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Articles 150841 - 150870 of 157171
Full-Text Articles in Entire DC Network
Tipologia Evenimentelor Și Intituțiilor În Cartea Daniel, Daniel Olariu
Tipologia Evenimentelor Și Intituțiilor În Cartea Daniel, Daniel Olariu
Faculty Publications
No abstract provided.
A Predator-Prey Population Model Of Multiple Species With Separated Competition Terms, Functional Differential Equations, Joon Hyuk Kang
A Predator-Prey Population Model Of Multiple Species With Separated Competition Terms, Functional Differential Equations, Joon Hyuk Kang
Faculty Publications
No abstract provided.
Effects Of Interventions For The Prevention And Management Of Maternal Anemia In The Advent Of The Covid-19 Pandemic: Systematic Review And Meta-Analysis, John Kyalo Muthuka Dr., Diana Kageni Mbari-Fondo, Francis Muchiri Wambura, Kelly Oluoch, Japheth Mativo Nzioki, Nabaweesi Rosemary Dr
Effects Of Interventions For The Prevention And Management Of Maternal Anemia In The Advent Of The Covid-19 Pandemic: Systematic Review And Meta-Analysis, John Kyalo Muthuka Dr., Diana Kageni Mbari-Fondo, Francis Muchiri Wambura, Kelly Oluoch, Japheth Mativo Nzioki, Nabaweesi Rosemary Dr
Faculty Publications
No abstract provided.
Suicide Awareness And Crisis Planning: Trauma Responsive Techniques For Educators, Dustin Young, Shannon Trecartin
Suicide Awareness And Crisis Planning: Trauma Responsive Techniques For Educators, Dustin Young, Shannon Trecartin
Faculty Publications
No abstract provided.
Episcopal Ordination And The Breaker Of Succession: Martin Luther And Nicolaus Von Amsdorf, Denis Kaiser
Episcopal Ordination And The Breaker Of Succession: Martin Luther And Nicolaus Von Amsdorf, Denis Kaiser
Faculty Publications
No abstract provided.
Environmentally Persistent Free Radicals Lead To Selective Inhibition Of Cyp1 Monooxygenase Activities, And Increased Production Of Reactive Oxygen Species By Reaction Uncoupling, John Patrick Connick, Amari A. Stepter, George F. Cawley, Marilyn K. Eyer, Wayne L. Backes
Environmentally Persistent Free Radicals Lead To Selective Inhibition Of Cyp1 Monooxygenase Activities, And Increased Production Of Reactive Oxygen Species By Reaction Uncoupling, John Patrick Connick, Amari A. Stepter, George F. Cawley, Marilyn K. Eyer, Wayne L. Backes
School of Medicine Faculty Publications
This study focuses on the effect of Environmentally Persistent Free Radicals (EPFRs) on the P450 enzymes of the CYP1 family. EPFRs are a component of particulate pollutants, that are stable in the environment, but can generate free radicals, leading to oxidative stress and subsequent toxicity of the respiratory, cardiovascular, and immune systems once they enter an organism. The results show differences in the ability of EPFRs to inhibit CYP1-dependent substrate metabolism, with CYP1B1 being inhibited to the greatest extent. There also were differences in the ability of EPFRs to disrupt the POR•CYP1 complex, with CYP1B1 being the only form where …
Chronic Administration Of A Cannabis-Derived Mixture At An Antihyperalgesic Dose Does Not Significantly Enhance Hepatotoxicity Or The Development Of Metabolic Dysfunction-Associated Steatohepatitis In Male Mice, Kim B. Pedersen, Tomislav Jelesijevic, Tamara M. Morris, Sarah M. Melton, Ashley S. Henderson, John F. Glenn, Gregory J. Davenport, Martin J.J. Ronis, Peter J. Winsauer
Chronic Administration Of A Cannabis-Derived Mixture At An Antihyperalgesic Dose Does Not Significantly Enhance Hepatotoxicity Or The Development Of Metabolic Dysfunction-Associated Steatohepatitis In Male Mice, Kim B. Pedersen, Tomislav Jelesijevic, Tamara M. Morris, Sarah M. Melton, Ashley S. Henderson, John F. Glenn, Gregory J. Davenport, Martin J.J. Ronis, Peter J. Winsauer
School of Medicine Faculty Publications
