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Digital impression (intraoral scanners) and factors affecting its accuracy - an insight into knowledge and awareness amongst graduates, and clinical practitioners.
BMC Oral Health
October 2024
Interns College of Dentistry, King Khalid University, Abha, 62529, Saudi Arabia.
Background: This study aimed to evaluate the knowledge, awareness, and practice of intraoral scanners (IOS) and the factors affecting their accuracy amongst dental interns and practitioners.
Methods: This was an observational cross-sectional study in which data was collected from a representative population in Saudi Arabia, with the help of online questionnaires. The forms were distributed to 500 dental interns and practitioners and the questionnaire's validity and reliability were evaluated for vetting and remarks.
Evaluation of patient-specific quality assurance for fractionated stereotactic treatment plans with 6 and 10MV photon beams in beam-matched linacs.
Radiol Phys Technol
December 2024
Department of Radiation Physics, Kidwai Memorial Institute of Oncology, Bengaluru, India.
Article Synopsis
- This study focuses on validating beam data from three beam-matched linear accelerators (LAs) for accurate radiation delivery in fractionated stereotactic treatment, comparing measured data to vendor reference data.
- Measurements included percentage depth dose, beam profiles, output factors, and dynamic multi-leaf collimator factors for different photon types, achieving high accuracy with gamma analysis above 97%.
- Quality assurance for eighty patient-specific plans showed median passing rates of over 76% to 98% across various gamma criteria, indicating compatibility of treatment across the beam-matched LAs without the need for re-planning.
Pediatric distal both-bone forearm fractures treated with percutaneous pinning with or without ulna fixation: a retrospective cohort study from two centres.
BMC Musculoskelet Disord
August 2024
Department of Orthopaedics, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, 56 Nanlishi Road, Xicheng District, Beijing, China.
Article Synopsis
- The study compared treatment outcomes for children with distal both-bone forearm fractures, focusing on whether fixing just the radius or both the radius and ulna was more effective.
- Analysis involved 71 patients, measuring factors like operation duration, reduction loss, and wrist function scores after treatment.
- Results showed that fixing only the radius resulted in similar clinical outcomes and wrist function compared to fixing both bones, suggesting it could be an effective treatment option.
Item-validity analysis of the SED-S in a multicentre study of adults with intellectual disabilities.
J Appl Res Intellect Disabil
September 2024
Medical School and University Medical Center OWL, Mara Hospital, University Clinic for People with Neurodevelopmental Disorders, Bielefeld University, Bielefeld, Germany.
Background: Valid and reliable instruments for measuring emotional development are critical for a proper diagnostic assignment in individuals with intellectual disabilities. This exploratory study examined the psychometric properties of the items on the Scale of Emotional Development-Short (SED-S).
Method: The sample included 612 adults with intellectual disabilities (M = 37.
Droplet-based microfluidics for engineering shape-controlled hydrogels with stiffness gradient.
Biofabrication
August 2024
Light Activated Biomaterials (LAB) Group, University of Otago, Christchurch 8011, New Zealand.
Article Synopsis
- Current biofabrication methods struggle to mimic the complex relationships between the shapes and functions of engineered tissues due to limitations in hydrogels used.
- This study introduces a new microfluidics platform that allows for precise control over the structure and composition of hydrogels through a two-step process, enabling the creation of unique shapes, sizes, and stiffness patterns.
- The platform successfully encapsulates stem cells and demonstrates how variations in stiffness can influence cell behavior, with potential implications for breast cancer metastasis based on stiffness gradients.
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