation, Jian Hou, Garrett M. Milligan, Zhicheng Cai, Jun-Hyun Kim

Faculty Publications – Chemistry

The formation of carbon-carbon (C–C) bonds is central to modern organic synthesis. Although the use of conventional Pd-ligand complexes as homogeneous catalysts results in highly effective yields, these systems often face some limitations including high cost, difficult recyclability, and thermal stability. Here, we demonstrate the utilization of palladium (Pd)-derived metals supported on finely ground marine shell waste as a reactive and recyclable catalyst for diverse C–C bond-forming reactions. Oyster shell powder (OSP) derived from problematic biowaste, primarily composed of calcium carbonate, provides abundant anchoring sites to immobilize Pd ions via an additive-free deposition–precipitation method, followed by thermally-induced conversion into oxidized …

Supporting Teachers’ Learning About Technology Accessibility: A Content Analysis Of Asynchronous Professional Development, Mutiara Syifa, Natalie L. Shaheen

Faculty Publications - College of Education

Accessibility is imperative to providing disabled students a free and appropriate technology-mediated public K-12 education. But according to the literature, teachers often lack the requisite knowledge to ensure the technologies they use are accessible. So, we conducted a study to understand what, if any, asynchronous professional development about technology accessibility was available to teachers and other K-12 professionals. The findings indicate that of the free technology accessibility professional development materials in the sample (a) fewer than 20% are designed for teachers, (b) most provide limited information, and (c) fewer than 9% specifically address science, technology, engineering, and mathematics (STEM) subjects. …

Structural Design Of Macroporous Layered Double Hydroxide Catalysts: Alleviating Mass Transport Constraints In Bulkier Triglycerides, Nazrizawati Ahmad Tajuddin, Mohamad Hidayat Haider, Nazarudin Nazarudin

Baghdad Science Journal

Layered double hydroxides (LDHs) serve as potential catalysts for biodiesel production through triglyceride (TAG) transesterification; nevertheless, mass transport limitations hinder their effectiveness, especially with larger TAG molecules. This study addresses this limitation by synthesizing macroporous MgAlLDH and ZnAlLDH using a polystyrene templating method. Thorough characterization reveals the successful formation of macroporous structures with significantly increased physicochemical properties and their structural design compared to conventional LDHs. X-ray Diffraction (XRD) confirmed the successful restoration of the LDH structure following calcination and rehydration, with enhanced crystallinity seen in the macroporous materials. The BET surface area analysis revealed a substantial increase (∼10x for MgAlLDH) …

Green Synthesis Of Tio2 Nanoparticles Via Graphene Oxide-Doped Malabar Spinach Leaf Extract For Perovskite Solar Cells, Nofrijon Sofyan, Ichsan Pandu Wicaksono, Fiona Angellinnov, Aga Ridhova, Akhmad Herman Yuwono, Donanta Dhaneswara

Baghdad Science Journal

This study investigates a green synthesis route for titanium dioxide (TiO₂) nanoparticles (NPs) using Malabar spinach (Basella rubra) leaf extract, with graphene oxide (GO) as a dopant, for application as an electron transport layer in perovskite solar cells (PSCs). The synthesized TiO₂ NPs were characterized using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS), and field emission scanning electron microscopy equipped with energy dispersive X-ray spectroscopy (FESEM/EDX). XRD results confirmed the presence of a pure anatase phase with a smaller crystallite size than that of commercial TiO₂, …

Influence Of Solvent Type On The Morphology And Mechanical Properties Of Electrospun Pmma Nanofibers, Mohd Khairulniza Mansor, Ahmad Faiza Mohd, Khairunnadim Ahmad Sekak, Norhanifah Mohd Yazid, Nurul Fatahah Asyqin Zainal, Yong Kok Chong