Cannabis and cannabinoid mixtures have been linked to a variety of health benefits including pain mitigation, suppression of nausea produced by chemotherapeutic agents, anti-inflammatory effects, and effects on energy homeostasis, glucose, and lipid metabolism. The latter properties have led to the suggestion that these products could have therapeutic effects on the development of metabolic dysfunction-associated steatohepatitis (MASH) - a severe type of liver pathology in obese and diabetic patients. However, varying agonist and antagonistic properties of different cannabinoids on the endogenous cannabinoid system make prediction regarding hepatic effects and diet interactions difficult. The current study was designed to examine hepatic …
Multi-Modal Neo-Adjuvant Anti-Obesity Medications May Be More Effective Than Medically Supervised Weight Loss Or Glp-1 Therapy Alone In Preparing Bmi ≥ 70 Patients For Metabolic Surgery, Michael Kachmar, Florina Corpodean, Iryna Popiv, Kyle B. Lapenna, Denise M. Danos, Michael W. Cook, Brian A. Saunders, Jean J. Domercant, Vance L. Albaugh, Philip R. Schauer
Multi-Modal Neo-Adjuvant Anti-Obesity Medications May Be More Effective Than Medically Supervised Weight Loss Or Glp-1 Therapy Alone In Preparing Bmi ≥ 70 Patients For Metabolic Surgery, Michael Kachmar, Florina Corpodean, Iryna Popiv, Kyle B. Lapenna, Denise M. Danos, Michael W. Cook, Brian A. Saunders, Jean J. Domercant, Vance L. Albaugh, Philip R. Schauer
School of Medicine Faculty Publications
Background/objectives: Optimizing patients with a body mass index (BMI) ≥ 70 kg/m² for metabolic surgery (MS) is challenging. However, pre-operative weight loss may be important for improving the safety of MS for these high-risk patients. Multi-modal anti-obesity medications (mmAOM) may enhance preoperative weight loss compared to non-pharmacologic medically supervised weight loss (NP-MSWL) or glucagon-like peptide-1 receptor agonist monotherapy (Mono-GLP-1) alone. Subjects/methods: This retrospective study analyzed 113 patients with BMI ≥ 70 kg/m² at a single metabolic disease treatment institute. Interventions/methods: Patients were categorized into NP-MSWL (n = 13), Mono-GLP-1 (n = 54), and mmAOM (n = 46) groups. The primary …
Daidzein Enhances Cisplatin Sensitivity And Inhibits Migration Of Oral Squamous Cell Carcinoma Through Modulating Mitogen-Activated Protein Kinase Signaling Pathway, Chung-Jan Kang, Jia-Xin Tan, Chao-Kai Chang, Szu-Han Chen, Cheng-Chia Yu, Chang-Wei Hsieh
Daidzein Enhances Cisplatin Sensitivity And Inhibits Migration Of Oral Squamous Cell Carcinoma Through Modulating Mitogen-Activated Protein Kinase Signaling Pathway, Chung-Jan Kang, Jia-Xin Tan, Chao-Kai Chang, Szu-Han Chen, Cheng-Chia Yu, Chang-Wei Hsieh
Journal of Dental Sciences
Abstract Background/purpose Oral squamous cell carcinoma (OSCC), a prevalent head and neck malignancy, is associated with poor survival rates in advanced stages. According to the American Society of Clinical Oncology (2023), the 5-year survival rate is 86 % for localized OSCC but drops to 69 % and 40 % for regional and distant metastases, respectively, underscoring the critical role of metastasis in treatment failure. Despite advances, few chemotherapeutic agents effectively target metastatic OSCC. Daidzein (DZ), a plant-derived isoflavone, has demonstrated anti-metastatic properties in breast and colon cancers. Materials and methods This study evaluated DZ's therapeutic potential in OSCC, focusing on …
A Dental Clinic In A Western Painting Work From An Art Exhibition In 1940: The Story Of A Japanese Dental Teacher, Dr. Isamu Sugiyama, Ling-Hsia Wang, Hsing-Yin Li, Feng-Chou Cheng, Chun-Pin Chiang
A Dental Clinic In A Western Painting Work From An Art Exhibition In 1940: The Story Of A Japanese Dental Teacher, Dr. Isamu Sugiyama, Ling-Hsia Wang, Hsing-Yin Li, Feng-Chou Cheng, Chun-Pin Chiang
Journal of Dental Sciences
No abstract provided.
