keyword
https://read.qxmd.com/read/38449496/sample-size-determination-for-conducting-a-pilot-study-to-assess-reliability-of-a-questionnaire
#21
REVIEW
Mohamad Adam Bujang, Evi Diana Omar, Diana Hui Ping Foo, Yoon Khee Hon
This article is a narrative review that discusses the recommended sample size requirements to design a pilot study to assess the reliability of a questionnaire. A list of various sample size tables that are based on the kappa agreement test, intra-class correlation test and Cronbach's alpha test has been compiled together. For all calculations, type I error (alpha) was set at a maximum value of 0.05, and power was set at a minimum value of 80.0%. For the kappa agreement test, intra-class correlation test, and Cronbach's alpha test, the recommended minimum sample size requirement based on the ideal effect sizes shall be at least 15, 22, and 24 subjects respectively...
February 2024: Restorative Dentistry & Endodontics
https://read.qxmd.com/read/38449035/adverse-events-in-pediatric-dental-practice-survey-of-pediatric-dentists-in-the-united-states
#22
JOURNAL ARTICLE
William Nicola, Aviv Ouanounou, S M Hashim Nainar
Purpose: To survey pediatric dentists in the United States regarding adverse events during dental care for children. Methods: A self-administered, anonymous online survey was sent to American Academy of Pediatric Dentistry members (N equals 6,327) using REDCap® software (between October and December 2019). The questionnaire (all items with radio-button numerical categories) included five items surveying pediatric adverse event occurrence and seven demographic items. Annualized occurrences of adverse events in US pediatric dental practices were extrapolated from the data collected...
January 15, 2024: Pediatric Dentistry
https://read.qxmd.com/read/38448892/development-and-validation-of-self-assessment-instrument-to-measure-the-digital-professionalism-of-healthcare-professionals-using-social-media
#23
JOURNAL ARTICLE
Shazia Imran, Rahila Yasmeen, Memoona Mansoor
BACKGROUND: The use of social media across the globe has risen incrementally. During the COVID-19 pandemic, these sites undeniably provided new avenues for professional networking but also led to a surge in cases of online misconduct. Professionalism instruments and scales do not assess the digital attitude and behaviour of healthcare professionals (HCPs). The purpose of this study was to identify the domains and items of digital professionalism related to social media use and to validate a self-assessment instrument to assess the digital professionalism of HCPs using social media...
March 6, 2024: BMC Medical Education
https://read.qxmd.com/read/38443611/investigating-the-technical-quality-of-undergraduate-endodontic-treatment-in-a-primary-care-based-dental-school
#24
JOURNAL ARTICLE
Araz Ahmed, Federico Foschi, Henry F Duncan, Ewen McColl
Introduction The success of root canal treatment (RCTx) relies on the technical quality of the root canal filling, often assessed through radiographic evaluation.Aims This audit aims to evaluate the technical proficiency of Peninsula Dental School (PDS) undergraduate dental students in RCTx, comparing it with established European standards.Design Conducted as a retrospective study, this evaluation focuses on assessing the technical quality of RCTx performed by undergraduate dental students at PDS across various academic years...
March 5, 2024: British Dental Journal
https://read.qxmd.com/read/38440454/comparative-evaluation-of-different-alveolar-ridge-width-measurement-techniques-in-dental-implant-treatment-planning-an-in-vivo-observational-non-interventional-study
#25
JOURNAL ARTICLE
Vivek Sunil Nair, Nishita Bhosale, Vikrant Sane, Rajesh Kshirsagar, Samir Joshi, Rucha Davalbhakta
In todays era dental implant has become the dependable therapeutic treatment for the replacement of missing teeth. The success of dental implants depends not only on osteointegration of the implant but also on the surrounding hard and soft tissue. Presurgical evaluation of alveolar ridge width and height is of paramount important for implant placement. There are several methods to evaluate the alveolar ridge width and height such as ridge mapping and CBCT. This study included 30 sites from 8 patients in the age ranging from 30 to 65 years...