Baghdad Science Journal

Electrospinning is a versatile and widely used technique for producing nanofibers with controlled morphology and high surface area, essential for applications in filtration, biomedical engineering, and sensors. The choice of solvent plays a crucial role in determining the efficiency of the electrospinning process and the properties of the resulting fibers. In this study, poly(methyl methacrylate) (PMMA) nanofibers were fabricated via electrospinning using four different solvents: tetrahydrofuran (THF), dimethylformamide (DMF), chloroform (CHCl3), and acetone at a 20% (w/w) polymer concentration. Surface tension tests revealed that DMF exhibited the highest surface tension, at 40.11 mN/m, which influenced fiber formation. Electrospinning …

Effect Of Demineralization And Physical Activation In Enhancing The Porosity And Adsorption Properties Of Recovered Carbon Black Pyrolyzed From Waste Tire, Siti Nuramirah Rabbani Muhammad Zaki, Nurul Fatahah Asyqin Zainal, Hartini Ahmad Rafaie, Suhaila Idayu Abdul Halim, Chia Chay Tay

Baghdad Science Journal

This research aims to improve the porosity structure and adsorption characteristics of rCB through demineralization and physical activation techniques. Hydrochloric acid (HCl) at various concentrations (1, 5, 6, and 10 M) was employed for demineralization, followed by the addition of 6 M potassium hydroxide (KOH). Physical activation was conducted at temperature ranges of 300, 350, 400, 450, and 500°C for durations of 1, 2, and 3 h. Characterization of rCB was conducted using Fourier Transform Infrared Spectroscopy (FTIR), ash content analysis, Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES), Brunauer-Emmett-Teller (BET), and iodine adsorption number (IAN). Demineralization decreased the ash content …

Porosity And Structural Integrity Of Tin-Polydimethylsiloxane (Pdms) Composites For Radiation Shielding Application, Hanisah Zainal Abidin, Nur Maizatul Azra Mukhtar, Ainorkhilah Mahmood, Nor Aimi Abdul Wahab, Rafidah Zainon, Nurul Syafiqah Roslan, Nur Iwani Nor Izaham, Aishah Zarzali Shah

Baghdad Science Journal

Ionizing radiation benefits medical treatments and diagnostics. However, it also poses significant health risks, such as from the scattering radiation and unintended exposure. Lead is a common shielding material used for its excellent gamma ray attenuation performance, but it presents ergonomic and environmental challenges. This study assesses the structural and potential radiation absorption properties of the tin-polydimethylsiloxane (PDMS) composites. The composites were fabricated with different metal concentrations and tested for radiation protection efficiency (RPE), structural characteristics, chemical structure, and porosity. Gamma-ray spectroscopy was used to characterize radiation, with Cd-109 as a primary source. Pure tin/PDMS (PT) had the highest RPE …

Double-Layered Tin-Polydimethylsiloxane (Pdms) Composites: Evaluation Of Porosity And Structural Morphology Of Polymeric Composites, Nurul Syafiqah Roslan, Nur Maizatul Azra Mukhtar, Ainorkhilah Mahmood, Nor Aimi Abdul Wahab, Rafidah Zainon, Hanisah Zainal Abidin, Aishah Zarzali Shah, Nor Iwani Nor Izaham

Baghdad Science Journal

The pursuit of advanced materials for radiation protection has highlighted the potential of polymer–metal composites. Porosity is a key factor influencing radiation attenuation, as fewer voids reduce pathways for radiation penetration. Recent studies emphasize the role of filler distribution in enhancing both mechanical properties and shielding performance. This work investigates the structural morphology and porosity of tin–PDMS composites prepared with pure tin (PS) and tin alloy (AS) fillers at 10–60 wt.% loadings, along with a tin–alloy mixture series (TM). Morphological features, particle distribution, oxygen content, and porosity were comprehensively analyzed. Results show that porosity strongly correlates with filler distribution and …

Low Temperature Ac Photoelectrochemical Etching Of Si-Doped N-Type Gan: Nanostructure Fabrication For Enhanced Msm Photodetector Performance, Nur Iwani Nor Izaham, Ainorkhilah Mahmood, Rosfariza Radzali, Alhan Farhanah Abd Rahim, Nur Maizatul Azra Mothtar, Mahayatun Dayana Johan Ooi, Naser Mahmoud Ahmed