Periodontal Tissue Increase Induced By Simultaneous Labial And Lingual Augmented Corticotomy For Skeletal Angle Class Iii Malocclusion Patients–A Preliminary Study, Jianxia Hou, Xiaochi Chang, Ye Han, Min Xu, Zhiqiang Luo, Yi Li, Yuzhe Sun, Cheng Lin, Yi Feng, Li Xu
Periodontal Tissue Increase Induced By Simultaneous Labial And Lingual Augmented Corticotomy For Skeletal Angle Class Iii Malocclusion Patients–A Preliminary Study, Jianxia Hou, Xiaochi Chang, Ye Han, Min Xu, Zhiqiang Luo, Yi Li, Yuzhe Sun, Cheng Lin, Yi Feng, Li Xu
Journal of Dental Sciences
Abstract Background/purpose During orthodontic decompensation in skeletal Angle Class III patients, a disruption of the periodontal tissues on the labial and lingual sides often occurs. This study aimed to assess the changes in the periodontal tissues of the mandibular anterior teeth after simultaneous labial and lingual augmented corticotomy (LLAC) surgery by digital measurements. Materials and methods The present study enrolled 11 adult patients with skeletal Class III malocclusion, with a total of 66 anterior teeth, who underwent LLAC surgery. Cone-beam computed tomography (CBCT) and intraoral scanning were obtained before surgery, at the immediate postoperatively and at 6 months postoperatively. The …
A Scientometric Study On Research Trends And Characteristics Of Furcation Involvement In Periodontal Disease, Taohua Pan, Qingqing Liu, Xin Bao, Ling Xu
A Scientometric Study On Research Trends And Characteristics Of Furcation Involvement In Periodontal Disease, Taohua Pan, Qingqing Liu, Xin Bao, Ling Xu
Journal of Dental Sciences
Abstract Background/Purpose Furcation involvement is a condition characterized by unpleasant odors originating from the oral cavity. The purpose of this study was to analyze the scientometric characteristics and research trends of furcation involvement. Materials and methods All the papers on furcation involvement were comprehensively retrieved from the Scopus database. The years of publication were divided into before 2010 and after 2010 in the analysis of research trends. Results There were 1537 papers on furcation involvement, with total citations of 47,246 and the h index of 98. The treatment modalities included guided tissue regeneration (GTR), bone regeneration, artificial membranes, surgical flaps, …
Concurrent Occurrence Of A Salivary Duct Cyst And Two Mucoceles In The Lower Lip, An-Ni Shih, Ying-Tai Jin, Andy Sun, Chun-Pin Chiang
Concurrent Occurrence Of A Salivary Duct Cyst And Two Mucoceles In The Lower Lip, An-Ni Shih, Ying-Tai Jin, Andy Sun, Chun-Pin Chiang
Journal of Dental Sciences
No abstract provided.
The Dental Clinic On The Postcard With The Theme Of Taiwan Street Scene During The Japanese Colonial Period: The Story Of A Japanese Immigrant, Dr. Akira Sugiyama, Feng-Chou Cheng, Ling-Hsia Wang, Chun-Pin Chiang
The Dental Clinic On The Postcard With The Theme Of Taiwan Street Scene During The Japanese Colonial Period: The Story Of A Japanese Immigrant, Dr. Akira Sugiyama, Feng-Chou Cheng, Ling-Hsia Wang, Chun-Pin Chiang
Journal of Dental Sciences
No abstract provided.
Ethical Implications And Moral Considerations Of Dental Practice Based On Taiwan's Medical Regulations, Feng-Chou Cheng, Wei-Chun Lin, Ling-Hsia Wang, Chun-Pin Chiang
Ethical Implications And Moral Considerations Of Dental Practice Based On Taiwan's Medical Regulations, Feng-Chou Cheng, Wei-Chun Lin, Ling-Hsia Wang, Chun-Pin Chiang
Journal of Dental Sciences
No abstract provided.
Severe External Root Resorption Of The Right Maxillary Second Molar Caused By The Pressure From An Impacted Wisdom Tooth, Feng-Chou Cheng, Yu-Ting Hu, Chun-Pin Chiang
Severe External Root Resorption Of The Right Maxillary Second Molar Caused By The Pressure From An Impacted Wisdom Tooth, Feng-Chou Cheng, Yu-Ting Hu, Chun-Pin Chiang
Journal of Dental Sciences
No abstract provided.