February 2024: Indian Journal of Otolaryngology and Head and Neck Surgery
https://read.qxmd.com/read/38439611/dental-ceramic-damage-associated-with-incorrect-laboratory-procedures
#26
REVIEW
Magdalena Szawioła-Kirejczyk, Karolina Chmura, Wojciech Ryniewicz
Ceramic is a commonly used material in dentistry for reconstructing missing teeth or their tissues due to its biocompatibility, durability and excellent esthetic properties. Despite these advantages, the ceramic restoration damage remains a significant clinical problem. Its causes can be divided into clinical and laboratory factors. The most known include uneven occlusion, improper preparation, trauma, or parafunctions. This study focuses on characterizing less known laboratory causes of ceramic restoration damage...
March 1, 2024: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://read.qxmd.com/read/38429951/accuracy-of-linear-measurements-for-implant-planning-based-on-low-dose-cone-beam-ct-protocols-a-systematic-review-and-meta-analysisaccuracy-of-low-dose-cbct-a-systematic-review-and-meta-analysis
#27
JOURNAL ARTICLE
Ana Luiza E Carneiro, Isabella N R Reis, Fernando Valentim Bitencourt, Daniela M R A Salgado, Claudio Costa, Rubens Spin-Neto
OBJECTIVES: The aim of this systematic review was to verify the accuracy of linear measurements performed on low-dose CBCT protocols for implant planning, in comparison with those performed on standard and high-resolution CBCT protocols. METHODS: The literature search included four databases (Pubmed, Web of Science, Embase, and Scopus). Two reviewers independently screened titles/abstracts and full texts according to eligibility criteria, extracted the data, and examined the methodological quality...
March 1, 2024: Dento Maxillo Facial Radiology
https://read.qxmd.com/read/38429260/a-rapid-identification-method-for-soft-tissue-markers-of-dentofacial-deformities-based-on-heatmap-regression
#28
JOURNAL ARTICLE
Guilong Zhou, Yu Zhang, Jinlong Zhao, Lei Tian, Guang Jia, Qin Ma
OBJECTIVE: The purpose of this study was to construct a facial deformity dataset and a network model based on heatmap regression for the recognition of facial soft tissue landmarks to provide a basis for clinicians to perform cephalometric analysis of soft tissue. MATERIALS AND METHODS: A 34-point face marker detection model, the Back High-Resolution Network (BHR-Net), was constructed based on the heatmap regression algorithm, and a custom dataset of 1780 facial detection images for orthognathic surgery was collected...
March 1, 2024: BDJ Open
https://read.qxmd.com/read/38426831/influence-of-the-scanning-path-on-the-accuracy-of-intraoral-scanners-in-the-implanted-edentulous-patient-an-in-vitro-study
#29
JOURNAL ARTICLE
Nathalie Robert, Eric Bechet, Adelin Albert, Marc Lamy
AIM: The aim of this in vitro study was to investigate the influence of scan paths on the accuracy (trueness and precision) of intra-oral scanning of an implant impression on an edentulous patient. MATERIAL AND METHODS: An epoxy resin maxillary model was made with 6 bone level implants (NobelParallel Conical Connection RP, NobelBiocare®). The implants were placed at the spot of the first incisor, the canine and the first molar. The trans gingival component (Multi-unit, NobelBiocare®) was screwed onto the implants...
March 1, 2024: International Journal of Computerized Dentistry
https://read.qxmd.com/read/38412021/measuring-e-professional-behavior-of-doctors-of-medicine-and-dental-medicine-on-social-networking-sites-indexes-construction-with-formative-indicators
#30
JOURNAL ARTICLE
Marko Marelić, Ksenija Klasnić, Tea Vukušić Rukavina
BACKGROUND: Previous studies have predominantly measured e-professionalism through perceptions or attitudes, yet there exists no validated measure specifically targeting the actual behaviors of health care professionals (HCPs) in this realm. This study addresses this gap by constructing a normative framework, drawing from 3 primary sources to define e-professional behavior across 6 domains. Four domains pertain to the dangers of social networking sites (SNSs), encompassing confidentiality, privacy, patient interaction, and equitable resource allocation...
