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Researchers move closer to regenerative dentistry with 3D printing

ItemDate=2021-07-22 00:08:25 Status=publish

TopicTaglist=['V7', 'G15', 'H4']

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A team of interdisciplinary researchers at KU Leuven University have taken a step closer to being able to regrow teeth from the root using 3D printing. In their latest study the team investigated the 3D printing of chitosan scaffolds derived from animal and fungal sources which could potentially be used in such regenerative dentistry applications in the future. 3D printing and regenerative medicine The role of 3D printing within regenerative medicine is very much still in its nascent stage although there have been several promising developments in this area recently. Starting with human tissue bioprinting breakthroughs scientists from the University of Buffalo have developed a rapid new 3D bioprinting method slated to bring fully-printed human organs closer to reality while researchers from Lund University have developed a new 3D printable bioink derived from seaweed and lung tissue that can be used to print constructs resembling human-sized airways capable of supporting cell and blood vessel growth. 3D printer OEM 3D Systems also recently announced a breakthrough in its Print to Perfusion bioprinting platform which is now able to rapidly produce full-size vascularized lung scaffolds. Most recently Penn State researchers unveiled a 3D bioprinting process capable of printing hard and soft tissue simultaneously to repair skin and bone injuries in a single procedure. Despite sizeable strides taken in 3D printing for dental applications such as customized aligners permanent crowns and dental implants regenerative medicine developments for dental applications have seen less focus. 3D printing the chitosan scaffolds The chitosan-based scaffolds were prepared via an emulsion freeze-drying technique which involved the design of suitably-sized molds using CAD software and which were then printed using a polyjet 3D printer. While basic molds were printed this time around 3D printing allows for the design and production of patient and tooth-specific molds and therefore

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