Baghdad Science Journal

This study has investigated the fabrication of porous Si-doped gallium nitride (GaN) using low-temperature alternating current photoelectrochemical (ACPEC) etching at varying etching durations for MSM photodetector applications. The structural and optical characteristics of the porous GaN samples were examined using a 400 W high-pressure mercury-vapour lamp (Hg-HPVL) and 4% KOH electrolyte with 50 Hz of 100 mA alternating current (AC). Current-voltage (I-V) measurements were conducted to analyse the platinum-deposited GaN for MSM photodetector performance. FESEM micrographs of the etched samples revealed coral-like and nano-tunnel pore formations, while AFM topography showed a significant increase in surface roughness compared to in the …

Effect Of Mycovirus Infection On The Hydrolytic Enzymes Activity Of Fusarium Oxysporum F. Sp. Cubense Tropical Race 4, The Causal Agent Of Banana Fusarium Wilt, Zhi-Qin Lai, Clement Kiing Fook Wong, Nor Ismaliza Binti Mohd Ismail, Ganesan Vadamalai

Baghdad Science Journal

Fusarium oxysporum f.sp cubense Tropical Race 4 also known as Fusarium odoratissimum (FO) is a fungal pathogen affecting banana (Musa spp.). It secretes plant cell-wall degrading enzymes (PCWDEs) to penetrate and colonize roots, resulting in wilting symptoms and host death. Mycovirus is a virus that infects fungus. It was discovered that mycovirus could be a biocontrol agent by causing hypovirulence in fungal pathogens, a typical symptom of suppressed pathogenicity of an infected host. Hypovirulence was also associated to reduced PCWDE activity in several plant fungal pathogens. To date, no hypovirulent mycovirus was reported in FO. Hence, this study …

Patterns Of Antibiotic Resistance In Staphylococci Associated With Bovine Subclinical Mastitis, Intan Nurfarzana Mohd Safini, Muhammad Iqbal Hafiz Saad, Zuraifah Asrah Mohamad, Siti Khairiyah Mohd Hatta, Aziyah Abd. Aziz, Sophia Karen Bakon, Norashirene Mohamad Jamil

Baghdad Science Journal

Bovine mastitis, particularly subclinical mastitis (SCM), is a major concern in dairy cattle due to its asymptomatic nature and significant economic impact. In Asia, Staphylococcus aureus and coagulase-negative staphylococci (CoNS) are key pathogens. The overuse of antibiotics has led to the emergence of multidrug-resistant (MDR) bacteria, posing risks to animal health and food safety. This study aimed to identify staphylococci associated with SCM and assess their antibiotic resistance (AR) profiles. Milk samples were collected from 20 cows at a dairy farm in Malacca, Malaysia, in August and October 2023. SCM was diagnosed using the California Mastitis Test (CMT), and bacterial …

Assessment Of Carbon Capture Potential In Rubber Plantations Via Landsat 9 Imagery Analysis, Ade Fitria, Rahmawaty Rahmawaty, Razali Razali, Jamin Saputra, Seca Gandaseca

Baghdad Science Journal

Indonesia is a significant greenhouse gas (GHG) emitter, contributing 12.3% of carbon dioxide (CO₂) of total emissions. Carbon dioxide (CO₂), a major GHG, is increasing in the Earth’s atmosphere. The CO₂ absorption can be increased through rubber plantations because rubber plants, such as forest plants, can process CO₂ as a carbon source for photosynthesis. This research aims to analyze carbon uptake in relation to tree density, biomass of rubber vegetation, and soil organic carbon (SOC) content, as well as to map the distribution of carbon potential using remote sensing. This research was conducted in …