February 27, 2024: JMIR Medical Education
https://read.qxmd.com/read/38411719/influence-of-the-design-of-3d-printed-indirect-bonding-trays-and-experience-of-the-clinician-on-the-accuracy-of-bracket-placement
#31
JOURNAL ARTICLE
Hisham Sabbagh, Lea Hoffmann, Andrea Wichelhaus, Andreas Kessler
PURPOSE: The aim was to investigate the influence of three different three-dimensional (3D)-printed bonding tray designs and professional experience on accuracy of indirect bracket placement. METHODS: Virtual bracket placement was performed on a scanned dental model using OnyxCeph software (Image Instruments, Chemnitz, Germany). Three different designs for indirect bonding trays (open, semi-open, and closed design) were created and produced using a 3D printer...
February 27, 2024: Journal of Orofacial Orthopedics
https://read.qxmd.com/read/38408132/evaluation-on-surface-characteristics-accuracy-and-dimensional-stability-of-tooth-preparation-dies-fabricated-by-conventional-gypsum-and-3d-printed-workflows
#32
JOURNAL ARTICLE
Xue-Lu Tong, Chao-Yi Ma, Na Yu, Hou-Qi Zhou, Fa-Bing Tan
PURPOSE: To evaluate the surface characteristics, accuracy (trueness and precision), and dimensional stability of tooth preparation dies fabricated using conventional gypsum and direct light processing (DLP), stereolithography (SLA), and polymer jetting printing (PJP) techniques. MATERIALS AND METHODS: Gypsum preparation dies were replicated according to the reference data and imported into DLP, SLA, and PJP printers, and the test data were obtained by scanning after 0, 1, 3, 7, 14, 28, and 42 days...
February 26, 2024: International Journal of Prosthodontics
https://read.qxmd.com/read/38406093/image-quality-assessment-of-digital-radiographs-captured-by-hand-held-devices-versus-wall-mounted-devices-a-retrospective-comparative-study
#33
JOURNAL ARTICLE
Turaga Amani, Mouttoukichenin Surenthar, Umamaheswari Tn, Roland Prethipa, Lokesh Kumar S
Background In diagnostic radiology, the image quality of radiographs is paramount for impeccable diagnosis as it is essential for efficient treatment planning and patient care. In comparison to their well-established wall-mounted equivalents, the growing use of handheld devices raises concerns regarding their diagnostic effectiveness by questioning their image quality. Hence, to fully comprehend the clinical importance of handheld X-ray equipment, it is important to look into their image quality for better diagnostic performance...
January 2024: Curēus
https://read.qxmd.com/read/38405428/effects-of-modern-aesthetic-dental-fillings-on-proton-therapy
#34
JOURNAL ARTICLE
Yun Ming Wong, Calvin Wei Yang Koh, Kah Seng Lew, Clifford Ghee Ann Chua, Ping Lin Yeap, Wibawa Andrew, Master Zubin, Sharon Shuxian Poh, Wen Siang Lew, James Cheow Lei Lee, Sung Yong Park, Hong Qi Tan
BACKGROUND AND PURPOSE: High-density dental fillings pose a non-negligible impact on head and neck cancer treatment. For proton therapy, stopping power ratio (SPR) prediction will be significantly impaired by the associated image artifacts. Dose perturbation is also inevitable, compromising the treatment plan quality. While plenty of work has been done on metal or amalgam fillings, none has touched on composite resin (CR) and glass ionomer cement (GIC) which have seen an increasing usage...
January 2024: Physics and Imaging in Radiation Oncology
https://read.qxmd.com/read/38404155/effect-of-prefabricated-immediate-interim-prosthesis-design-and-insertion-workflow-on-seating-accuracy-on-implants-placed-via-static-computer-assisted-implant-surgery-a-cross-sectional-in-vitro-study
#35
JOURNAL ARTICLE
Jaafar Abduo, Douglas Lau
BACKGROUND: Immediate implant restoration by prefabricated prosthesis has multiple benefits. However, the design and insertion workflow of the prosthesis may influence the seating. PURPOSE: Evaluation of seating accuracy of prefabricated interim prosthesis of different designs and insertion workflows for immediate restoration of implants placed via static computer-assisted implant surgery (sCAIS). MATERIALS AND METHODS: A maxillary model without incisors was used to plan for two implants at the lateral incisor locations...
