Publications by authors named "Tsung-Chieh Yang"

An implant-supported overdenture is a cost-effective option that enhances both appearance and function. Advances in computer-aided design and computer-aided manufacturing (CAD-CAM) technology have simplified the procedures for denture fabrication, reducing time and costs while increasing patient satisfaction. However, fractures in overdentures are often caused by misalignment of the occlusal registration, excessive force, material wear, and insufficient space between the denture base and the attachment.

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  • - The study investigates the best nutritional administration routes for patients with acute pancreatitis (AP) due to conflicting mortality results in previous research, aiming to clarify which method is most effective.
  • - After analyzing 30 randomized controlled trials, results showed that nasogastric (NG) and nasojejunal (NJ) feeding significantly reduced mortality compared to not eating or total parenteral nutrition, with NJ feeding particularly beneficial when started within the first 48 hours.
  • - The findings suggest that NJ feeding should be initiated early for patients with severe AP, while NG feeding is not recommended within the initial 24 hours, providing critical guidance for nutritional care in these scenarios.
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Objectives: This retrospective study aimed to investigate the differences in tooth loss rate between fixed implant-supported prostheses (FISPs) and removable partial dentures (RPDs) in cases of unilateral free-end missing teeth.

Materials And Methods: The data of 324 patients who underwent treatment with FISPs or RPDs for unilateral free-end missing teeth and satisfied the applicable criteria, were evaluated (47 in the FISPs group and 277 in the RPDs group). After propensity score (PS) matching, which was used to extract patients with similar background factors related to prosthetic selection at baseline, survival time analyses were performed with tooth loss as the endpoint.

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Introduction: Mac-2-binding protein glycosylation isomer (M2BPGi) is a novel biomarker for liver fibrosis, but little is known about its role in cirrhosis-associated clinical outcomes. This study aimed to investigate the predictive role of M2BPGi in cirrhosis-associated complications.

Methods: One hundred and forty-nine cirrhotic patients were retrospectively enrolled.

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  • A study was done to see if a treatment called endoscopic variceal ligation (EVL) or a medicine called propranolol (PPL) is better at stopping bleeding in patients with liver cancer and certain blood vessel problems.
  • 144 patients were split into two groups, one getting EVL and the other PPL, and doctors followed them for many years.
  • Results showed that patients who had EVL bled less compared to those who took PPL, especially those with earlier stages of liver cancer, but they had similar death rates.
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Introduction: Endoscopic variceal ligation (EVL) plus nonselective β-blockers (NSBB) is the standard of care for secondary prophylaxis of esophageal variceal bleeding (EVB). This trial aimed to compare the rebleeding rates between EVL plus NSBB till eradication of esophageal varices (EEV) and EVL plus long-term NSBB.

Methods: After control of acute EVB, patients with cirrhosis were randomized into 2 groups, with group A patients receiving EVL plus propranolol till EEV, while group B patients received standard of care with continuation of propranolol.

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Background & Aims: During the COVID-19 pandemic, most of the endoscopic services were electively postponed or suspended. We aimed to assess the safety of a triage policy in patients receiving esophageal variceal ligation during the COVID-19 pandemic.

Methods: Triage policy of endoscopic variceal ligation (EVL) was implemented in our hospital during the lockdown period from 15th May 2021 to 26th July 2021.

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Purpose: To evaluate the effect of immersion in water on deformation of maxillary denture bases created with CAD/CAM and heat-polymerized resin fabrication techniques under loading condi8ons.

Materials And Methods: 2-mm-thick denture bases were fabricated using four techniques: CAD/CAM milling (CCM; Polywax PMMA blank, Yamachi PMMA disk Yamahachi Dental); 3D prin8ng (3DP; BV005, NextDent Base); compression molding (CM; Luciton 199, Dentsply Sirona); and injec8on molding (IM; Ivobase, Ivoclar; n = 5 per group). Three static 49-N loads were applied perpendicular to each denture base, and the mean strain value (MSV) was recorded with strain gauges a[ached to the denture surface.

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Background: Peristomal wound infection is a common complication in patients receiving percutaneous endoscopic gastrostomy (PEG). The main reason for peristomal infection might be the oral microbes coating the gastrostomy tube during implantation. Povidone-iodine solution can be applied for skin and oral decontamination.

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Background & Aims: Sarcopenia and gut dysbiosis are common in individuals with cirrhosis. However, the association between sarcopenia and microbial alterations, and the subsequent impact on cirrhotic outcomes are poorly understood. This study aimed to identify muscle-dependent microbial changes and related risks of cirrhotic complications.

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Background: Endoscopic retrograde cholangiopancreatography (ERCP) is a widely performed procedure. However, the risk of variceal bleeding during ERCP has rarely been assessed. This study aims to evaluate the risk of variceal bleeding in patients with esophageal varices (EV) undergoing ERCP.

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Hyoscine-N-butylbromide (HBB) is the most used antiperistaltic agent during esophagogastroduodenoscopy (EGD). However, almost half of the elderly have a contraindication to HBB. We aimed to evaluate L-menthol's antiperistaltic effect and safety for EGD in the elderly with contraindication to HBB.

