Teeth are one of the most important factors in the identification of unknown cadavers. One of the most efficient methods the police have of publicizing a case is to publish the victim's dental x-rays of treatment records in the dental print media which dentists will often recognize and thus be able to contribute to the identification. To evaluate the efficiency of this procedure, 177 cases published between 1975 and 1995 were reviewed. The results show that only 3% of the cases were identified from recognition in the dental print media. A survey of 500 dentists was carried out to gauge the efficacy of the presentation of identification cases in their dental print media. According to these results a revised method of presentation needs to be developed to improve the efficiency of this odontoforensic publicity medium. New technologies could also open new avenues for forensic identification such as digital x-raying or online data transfer. The Internet itself could be useful regarding international cooperation of forensic odontologists in the identification of unknown corpses.
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Polymers (Basel)
January 2025
Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA.
Background: Polymethyl methacrylate (PMMA) is ideal for denture bases but is prone to biofilm accumulation, leading to denture stomatitis (DS), often involving . Dimethylaminohexadecyl methacrylate (DMAHDM) and 2-methacryloyloxyethyl phosphorylcholine (MPC) are introduced into dental materials for their antimicrobial and protein-repellent properties. This study investigates the effects of incorporating dimethylaminohexadecyl methacrylate (DMAHDM) and 2-methacryloyloxyethyl phosphorylcholine (MPC) into heat-polymerized (HP) and 3D-printed (3DP) denture base resins on microbial adhesion and cytotoxicity.
View Article and Find Full Text PDFMedicina (Kaunas)
December 2024
Department of Dental Medicine and Nursing, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania.
This review explores the recent advancements and ongoing challenges in regenerating alveolar bone, which is essential for dental implants and periodontal health. It examines traditional techniques like guided bone regeneration and bone grafting, alongside newer methods such as stem cell therapy, gene therapy, and 3D bioprinting. Each approach is considered for its strengths in supporting bone growth and integration, especially in cases where complex bone defects make regeneration difficult.
View Article and Find Full Text PDFBiomedicines
December 2024
DMG Dental-Material Gesellschaft mbH, 22547 Hamburg, Germany.
: Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide (TPO) is widely used in the dental industry as a photoinitiator for resin-based materials, while its use may be further limited given its toxicological risks. The aim of this study was, therefore, to analyze the residual TPO content of 3D-printed resin-based dental splint materials. : Six resin-based splint materials were analyzed: LuxaPrint Ortho Plus (DMG), FREEPRINT splint 2.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Clinic of Masticatory Disorders and Dental Biomaterials, Center for Dental Medicine, University of Zurich, Zurich, Switzerland.
Purpose: The aim of this study was to compare the wear and fracture resistance of single crowns produced from newly developed 3D printer resins used to produce permanent crowns and currently used composite CAD/CAM discs, after being thermomechanically aged in a chewing simulator.
Materials And Methods: A total of 112 stainless steel die models simulating mandibular left first molars were produced, 8 for each group. Single crowns were produced from 3 different discs (Grandio Voco [GR], breCAM HIPC [HC], and Shofu HC [SF]) by CAD/CAM milling method and manufactured from from 4 different permanent composite resins (Nexdent C&B MFH [ND], Permanent Bridge Saremco [PB], VarseoSmile Crownplus [VSC], and Şenertek P-Crown [PC]) using the 3D printing method.
J World Fed Orthod
January 2025
Department of Orthodontics and Dentofacial Orthopaedics, Manav Rachna Dental College, Manav Rachna International Institute of Research and Studies, Faridabad, Haryana, India.
Background: The advances in technology have enabled the customization of appliances including mini-screw-assisted rapid palatal expansion (MARPE) appliances for skeletal expansion in young adult patients. The study assessed the short-term effects of customized MARPE appliances on the hard tissues, soft tissues, and airway volume over a period of 6 months.
Methods: A total of 15 patients in the age range of 15 to 25 years were treated for transverse maxillary deficiency using a three-dimensional (3D) printed customized MARPE appliance.
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