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Palatal rugae change shape following orthodontic treatment: a comparison between extraction and non-extraction borderline cases using fractal analysis and 3D superimposition.
Eur J Orthod
December 2024
Department of Orthodontics, School of Dentistry, National and Kapodistrian University of Athens, 2 Thivon str., Athens 11527, Greece.
Article Synopsis
- This study focuses on the changes in palatal rugae (the ridges on the hard palate) following orthodontic treatment, investigating whether their shape, complexity, and area are affected by treatment with or without tooth extractions.
- Researchers analyzed pre- and post-treatment plaster models from a sample of 61 cases, using advanced software to measure changes in the outlines, fractal dimensions (complexity), and area occupied by the rugae.
- Results showed significant differences in the distance between pre- and post-treatment outlines for extraction versus non-extraction groups, but no significant changes in the complexity of the rugae before and after treatment.
Inequalities in oral health: estimating the longitudinal economic burden of dental caries by deprivation status in six countries.
BMC Public Health
November 2024
Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, UK.
Background: The recent World Health Organization (WHO) resolution on oral health urges pivoting to a preventive approach and integration of oral health into the non-communicable diseases agenda. This study aimed to: 1) explore the healthcare costs of managing dental caries between the ages of 12 and 65 years across socioeconomic groups in six countries (Brazil, France, Germany, Indonesia, Italy, UK), and 2) estimate the potential reduction in direct costs from non-targeted and targeted oral health-promoting interventions.
Methods: A cohort simulation model was developed to estimate the direct costs of dental caries over time for different socioeconomic groups.
The Role of Digital Facebow for CAD/CAM Implant-Supported Crowns Workflow.
Acta Medica (Hradec Kralove)
September 2024
Department of Dentistry, Faculty of Medicine in Hradec Králové, Charles University, Czech Republic.
Article Synopsis
- Recent digital technology advancements in dentistry have improved clinical workflows, particularly in creating custom-made crowns and fixed partial dentures (FPDs) using virtual articulation and digital facebows for personalized CAD settings.
- A case report involving a 68-year-old patient needing a replacement for missing teeth led to the initial plan of an implant-supported FPD using zirconia (ZrO2), but complications due to spatial constraints shifted the focus to porcelain fused to metal (PFM).
- The study found that individually crafted PFM FPDs needed fewer adjustments compared to milled ZrO2 restorations, benefiting from reduced working time and fewer intraoral modifications thanks to data from the digital facebow.
Exploring the complex relationships between health behaviors, health outcomes, social vulnerability, regional cultures, and oral health.
Curr Probl Cardiol
December 2024
Healthy Living for Pandemic Event Protection (HL - PIVOT) Network, Chicago, IL 60607, USA; Department of Physical Therapy, College of Applied Science, University of Illinois, Chicago, IL 60607, USA. Electronic address:
Article Synopsis
- - The study investigates how general health, social factors, and behaviors at the county level affect oral health indicators, examining differences across various regional cultures in the U.S. based on the American Nations model.
- - Researchers created a Lifestyle Health Index (LHI) from new data sources and found strong correlations between LHI, social vulnerability, and dental health measures, revealing significant disparities in dental visits and tooth loss across different cultural regions.
- - The findings suggest that oral health is influenced by lifestyle, social conditions, and cultural beliefs, emphasizing the need for tailored health communications and policies that take regional cultural differences into account to enhance dental care and outcomes.
Intraoral Ultrasound Imaging Using a Rotational Transducer with Periodontal Feature Identification by Machine Learning.
ACS Sens
August 2024
Department of Biomedical Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2 V2.
Innovative intraoral ultrasound devices with smart artificial intelligence-based identification for dento-anatomy could provide crucial information for oral health diagnosis and treatment and shed light on real-time detection of developmental dentistry. However, the grand challenge is that the current ultrasound technologies are meant for external use due to their bulkiness and low frequency. We report a compact versatile ultrasound intraoral device that consists of a rotational probe head robustly pivoted around a hand-held and portable handle for real-time imaging of intraoral anatomy using high-frequency ultrasonography (up to 25 MHz).
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