Study Of Soil Erodibility In Its Relationship With Coffee Plant Productivity Based On Agroforestry In Silaen Sub-District, Toba Regency, Fitra Syawal Harahap, Rahmawaty Rahmawaty, Abdul Rauf, Rahmanta Rahmanta, Delvian Delvian, Badaruddin Badaruddin

Baghdad Science Journal

Coffee plants (Coffea sp.) are currently a plantation crop in great demand among farmers in Silaen Sub-district. However, the soil conditions in Silaen Sub-district are dominated by sandy soil, which can trigger soil sensitivity to high erosion potential. One of the efforts to mitigate the decline in coffee production can be done through estimating the soil erodibility index in Silaen Sub-district. This research aims to estimate the soil erodibility index and obtain its relationship with agroforestry-based coffee production in Silaen Sub-district, Toba Regency. The method for determining land boundaries using land map units (SPL) in the form of land …

Application Of Asparaginase Enzyme In Reducing Acrylamide Formation In Roasted Coffee Beans, Zainab Funmilayo Abdussalam Muhyideen, Ku Madihah Binti Ku, Misnawi Jati, Zaibunnisa Abdul Haiyee

Baghdad Science Journal

Acrylamide is formed through the Maillard reaction between L-asparagine and reducing sugars during thermal processing. The enzyme L-asparaginase can effectively mitigate acrylamide formation by hydrolyzing asparagine into aspartic acid without affecting product quality. This study investigated the effect of asparaginase application methods, enzyme concentrations, and incubation temperatures on acrylamide reduction and pyrazine preservation in roasted Arabica coffee beans. Two enzyme application methods—soaking and spraying—were compared using 4000 U/g asparaginase. Soaking treatment achieved a greater acrylamide reduction (92.8%) compared to spraying (86.8%), and was therefore selected for optimization. Subsequently, enzyme concentrations (2000, 3000, and 5000 U/g) and incubation temperatures (40, 50, …

Dividend Distribution Tax: More Than Meets The Eye - A Critical Analysis Of Polycab India Ltd. V. Assistant Commissioner Of Income-Tax, Ashrita Prasad Kotha

Articles

The case emanates from the dividend distribution tax (DDT) paid by Polycab on shares held by International Finance Corporation (IFC), one of its shareholders. IFC was set up by an international agreement to support the private sector in developing countries and was granted tax immunity on its income and transactions under the founding multilateral treaty and supporting domestic law. Polycab sought refund of DDT owing to IFC's immunity. The Income Tax Appellate Tribunal (ITAT) ruled in favour of Polycab by considering dividend distribution within the immunity clause and reading in an exemption into the income tax legislation. Significantly, the DDT …

Herbal Medicine For Oral Ulcer Treatment: Mechanisms, Efficacy, And Therapeutic Potential, Shinn-Zong Lin, Tsung-Hsien Chuang, Chih-Yang Huang, Tsung-Jung Ho, Yi-Pang Lee

Journal of Dental Sciences

Oral ulcers are common inflammatory lesions of the oral mucosa that significantly affect patients’ quality of life through pain, eating difficulties, and psychological stress. Their development is multifactorial, involving mechanical trauma, infection, nutritional deficiencies, immune dysregulation, and oxidative stress. Conventional treatments including antiseptics, corticosteroids, and immunomodulators, provide symptomatic relief but are often limited by side effects, recurrence, and poor patient adherence. Increasing interest has therefore focused on herbal medicines as complementary or alternative therapies. Numerous single herbs such as Aloe vera, licorice, curcumin, chamomile, berberine, neem, sage, myrrh, and guava and traditional formulations have demonstrated anti-inflammatory, antioxidant, immunomodulatory, antimicrobial, and …

Physico-Mechanical Properties And Streptococcus Mutans Biofilm Formation Of Bio‑Based Flexible Crowns Versus Stainless Steel And Zirconia Crowns For Pediatric Full-Coverage Restorations, Tzu-Yu Peng, Szu-Yu Lai, Yan-An Wu, Ya-Ting Yang, Yuichi Mine, Huei-Yu Huang

Journal of Dental Sciences

Background/purpose: Bio‑based flexible (BFX) have recently emerged as a potential alternative to conventional pediatric full‑coverage restorations, but evidence regarding their properties and microbial behavior remains limited. Thus, this study aimed to evaluate the physico-mechanical properties and microbial behavior of BFX crown compared with stainless steel crowns (SSC) and zirconia crowns (ZRC) for pediatric full-coverage restorations.