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Article Synopsis
  • The study focuses on the differences in clinical outcomes for hepatocellular carcinoma (HCC) patients with esophageal varices (EV), specifically comparing those with cirrhosis to those without cirrhosis.
  • It analyzed data from 111 HCC patients who underwent surgical resection between 2003 and 2019, using criteria to diagnose cirrhosis and evaluating various prognostic factors.
  • Results showed that while cirrhotic patients had a higher risk for post-surgery complications, there was no significant difference in overall survival or recurrence rates between cirrhotic and noncirrhotic patients.
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Background: Few studies have examined the mental profiles and academic status of collegiate triathletes during training/competitive periods. We evaluated the changes in sleep quality, physical fatigue, emotional state, and academic stress among collegiate triathletes across training periods. Methods: Thirteen collegiate triathletes (19−26 years old) were recruited in this study.

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Background/purpose: While scan delay may affect the measurements of an occlusal pressure-sensitive film, Dental Prescale II (DPS2), the duration of scan delay was rarely reported in previous studies. This study aimed to clarify the effect of scan delay on DPS2 measurements.

Materials And Methods: Two experiments were performed to clarify the effect of 0- to 10-min scan delay after DPS2 force registration.

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Purpose: To develop a novel resin for provisional prostheses using hyperbranched polyurethane acrylate (HBPUA) and triethylene glycol dimethacrylate (TEGDMA) with promising mechanical properties and low volumetric shrinkage.

Methods: Four groups including TIH3-0 (100 wt% TEGDMA), TIH3-30 (30 wt% HBPUA + 70 wt% TEGDMA), TIH3-60 (60 wt% HBPUA + 40 wt% TEGDMA), and TB-60 (60 wt% bisphenol A-glycidyl dimethacrylate + 40 wt% TEGDMA) were prepared and commercial Luxatemp (DMG) was used for comparison. Fourier transform infrared spectroscopy and gel permeation chromatography were used for material characterization.

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Background: The prevalence of esophagogastric varices (EGV) in patients with advanced pancreatic cancer is not rare. However, its clinical significance has never been investigated. This study was aimed to explore the clinical implication and outcomes of these patients.

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Statement Of Problem: Information on the dimensional changes in maxillary and mandibular dentures made by using computer-aided design and computer-aided manufacturing (CAD-CAM) techniques under uniform testing conditions is lacking.

Purpose: The purpose of this in vitro study was to evaluate the dimensional changes and reproducibility of maxillary and mandibular dentures by using CAD-CAM-milled and 3D-printed techniques.

Material And Methods: Maxillary and mandibular edentulous models with wax occlusal rims were scanned, and dentures were designed by using a CAD software program and fabricated by using 2 techniques and materials: CAD-CAM-milled (CCM) and 3D-printed (3DP).

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Background And Aim: It is not clear whether prophylactic clipping after endoscopic mucosal resection (EMR) of large nonpedunculated colorectal lesions (LNPCLs) prevents delayed bleeding (DB). We aimed to conduct a meta-analysis to clarify the efficacy of prophylactic clipping in prevention of DB following EMR of LNPCLs.

Methods: We searched PubMed, EMBASE, Web of Science, ScienceDirect, Cochrane Library databases, and ClinicalTrials.

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Magnetic attachment system is used to embed in polymethyl methacrylate (PMMA) resin denture base to improve denture stability. However, dislodgement of magnetic attachments from denture base is a major clinical problem. This study is to evaluate the bond strength between PMMA and stainless steel using metal primer and atmospheric pressure plasma jet (APPJ) treatment.

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Background: The indocyanine green 15-minute retention (ICG-r15) test was considered as a noninvasive marker of esophageal varices (EV) in cirrhotic patients. However, the performance of ICG-r15 in patients with hepatocellular carcinoma (HCC) has rarely been assessed. The aim of this study is to evaluate the value of ICG-r15 as a noninvasive marker of EV in patients with HCC.

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Statement Of Problem: Information about the accuracy of maxillary and mandibular denture bases made with different fabrication techniques under uniform test conditions is lacking.

Purpose: The purpose of this in vitro study was to evaluate the denture base adaptation of computer-aided design and computer-aided manufactured (CAD-CAM) milled, 3D printed, and conventional heat-polymerized resin fabrication techniques.

Material And Methods: Maxillary and mandibular edentulous models fabricated from cobalt-chromium alloy were scanned, and 2-mm-thick denture bases were designed and fabricated by using 4 fabrication techniques and materials: CAD-CAM milled (CCM), 3D printed (3DP), injection molded (IM), and compression molded (CM).

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Objective: Gastric antral vascular ectasia (GAVE) and portal hypertensive gastropathy (PHG) can cause gastrointestinal bleeding in cirrhotic patients. Distinguishing diffuse-type GAVE and severe PHG is important but difficult by conventional endoscopy and endoscopic biopsy. The aim of this study is to evaluate the value of magnifying endoscopy with narrow-band image for diagnosing diffuse-type GAVE in cirrhotic patients.

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