2-O-Methylmagnolol Mitigates The Generation Of Reactive Oxidative Stress And Inflammaging In Human Gingival Epithelial Cells And Fibroblasts With Advanced Glycation End Products Stimulation, Yu-Chao Chang, Liang-Gie Huang, Cheng-Chia Yu, Jia-You Fang, Min Ng, Yi-Wen Liao
2-O-Methylmagnolol Mitigates The Generation Of Reactive Oxidative Stress And Inflammaging In Human Gingival Epithelial Cells And Fibroblasts With Advanced Glycation End Products Stimulation, Yu-Chao Chang, Liang-Gie Huang, Cheng-Chia Yu, Jia-You Fang, Min Ng, Yi-Wen Liao
Journal of Dental Sciences
Abstract Background/purpose Individuals with diabetes mellitus (DM) are more susceptible to periodontitis, largely due to the accumulation of advanced glycation end-products (AGEs), which drive oxidative stress and inflammaging. Inflammaging is a state of chronic low-grade inflammation and accelerated cellular aging that contributes to periodontal degradation, mediated by AGEs-induced cellular senescence and senescence-associated secretory phenotype (SASP). 2-O-methylmagnolol (2-MG), a bioactive compound with antioxidant and anti-inflammatory properties, remains underexplored in DM-associated periodontal degeneration. This study investigated the effects of 2-MG on AGE-induced oxidative stress and inflammaging in human gingival epithelial cells (HGEs) and human gingival fibroblasts (HGFs). Materials and methods The study …
Classification Of Immediate Implant Placement (Iip) And Immediate Implant Placement With Provisionalization (Iipp) Based On The Scores Of Surgical And Restorative Difficulties, Je-Kang Du, Chiun-Lin Steven Liu, Ching-Jung Chang Chien
Classification Of Immediate Implant Placement (Iip) And Immediate Implant Placement With Provisionalization (Iipp) Based On The Scores Of Surgical And Restorative Difficulties, Je-Kang Du, Chiun-Lin Steven Liu, Ching-Jung Chang Chien
Journal of Dental Sciences
Abstract Background/purpose Immediate implant placement (IIP) and immediate implant placement with provisionalization (IIPP) have gained popularity for reducing treatment time and improving patient outcomes. However, these techniques involve varying levels of surgical and prosthetic complexity. Existing implant classification systems primarily focus on timing and bone healing stages, but they do not fully address the combined surgical and restorative challenges presented by IIP and IIPP cases. The purpose of this article was to provide a classification system for IIP and IIPP based on their surgical and restorative difficulties. Materials and methods This retrospective clinical study evaluated immediate implant placement (IIP) and …
Psychosomatic Concepts In Nociplastic Pain: The Case Of Burning Mouth Syndrome, Takayuki Suga, Akira Toyofuku
Psychosomatic Concepts In Nociplastic Pain: The Case Of Burning Mouth Syndrome, Takayuki Suga, Akira Toyofuku
Journal of Dental Sciences
No abstract provided.
Adenomatoid Odontogenic Tumor Arising From A Dentigerous Cyst In An Elderly Patient: An Unusual Presentation, Kyu-Young Oh
Adenomatoid Odontogenic Tumor Arising From A Dentigerous Cyst In An Elderly Patient: An Unusual Presentation, Kyu-Young Oh
Journal of Dental Sciences
No abstract provided.
Digital Transformation And Talent Needs In The Greater China Region: Additional Perspectives From Mainland China, Hongnan Ye
Journal of Dental Sciences
No abstract provided.