February 25, 2024: Clinical Implant Dentistry and related Research
https://read.qxmd.com/read/38399159/the-comparison-of-the-multi-layer-artificial-neural-network-training-methods-in-terms-of-the-predictive-quality-of-the-coefficient-of-friction-of-1-0338-dc04-steel-sheet
#36
JOURNAL ARTICLE
Tomasz Trzepieciński
Friction is one of the main phenomena accompanying sheet metal forming methods, affecting the surface quality of products and the formability of the sheet metal. The most basic and cheapest way to reduce friction is to use lubricants, which should ensure the highest lubrication efficiency and at the same time be environmentally friendly. Due to the trend towards sustainable production, vegetable oils have been used in research as an alternative to petroleum-based lubricants. The analysis of friction in sheet metal forming requires an appropriate tribotester simulating the friction conditions in a specific area of the sheet metal being formed...
February 16, 2024: Materials
https://read.qxmd.com/read/38399129/method-for-calculating-the-bending-stiffness-of-honeycomb-paperboard
#37
JOURNAL ARTICLE
Gabriela Kmita-Fudalej, Zbigniew Kołakowski, Włodzimierz Szewczyk
The article presents continued considerations presented in a prior publication on the development of a model for calculating the bending stiffness BS of cellular honeycomb paperboards, applying the strength properties of paper raw materials used for the production of paperboard and the geometric parameters of cellular board. The results of BS calculations obtained by using the analytical model presented in the prior publication were significantly overestimated in relation to the value obtained by measurements...
February 14, 2024: Materials
https://read.qxmd.com/read/38399085/influence-of-unit-water-content-control-on-concrete-performance-in-the-ready-mixed-concrete-production-process
#38
JOURNAL ARTICLE
Sang-Hoon Park, Hwa-Sung Ryu, Won-Jun Park
This study examined the effects of increasing concrete unit water content and artificially controlling water content on concrete performance in the production process of ready-mixed concrete. Results showed that changes in the unit water content of 20 concrete mix proportions without air-entraining significantly reduced concrete compressive strength, increased porosity, and in-creased occurrence of bleeding. A unit water content increase of 25 kg/m3 or more may reduce the compressive strength of concrete below the design standard and significantly affect the occurrence of bleeding water...
February 9, 2024: Materials
https://read.qxmd.com/read/38399031/evaluation-method-of-fatigue-life-for-asphalt-pavement-on-the-steel-bridge-deck-based-on-the-inhomogeneous-poisson-stochastic-process
#39
JOURNAL ARTICLE
Xunqian Xu, Guozhi Wan, Fengyi Kang, Shue Li, Wei Huang, Yu Li, Qi Li, Chen Lv
The paving layer on the steel box girder bridge deck is widely used when constructing pavements for steel bridges. Owing to the orthotropic feature of steel decks, a transverse clapboard and rib can lead to a concentration of stress. Consequently, fatigue cracks are often identified in asphalt concrete pavement layers due to re-compaction caused by heavy vehicles. This study aims to derive an evaluation method of fatigue life for asphalt pavement based on the inhomogeneous Poisson stochastic process in view of the highly random and uncertain working conditions of layered composite structures...
February 6, 2024: Materials
https://read.qxmd.com/read/38392233/comparative-analysis-of-endodontic-0-15-stainless-steel-k-files-exploring-design-composition-and-mechanical-performance
#40
JOURNAL ARTICLE
Abayomi Omokeji Baruwa, Filipa Chasqueira, Sofia Arantes-Oliveira, João Caramês, Duarte Marques, Jaime Portugal, Jorge N R Martins
To establish a glide path, smaller files (up to size 0.15) with tapers of 2% are commonly used as pathfinding files. They pre-shape the root canal space before transitioning to larger taper endodontic instruments, aiming to prevent procedural errors. This study aimed to compare the design, metal wire composition, and mechanical characteristics of seven different ISO size 15 stainless-steel hand files (K-File and C-File+). Ninety-one new stainless-steel ISO 15 K-files were mechanically tested. All files were inspected for deformations before the assessment...
January 31, 2024: Dentistry Journal
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