Materials and methods: Mandibular primary molar crowns from BFX, SSC, and ZRC were assessed. Weight was measured using an electronic balance, and surface roughness and topography were evaluated using a stylus profilometer and atomic force microscopy. The arithmetic mean roughness (Ra) and root mean square …

Anemia, Hematinic Deficiencies, And Hyperhomocysteinemia In Gastric Parietal Cell Antibody-Positive And -Negative Recurrent Aphthous Stomatitis Patients, Yu-Hsueh Wu, Yi-Ping Wang, Yi-Pang Lee, Julia Yu-Fong Chang, Andy Sun, Chun-Pin Chiang

Journal of Dental Sciences

Background/purpose: Our previous study found the serum gastric parietal cell antibody (GPCA) positivity in 12.8% of 430 recurrent aphthous stomatitis (RAS) patients. This study assessed whether GPCA-positive RAS (GPCA⁺RAS) patients had significantly higher frequencies of macrocytosis, anemia, hematinic deficiencies, and hyperhomocysteinemia than healthy control subjects or GPCA-negative RAS (GPCAˉRAS) patients.

Materials and methods: The mean corpuscular volume, blood hemoglobin (Hb), and serum iron, vitamin B12, folic acid, homocysteine, and GPCA levels were measured and compared between any two of three groups of 55 GPCA⁺RAS patients, 375 GPCAˉRAS patients, and 430 healthy control subjects.

Results: We found …

Hollow Fiber Assay Microtube Array Membrane (Mtam-Hfa) For Personalized Anticancer Drug Screening In Selection Of Concurrent Chemoradiotherapy In Oral Squamous Cell Carcinoma, Shan-Ju Chou, Po-Chih Hsu, Chee Ho Chew, Wan-Ting Huang, Amanda Lin Chen, Chen-Yin Yong, Chia-Che Wu, Chia-Lun Chang, Chien-Chung Chen, Kuan-Chou Lin

Journal of Dental Sciences

Background/purpose: In Asia, oral squamous cell carcinoma (OSCC) are on the rise in part due to the consumption of betel nut in several regions. This clinical case study evaluated the application of the microtube array membrane-hollow fiber assay (MTAM-HFA) that was previously clinically demonstrated in the context of the selection of chemotheraputic agents as part of the treatment of concurrent chemoradiotherapy (CCRT) in OSCC.

Materials and methods: In this double-blind cohort study, surgical samples from OSCC patients were retrieved and sent for screening of tumor response against a panel of chemotherapeutic agents (5-fluorouracil (5-FU), cisplatin, carboplatin and docetaxel). …

Artificial Intelligence In Dentistry: A Cross-Domain Bibliometric Analysis Of Technologies, Functional Applications, And Dental Specialties, Yinghui Yang, Cheng-Chia Yu, Min Yee Ng

Journal of Dental Sciences

Background/purpose: Artificial intelligence is increasingly applied in dentistry across diagnosis, prediction, treatment planning, education, and patient communication. This study aimed to provide a structured cross-domain overview of dental AI research by integrating AI technologies, functional applications, and dental specialties within one bibliometric framework.

Materials and methods: AI-related dental publications from 2016 to 2026 were retrieved from the Web of Science Core Collection. Original and review articles were screened and classified by AI technology, functional application, and dental specialty. Bibliometric mapping, collaboration analysis, keyword co-occurrence, and heatmap-based cross-domain visualization were performed.

Results: A total of 920 publications were included. Publication …