Dynamic Contrast-Enhanced Magnetic Resonance Imaging Of Masticatory Muscles In Patients With Idiopathic Condylar Resorption, Yu-Chen Wang, Hsiao-Chiao Yeh, Yunn-Jy Chen, Tiffany Ting-Fang Shih
Dynamic Contrast-Enhanced Magnetic Resonance Imaging Of Masticatory Muscles In Patients With Idiopathic Condylar Resorption, Yu-Chen Wang, Hsiao-Chiao Yeh, Yunn-Jy Chen, Tiffany Ting-Fang Shih
Journal of Dental Sciences
Abstract Background/purpose Idiopathic condylar resorption (ICR), a subset of temporomandibular disorders (TMDs), presents an unclear relationship between structural changes in the mandibular condyle and alterations in masticatory muscle perfusion. This study aimed to investigate the correlation between mandibular condyle structural changes and masticatory muscle perfusion in patients with ICR using dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI). Materials and methods From July 2018 to August 2022, patients with ICR from hospital-based TMD clinics underwent conventional and DCE MRI examinations. The patients were categorized on the basis of the degree of temporomandibular joint (TMJ) condylar resorption into grade 0 (normal), grade …
Managing Limited Clinical Crown Height With Vital Pulp Therapy: Clinical Application And Outcome, Sheila May Lao Dee, Chun Yi Kao, Arturo P. De Leon, Tsui Hsien Huang
Managing Limited Clinical Crown Height With Vital Pulp Therapy: Clinical Application And Outcome, Sheila May Lao Dee, Chun Yi Kao, Arturo P. De Leon, Tsui Hsien Huang
Journal of Dental Sciences
No abstract provided.
Masson's Tumor Of Masticatory Space: Detection In Medical Images, Pei-Ju Chiang, Yang-Che Wu, Kazuyo Kuribayashi Sato, Chun-Yu Ho
Masson's Tumor Of Masticatory Space: Detection In Medical Images, Pei-Ju Chiang, Yang-Che Wu, Kazuyo Kuribayashi Sato, Chun-Yu Ho
Journal of Dental Sciences
No abstract provided.
Exploring Gender-Specific Prognostic Factors And Survival Outcomes In Oral Squamous Cell Carcinoma: Insights From A Taiwanese Cohort, Shih-Jung Cheng, Hui-Hsin Ko, Fang-Yu Wu, Hsiang-Fong Kao, Wender Lin, Ya-Syuan Chen
Exploring Gender-Specific Prognostic Factors And Survival Outcomes In Oral Squamous Cell Carcinoma: Insights From A Taiwanese Cohort, Shih-Jung Cheng, Hui-Hsin Ko, Fang-Yu Wu, Hsiang-Fong Kao, Wender Lin, Ya-Syuan Chen
Journal of Dental Sciences
Abstract Background /purpose: Oral squamous cell carcinoma (OSCC) is a prevalent malignancy in Taiwan, with sex-specific variations in risk factors, clinical presentation, and prognosis. This study aimed to evaluate the clinicopathological characteristics and survival outcomes of a larger cohort of male and female OSCC patients treated at National Taiwan University Hospital (NTUH) between 2012 and 2022. Materials and methods A retrospective review of 240 de-identified, sex- and age-matched OSCC patients was conducted, analyzing clinicopathological characteristics, lifestyle habits (alcohol, betel quid, smoking), and survival outcomes. Results Gender differences were observed in tumor location, with males more likely to have buccal mucosa …
The Standardization Of Oral Health Screening Survey In Taiwan, Chung-Pin Chiang, Feng-Chou Cheng, Ling-Hsia Wang
The Standardization Of Oral Health Screening Survey In Taiwan, Chung-Pin Chiang, Feng-Chou Cheng, Ling-Hsia Wang
Journal of Dental Sciences
No abstract provided.
