主题词：Dental materials and restorations; Additive Manufacturing and 3D Printing Technologies; Dental Implant Techniques and Outcomes; Natural Fiber Reinforced Composites; Material Properties and Applications; Bone Tissue Engineering Materials; biodegradable polymer synthesis and properties; Manufacturing Process and Optimization; Tribology and Wear Analysis; Mechanical Behavior of Composites; Orthopaedic implants and arthroplasty; Dental Erosion and Treatment; Human auditory perception and evaluation; Polymer Nanocomposites and Properties; Legal case studies and regulations; Mechanical and Thermal Properties Analysis; Diverse Scientific and Economic Studies; Microplastics and Plastic Pollution; Innovations in Concrete and Construction Materials; Engineering Technology and Methodologies; Endodontics and Root Canal Treatments; Epoxy Resin Curing Processes; Dental Research and COVID-19; Innovative concrete reinforcement materials; Hydrogels: synthesis, properties, applications