Fatostatin Delayed Lip Sensory Recovery After Inferior Alveolar Nerve Transection By Inhibiting Sterol Regulatory Element-Binding Protein 1, Li Ye, Suning Mao, Zhongkai Ma, Gaowei Zhang, Pingchuan Ma, Chunjie Li
Fatostatin Delayed Lip Sensory Recovery After Inferior Alveolar Nerve Transection By Inhibiting Sterol Regulatory Element-Binding Protein 1, Li Ye, Suning Mao, Zhongkai Ma, Gaowei Zhang, Pingchuan Ma, Chunjie Li
Journal of Dental Sciences
Abstract Lipid metabolism is essential for nerve repair in damaged nerves. Fatostatin, a selective inhibitor of sterol regulatory element-binding protein 1 (SREBP1), could reduce cholesterol synthesis and disturb lipid homeostasis. However, whether fatostatin would delay lip sensory recovery after inferior alveolar nerve transection remains unclear. In this preliminary study, we investigated the effects of fatostatin on lip sensory recovery in vivo and axon growth in vitro . Fatostatin significantly delayed lip sensory recovery of mice after inferior alveolar nerve transection as evidenced by quantitative sensory testing. Fatostatin also reduced the average axon length of primary trigeminal neurons. Despite SREBP1, expressions …
3,4-Methylenedioxymethamphetamine Induces Reactive Oxygen Species-Mediated Autophagy And Thioredoxin-Interactive Protein/Nucleotide-Binding Domain, Leucine-Rich Containing Family, Pyrin Domain-Containing-3 Inflammasome Activation In Dental Pulp Stem Cells, Chung-Hsing Li, Shih-Yu Lee, Shang-Wen Chiu, I-Hsun Li, Wei-Cheng Tsai
3,4-Methylenedioxymethamphetamine Induces Reactive Oxygen Species-Mediated Autophagy And Thioredoxin-Interactive Protein/Nucleotide-Binding Domain, Leucine-Rich Containing Family, Pyrin Domain-Containing-3 Inflammasome Activation In Dental Pulp Stem Cells, Chung-Hsing Li, Shih-Yu Lee, Shang-Wen Chiu, I-Hsun Li, Wei-Cheng Tsai
Journal of Dental Sciences
Abstract Background/purpose 3,4-methylenedioxymethamphetamine (MDMA) is a synthetic substituted amphetamine. Research primarily focuses on its neurotoxicity and psychological effects, while studies examining its impact on mesenchymal stem cells (MSCs) and dental pulp stem cells (DPSCs) are relatively limited. This study investigated the cytotoxicity and molecular mechanisms of MDMA in DPSCs. Materials and methods Cell viability, apoptosis, autophagy, immunophenotype, reactive oxygen species (ROS), and the related signaling pathways were analyzed using a cell counting kit, Western blot, flow cytometry, and 2′,7′-dichlorofluorescein diacetate (DCFH-DA) dye after treating DPSCs with indicated concentrations of MDMA. Results MDMA significantly decreased cell viability and increased cleaved poly …
Investigating The Relation Among The Needle Insertion Plane, Occlusal Plane, Mandibular Foramen, And Mandibular Lingula For Inferior Alveolar Nerve Block, Han-Sheng Chen, Kun-Jung Hsu, Pei-Jung Chen, Hui-Na Lee, Jen Hao Chen, Chun-Ming Chen
Investigating The Relation Among The Needle Insertion Plane, Occlusal Plane, Mandibular Foramen, And Mandibular Lingula For Inferior Alveolar Nerve Block, Han-Sheng Chen, Kun-Jung Hsu, Pei-Jung Chen, Hui-Na Lee, Jen Hao Chen, Chun-Ming Chen
Journal of Dental Sciences
Abstract Background/purpose The success rates and incidence of positive blood aspiration during inferior alveolar nerve blocks (IANB) vary. Understanding the relative positions of the mandibular foramen (MF), mandibular lingula (ML), and occlusal plane (OP) is crucial for the effectiveness and safety of IANB. This study evaluates the relationship among needle insertion levels, ML, and OP for IANB. Materials and methods Cone-beam computed tomography images of 90 participants were analyzed to measure ML and MF distances relative to OP. Participants were categorized into skeletal classes (I, II, and III). The distances from ML to the anesthetic needle positioned 5, 6, 7, …
Effects Of Various Aging Modes On The Optical Properties Of Zirconia With Different Yttria Concentrations In Coffee And Tea, Wei-Chun Lin, Chih-Wei Tseng, Chenmin Yao, Liang-Yu Wei, Pei-Wen Peng
Effects Of Various Aging Modes On The Optical Properties Of Zirconia With Different Yttria Concentrations In Coffee And Tea, Wei-Chun Lin, Chih-Wei Tseng, Chenmin Yao, Liang-Yu Wei, Pei-Wen Peng
Journal of Dental Sciences
Abstract Background/purpose The esthetic performance of dental zirconia may be affected by both material composition and environmental exposure. This study aimed to evaluate how different aging conditions-hydrothermal aging and thermal cycling-influenced the optical properties of dental zirconia containing varying yttria concentrations (3Y-TZP, 4Y-TZP, and 5Y-TZP) in coffee and tea. Materials and methods A total of 120 zirconia specimens were prepared using three yttria concentrations. Each group was subjected to four artificial aging conditions: storage in coffee or tea at 37 °C for 1 and 6 months (hydrothermal aging), or 10,000 and 50,000 cycles of thermal cycling between 5 °C and …